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  • 1
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    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24627 | 19325 | 2018-05-22 06:26:49 | 24627 | Fisheries Society of Nigeria
    Publikationsdatum: 2021-07-15
    Beschreibung: The 2661 specimens of the striped mullet, Mugil cephalus L. used for this study, were collected from high brackish lagoon in southwest Nigeria for 24 months. The size of the 2661 specimens of M. cephalus used for this study ranged from 1.7- 29.5cm standard length (total lenght 1.9 to 39.0cm). The sex ratio for M. cephalus was 1:0.53 and this showed a statistically significant (p〈0.05) dominance of the male over the females for the size range. The fecundity estimates varied from 635,568- 1,520,185 and was positively correlated to the fish and weight. Oocyte diameter averaged 409.64 ~c 40.67pm and this is indicative of an early stage of gonad maturation of the specimens in the lagoon before final spawning occurred. The GSI indicated that spawning activity occurred from December to May in the open ocean.
    Beschreibung: Includes: 28 references.
    Schlagwort(e): Ecology ; Fisheries ; Mugil cephalus ; ASE ; Nigeria ; Lagos Lagoon ; Mature ; Spawning ; Specimen ; Male ; Female ; brackishwater environment ; automation
    Repository-Name: AquaDocs
    Materialart: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 241-246
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Journal of molecular evolution 19 (1983), S. 214-218 
    ISSN: 1432-1432
    Schlagwort(e): Codon: anticodon adaptation ; Mutation ; Selection
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Synonymous codon usage frequencies, derived from cDNA clone sequences, were compared for several sets of vertebrate genes. Gene sets as diverse as those expressed in avian skeletal muscle and in mammalian liver showed similar patterns of synonymous codon usage. There were no significant differences suggesting tissue-specific co-adaptation of codon usage patterns and tRNA anticodon profiles. The results indicate a consensus codon usage pattern for vertebrate genes which is largely independent of taxonomic class, tissue of expression, and the cellular fate and rate of evolution of the encoded proteins. Certain elements of the consensus codon usage pattern indicate that it is the product of natural selection and not simply a mutational equilibrium among phenotypically equivalent synonyms.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    ISSN: 1423-0127
    Schlagwort(e): AIDS ; Resistance ; Mutation ; Genotype ; Zidovudine ; Fitness
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Mutation L210W of HIV-1 reverse transcriptase (RT) is one of the six main mutations that confer in vivo resistance to zidovudine. Surprisingly, this mutation has received scant appraisal and its contribution to the genotypic resistance to nucleoside analogs is not well understood. The aim of this study was: (1) to study the frequency of mutation L210W in a large collection of HIV-1 sequences (2,049 samples, including 395 DNA and 1,654 RNA sequences) from patients receiving combination therapy, and (2) to analyze its association with the other mutations that confer resistance to zidovudine. A mutation at codon 210 (mainly L210W) was found in 647 (32%) of the 2,049 sequences analyzed. Only 43 (〈7%) of these 647 genomes were also mutated at codon 70 (p 〈 10−5). In contrast, 98% of these 647 sequences were also mutated at codon 215 (essentially T215Y/F), and 94% at codon 41 (mainly M41L). These data showing a close association between L210W, T215Y/F, and M41L, and a mutual exclusion between K70R and L210W, were confirmed by analyzing the sequences stored in the HIV-1 sequences available through the Stanford HIV RT and Protease Database. Follow-up studies demonstrated that L210W appeared always after T215Y/F. This observation is consistent with crystallographic studies which suggested that the aromatic side chain of Trp 210 could stabilize the interaction of Phe/Tyr215 with the dNTP-binding pocket. This molecular cross-talk between amino acid chains occurs nearby the conserved Asp113 residue. Since the lateral chain of Arg70 may also interact with Asp113, this is likely to create a sterical hindrance around this residue. Thus, the R→K reversion of codon 70 may represent a compensatory mechanism allowing a functional rearrangement of the dNTP-binding pocket in the mutated RT.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    ISSN: 1432-1211
    Schlagwort(e): Key words Amerindians ; Chileans ; HLA-A*6816 ; Mutation ; Gene conversion
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Springer
    Planta 133 (1976), S. 89-93 
    ISSN: 1432-2048
    Schlagwort(e): Zea mays ; Inflorescences ; Male ; Female ; Sterols
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract A comparison has been made between the sterols of male and female inflorescences and of pollen from Zea mays. The female inflorescence was shown to contain cholesterol, 24-methylcholesterol, 24-ethyl-5,22-cholestadien-3β-ol, 24-ethylcholesterol and (28Z)-24-ethylidenecholesterol. Themale inflorescence contained the same five compounds together with 24-methylenecholesterol. Pollen contained 24-methylenecholesterol as its main sterol together with lesser amounts of cholesterol, 24-ethylcholesterol, (28Z)-24-ethylidenecholesterol, 24-methylene-5α-cholest-7-en-3β-ol and 4α-methyl-24-methylene-5α-cholest-7-en-3β-ol.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Springer
    Environmental management 8 (1984), S. 309-324 
    ISSN: 1432-1009
    Schlagwort(e): Animals ; Indicators ; Air pollution ; Ecosystem responses
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Energietechnik
    Notizen: Abstract With existing and proposed air-quality regulations, ecological disasters resulting from air emissions such as those observed at Copperhill, Tennessee, and Sudbury, Ontario, are unlikely. Current air-quality standards, however, may not protect ecosystems from subacute and chronic exposure to air emissions. The encouragement of the use of coal for energy production and the development of the fossil-fuel industries, including oil shales, tar sands, and coal liquification, point to an increase and spread of fossil-fuel emissions and the potential to influence a number of natural ecosystems. This paper reviews the reported responses of ecosystems to air-borne pollutants and discusses the use of animals as indicators of ecosystem responses to these pollutants. Animal species and populations can act as important indicators of biotic and abiotic responses of aquatic and terrestrial ecosystems. These responses can indicate long-term trends in ecosystem health and productivity, chemical cycling, genetics, and regulation. For short-term trends, fish and wildlife also serve as monitors of changes in community structure, signaling food-web contamination, as well as providing a measure of ecosystem vitality. Information is presented to show not only the importance of animals as indicators of ecosystem responses to air-quality degradation, but also their value as air-pollution indices, that is, as air-quality-related values (AQRV), required in current air-pollution regulation.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    ISSN: 1432-0983
    Schlagwort(e): Thymidylate auxotrophy ; Mutation ; Recombination
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary A diploid yeast thymidylate auxotroph was grown under conditions of thymidylate stress ranging from depletion to excess levels of the nucleotide. High concentrations of thymidylate were mutagenic and recombinagenic whereas starvation for thymine nucleotides was recombinagenic and only slightly mutagenic. These results are discussed in relation to possible mutagenic and recombinagenic mechanisms of nucleotide pool imbalances.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    Springer
    Archives of microbiology 117 (1978), S. 221-226 
    ISSN: 1432-072X
    Schlagwort(e): Nematophagous fungus ; Giant functional traps ; Mutation ; Development
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Mutagenesis with nitrosoguanidine yielded two classes of ring trap mutants in the predacious HyphomyceteDactylella brochopaga: strains which could make no traps and those with a proportion of giant, functional traps. A third strain, derived from a trapless strain made abnormally small functional traps. The giant traps are described, together with developmental abnormalities they sometimes display. The characteristics of the chief mutant strains are discussed.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    Springer
    Archives of microbiology 124 (1980), S. 143-148 
    ISSN: 1432-072X
    Schlagwort(e): Anacystis ; Blue-green algae ; Cyanobacteria ; Mutation ; Pigments ; Red light ; Synecaococcus
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Under far-red (〉650 nm) illumination Anacystis nidulans grows poorly and develops a low chlorophyll content. During continued culture over many generations there are increases in growth rate and in the chlorophyll/phycocyanin ratio, usually occurring in concomitant and stepwise fashion. From such selection cultures six clones have been established which differ from the parent in pigment content and show improved growth rate in far-red light. From the evidence at hand the six clones are presumed to be spontaneous mutants selected under the photosynthetically restrictive condition of far-red illumination.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Digitale Medien
    Digitale Medien
    Springer
    Archives of microbiology 111 (1976), S. 195-196 
    ISSN: 1432-072X
    Schlagwort(e): Mutation ; Blue-green alga ; Anabaenopsis raciborskii ; Gas vacuole ; Nitrogen fixation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract From a bloom forming blue-green alga, Anabaenopsis raciborskii, spontaneous mutants, which had lost the ability to form gas vacuoles have been isolated; the mutant frequency was 4.8×10-3. The filaments of gas vacuole-less mutants settled at the bottom of flasks in liquid culture media unlike the parent alga. The growth and nitrogen fixation were comparatively poor in the mutants.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 11
    Digitale Medien
    Digitale Medien
    Springer
    Planta 134 (1977), S. 115-117 
    ISSN: 1432-2048
    Schlagwort(e): Female ; Flowers ; Male ; Meiosis ; Sterols
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Sterols of male and female flowers of Cucumis sativus L. were similar in composition. The principal compound was 24ξ-ethyl-5α-cholesta-7,22-dien-3β-ol. Five other 5α-Δ7 were detected: 24ξ-methyl-7-ene, 24ξ-ethyl-7-ene, 24-ethyl-7,24(28)Z-diene, 24ξ-ethyl-7,25-diene and 24ξ-ethyl-7,22,25-triene. Small amounts of Δ5 (cholesterol, 24ξ-methylcholesterol and 24ξ-ethylcholesterol) were detected. The possible significance of these sterols is discussed.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 12
    Digitale Medien
    Digitale Medien
    Springer
    Journal of mathematical biology 12 (1981), S. 355-362 
    ISSN: 1432-1416
    Schlagwort(e): Branching process ; Mutation ; Extinction ; Progeny size
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Mathematik
    Notizen: Abstract A branching process method is employed to study the survival probability of a slightly advantageous mutant gene with a general distribution of progeny size in a large population. A counter-example to a classic proposition is given. A somewhat weaker result is proved.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 13
    Digitale Medien
    Digitale Medien
    Springer
    Journal of mathematical biology 13 (1981), S. 95-104 
    ISSN: 1432-1416
    Schlagwort(e): Stochastic migration ; Island model ; Mutation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Mathematik
    Notizen: Abstract Recurrence relations are derived for stochastic migration in the island model with a finite number of subpopulations. Two models are considered, one involving a constant probability that each individual breeding in a given colony has migrated from another, the other assuming the exchange of fixed numbers of migrants between colonies each generation. The equilibrium solutions are expressed in terms of two measures of genetic differentiation among subpopulations, one similar to Nei's measure of genetic distance, and the other closely related to the coefficient of kinship. Both measures are shown to be necessary for a complete description of population structure. The predictions of the models of stochastic migration are compared with the corresponding classical model of deterministic migration.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 14
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical and applied genetics 67 (1984), S. 469-473 
    ISSN: 1432-2242
    Schlagwort(e): Maize ; Pollen anther ; Esterase ; Male ; sterility ; Restorer genes
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary During anther development, characterized in maize plants with N cytoplasm, certain esterase isozymes in non-microspore cells decrease in amount with anther age and new isozymes appear in the developing microspores. In anthers from male sterile plants with cms T or cms C cytoplasm, neither of these changes in esterase patterns occurred. In anthers from plants with cms S cytoplasm, the decrease in the esterases of non-microsporogenous cells was observed but not the appearance of microspore esterases. In lines carrying cms S cytoplasm and nuclear restorer genes, esterase changes during anther development were as in normal fertile anthers. These results are discussed with respect to the phenomenon of cytoplasmic male sterility in the different maize genotypes.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 15
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical and applied genetics 65 (1983), S. 41-46 
    ISSN: 1432-2242
    Schlagwort(e): Triticum aestivum ; Wheat ; Protein ; Mutation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Poor adaptability or functional quality of much germplasm used for breeding high-protein hard red winter wheats prompted mutagenesis as an alternative means of increasing grain protein content. Four hard red winter wheat genotypes — KS644 (‘Triumph// Concho/Triumph’), ‘Kaw’, ‘Parker’, and ‘Shawnee’ — were treated with 0.40 M ethyl methanesulfonate (EMS). Advanced lines (M8-M10) were selected that had a 3-year mean grain protein advantage of 0.7% to 2.0% over controls. Increased grain protein content was generally associated with decreased grain yield and kernel weight, but some high-protein mutant lines had yields or kernel weights similar to those of original genotypes. Changes in height and lodging induced by EMS were generally favorable, most mutants being shorter and lodging less than controls, but blooming date was generally delayed, a deleterious change. One line also changed from resistant to segregating for wheat soil-borne mosaic virus. Mutant lines might be utilized in cross-breeding programs, particularly if negative pleiotropic effects and linkages are absent.
    Materialart: Digitale Medien
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  • 16
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical and applied genetics 65 (1983), S. 225-230 
    ISSN: 1432-2242
    Schlagwort(e): Tissue culture ; Mutation ; Sequential mutations ; Rice ; Oryza sativa L.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Four mutations for early heading, albina, short culm and sterility were obtained in the progenies of twelve rice plants regenerated from a single callus of a rice seed. Studies on the segregation rates of these mutations revealed that for each mutation a single recessive gene was likely to be involved and that there was no linkage among the genes. The segregation pattern also showed that these mutations were induced in the following sequence: early heading, albina, and short culm and sterility during the stage of callus growth until the beginning of the regeneration of the rice plants.
    Materialart: Digitale Medien
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  • 17
    ISSN: 1432-2242
    Schlagwort(e): Mutation ; Normalizing-selection ; Lethal-equivalence ; Genetic-load ; Neutral-theory
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Through a series of genetic load studies made on 1) samples of Drosophila willistoni from two sites in Mesitas, Colombia, it was found that the relative contributions to the total, subvital and lethal loads reflect lethal equivalences (B/A) ratios which support more the balancing theory of population structure than the neutralist theory. Moreover, measurements of population size have revealed the existance of very small demes in local populations. Under such conditions we have calculated extremely small lethal equivalence ratios in demes where probably a great deal of consanguinity takes place. We are aware that under these conditions B/A ratios cannot be very good monitors of random load measurements and, therefore, suggest a change in the mathematical formulation that take into consideration the existance of small populations. Furthermore, it appears plausible that the degree of penetrance in the heterozygous condition changes as the population structure changes. We speculate that natural populations may have unknown selective mechanisms capable of guiding unknown dominance modifiers according to the intensity of selection.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 18
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical and applied genetics 62 (1982), S. 321-324 
    ISSN: 1432-2242
    Schlagwort(e): Interchange ; Chromosome polymorphism ; Mutation ; Selection ; Equilibrium ; Rye
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary A persistent chromosomal polymorphism exists in a population of cultivated rye, Secale cereale (Candela et al. 1979). In order to ascertain the possible causes that maintain it, we have estimated the fitness values of structurally homozygous and heterozygous plants and the mutation rate of spontaneous interchange. The estimates of the selection coefficient against heterozygotes (s=0.15-0.40) and of the mutation rate u=6.12×10−2 support a mutation-selection equilibrium as a likely cause of the interchange chromosome polymorphism.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 19
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical and applied genetics 67 (1984), S. 203-205 
    ISSN: 1432-2242
    Schlagwort(e): Ethyl methanesulphonate ; Mutation ; Myo-inositol ; Nicotiana tabacum, tobacco
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Tobacco seeds treated with ethyl methanesulphonate produces mutations as well as physiological growth debility. The addition of myo-inositol to seeds undergoing mutagenic treatment stimulated growth and increased survival of subsequent plants with negligible effect on the mutation frequency.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 20
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical and applied genetics 53 (1978), S. 181-190 
    ISSN: 1432-2242
    Schlagwort(e): Pisum sativum ; Seed protein content ; Mutation ; Genotype-year-interaction
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Seventeen X-ray and neutron induced mutants of the commercial variety ‘Dippes gelbe Victoria’ were analyzed with regard to their seed protein percentage. The interaction of genotypic and year effects in 1975 (normal weather conditions) and 1976 (extremely hot and dry) was also taken into consideration. To avoid undiscoverable environmental bias, the plants were grown in a nonstandard three-dimensional layout. Biometric analysis was done by using the theory of the general linear model with a formula-processing computer program. In the first year, significant genetically caused differences were found in the material. The bifurcated mutant 157A was especially of considerable interest because an improved protein content was combined with relative good yield. In the second year, no significant differences between the mutants were revealed, but all genotypes showed a similar good protein value of about 27%.
    Materialart: Digitale Medien
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  • 21
    ISSN: 1432-0878
    Schlagwort(e): Hypophysis ; Rostral pars distalis ; Mugil platanus ; Animals ; Prolactin hormone secretion
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary The rostral pars distalis (RPD) of the teleost Mugil platanus from animals pretreated with reserpine or 6-hydroxydopamine (6-HODA) were assayed for dopamine (DA) or noradrenaline (NA) or for prolactin hormone. Such determinations were coupled with electron microscopy. It was found that reserpine and 6-HODA produced a significant decrease in the content of DA, NA, and prolactin. Electron microscope studies revealed that prolactin cells became activated as judged by ultrastructural criteria. After 6-HODA treatment type “B” neurosecretory fibers entering the RPD became selectively destroyed. These observations lead us to suggest that prolactin secretion is under inhibitory control by type “B” neurosecretory fibers of adrenergic nature.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 22
    Digitale Medien
    Digitale Medien
    Springer
    Russian journal of marine biology 26 (2000), S. 432-438 
    ISSN: 1608-3377
    Schlagwort(e): Mutation ; phylogeny ; nuclear DNA ; mitochondrial DNA ; salmonid fishes ; divergence time
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Mutation rates of the mitochondrial and nuclear genomes of salmonid fishes were assessed on the basis of a phylogenetic study of 12 species representing four genera of the family Salmonidae. Analysis of the extent of divergence of the masu salmon Oncorhynchus masou and the Pacific trout Parasalmo suggests a high rate of mtDNA mutation in the masu salmon. However, the nuclear genome in this species has mutated relatively slowly. For the other 5 species of Pacific salmon, no discrepancy was found in the mutation rates of mitochondrial and nuclear DNA. Values of the absolute time of divergence of taxa, calculated for the two independently inherited parts of the salmonid genome, were approximately within the same range and coincided with those based on evolutionary hypotheses [1, 21].
    Materialart: Digitale Medien
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  • 23
    ISSN: 1617-4623
    Schlagwort(e): Key wordsDrosophila ; Cytogenetic region 44D-45B ; EMS mutagenesis ; Mutation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract We have performed an F2 genetic screen to identify lethal mutations that map to the 44D-45B region of the Drosophila melanogaster genome. By screening 8500 mutagenized chromosomes for lethality over Df(2R)Np3, a deficiency which encompasses nearly 1% of the D. melanogaster euchromatic genome, we recovered 125 lines with lethal mutations that represent 38 complementation groups. The lethal mutations have been mapped to deficiencies that span the 44D-45B region, producing an approximate map position for each complementation group. Lethal mutations were analyzed to determine the phase of development at which lethality occurred. In addition, we have linked some of the complementation groups to P element-induced lethals that map to 44D-45B, thus possibly providing new alleles of a previously tagged gene. Some of the complementation groups represent potentially novel alleles of previously identified genes that map to the region. Several genes have been mapped by molecular means to the 44D-45B region, but do not have any reported mutant alleles. This screen may have uncovered mutant alleles of these genes. The results of complementation tests with previously identified genes in 44D-45B suggests that over half of the complementation groups identified in this screen may be novel.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 24
    Digitale Medien
    Digitale Medien
    Springer
    Plant and soil 82 (1984), S. 427-438 
    ISSN: 1573-5036
    Schlagwort(e): Mutant ; Mutation ; Nitrate ; Nitrate reductase ; Nodulation ; Pisum sativum L. ; Rhizobium leguminosarum
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary In pea (Pisum sativum L.), mutants could be induced, modified in the symbiotic interaction withRhizobium leguminosarum. Among 250 M2-families, two nodulation resistant mutants (K5 and K9) were obtained. In mutant K5 the nodulation resistance was monogenic recessive and not Rhizobium strain specific. Out of 220 M2-families one mutant nod3 was found which could form nodules at high nitrate concentrations (15 mM KNO3). This mutant nodulated abundantly with severalRhizobium strains, both in the absence and presence of nitrate. Probably as the result of a pleiotropic effect, its root morphology was also changed. Among 1800 M2-families, five nitrate reductase deficient mutants were obtained and one of them (mutant E1) was used to study the inhibitory effect of nitrate on nodulation and nitrogen fixation. The results of the present investigation show that pea mutants which are modified in their symbiosis withRhizobium leguminosarum, can readily be obtained. The significance of such mutants for fundamental studies of the legume-Rhizobium symbiosis and for applications in plant breeding is discussed.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 25
    ISSN: 1435-232X
    Schlagwort(e): Key words Marfan syndrome ; FBN1 ; Fibrillin-1 ; Japanese ; Mutation ; Gene
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Marfan syndrome (MFS; MIM #154700) is a connective tissue disorder characterized by cardiovascular, skeletal, and ocular abnormalities. The fibrillin-1 gene (FBN1; MIM no. 134797) on chromosome 15 was revealed to be the cause of Marfan syndrome. To date over 137 types of FBN1 mutations have been reported. In this study, two novel mutations and a recurrent de-novo mutation were identified in patients with MFS by means of single-strand conformational polymorphism (SSCP) analysis. The two novel mutations are a 4-bp deletion at nucleotide 2820-2823 and a G-to-T transversion at nucleotide 1421 (C474F), located on exon 23 and exon 11, respectively. A previously reported mutation at the splicing donor site of intron 2 (IVS2 G + 1A), which is predicted to cause exon skipping, was identified in a sporadic patient with classical MFS.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 26
    ISSN: 1435-232X
    Schlagwort(e): Key words Fanconi anemia ; Mutation ; the FANCA gene ; the FANCC gene ; the FANCG gene ; Alternative splicing
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Fanconi anemia (FA), an autosomal recessive disorder characterized by a progressive pancytopenia associated with congenital anomalies and high predisposition to malignancies, is a genetically and clinically heterogeneous disease. At least eight complementation groups (FA-A to FA-H) have been identified. Previously, we studied mutations of the FANCA gene, responsible for FA-A, and found pathogenic mutations in 12 of 15 unclassified Japanese FA patients. Here, we further studied an additional 5 FA patients for sequence alterations of the FANCA gene and found pathogenic mutations in 2 of them. We further analyzed mutations of the FANCC and FANCG genes, responsible for FA-C and FA-G, respectively, in the remaining 6 FA patients. Although there was no alterations in the FANCC gene in these 6 patients, two novel mutations of the FANCG gene, causing aberrant RNA splicing, were detected in 2 FA patients. One was a base substitution from G to C of the invariant GT dinucleotides at the splice donor site of intron 3, resulting in the skipping of exon 3, as well as the skipping of exons 3 and 4. The other was a base substitution from C to T in exon 8, creating a nonsense codon (Q356X). This mutation resulted in the exclusion of a sequence of 18 nucleotides containing the mutation from the mRNA, without affecting the splicing potential of either the authentic or the cryptic splice donor site. Collectively, 14 of the 20 unclassified Japanese FA patients belong to the FA-A group, 2 belong to the FA-G group, and none belongs to the FA-C group.
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  • 27
    ISSN: 1435-232X
    Schlagwort(e): Key words Menkes disease ; ATP7A gene ; MNK gene ; Mutation ; Polymorphism
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Menkes disease is an X-linked recessive disorder of the copper membrane transport system caused by mutations in the ATP7A gene. While various mutations in the ATP7A gene have been reported, a genotype-phenotype correlation has not been clearly defined. A novel mutation in the ATP7A gene in a Japanese patient with classical Menkes disease was identified via analysis of reverse-transcriptase polymerase chain reaction products and genomic DNA of the ATP7A gene. The nonsense mutation, L718X, was found to result in premature termination and immature ATP7A protein, unlikely to have normal functioning. Therefore, this nonsense mutation of the ATP7A gene is proposed to play a causative role in presenting the classical Menkes phenotype. Furthermore, four novel polymorphisms, C1535T (L464L), C2151T (T669I), G2253A (R703H), and C3677T (H1178Y) were also identified.
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  • 28
    ISSN: 1435-232X
    Schlagwort(e): Key words Holocarboxylase synthetase ; Multiple carboxylase deficiency ; Biotin ; Mutation ; Microsatellite markers ; Haplotype
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Holocarboxylase synthetase (HCS) deficiency is a rare autosomal recessive disorder of biotin metabolism. Including three new Japanese patients we diagnosed in this study, ten Japanese families have, so far, been accumulated. In these families, the mutations 237Leu 〉 Pro (sevenalleles) and 1067delG (five alleles) were predominant; 508Arg 〉 Trp and 550Val 〉 Met mutations were identified in three families in the heterozygous form and in one patient in the homozygous form, respectively. To determine the origin of these mutations, we identified new polymorphic microsatellite markers in the HCS gene and analyzed the haplotypes of the patients. All the 237Leu 〉 Pro and the 1067delG alleles were associated with haplotype 2-2. This finding is consistent with the notion that these mutations are founder mutations in the Japanese population. Three Japanese 508Arg 〉 Trp alleles were associated with several haplotypes, including 2-3 and 1-4. The haplotype of a Taiwanese patient homozygous for the 508Arg 〉 Trp mutation was 2-3/2-3. The haplotype of one Japanese patient homozygous for the 550Val 〉 Met mutation was 1-4/1-4, whereas that of a Jewish patient with the same homozygous mutation was 2-3/2-3. Both mutations were associated with at least two haplotypes and were found in several ethnic groups. The changes 508Arg 〉 Trp and 550Val 〉 Met occurred at CpG dinucleotide. The data suggest that these two mutations represent a mutational hot-spot.
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  • 29
    ISSN: 1435-232X
    Schlagwort(e): Key words Hot spot ; Mutation ; Neurofibromatosis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract We report a case of neurofibromatosis (NF) 1 presenting as a C-to-T transition changing an Arg-1947 codon to a stop codon. Because this mutation has been described in multiple Caucasian and Japanese families, the codon CGA for Arg-1947 in the NF1 gene is considered to be a hotspot for mutation in neurofibromatosis type 1 in all ethnic groups.
    Materialart: Digitale Medien
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  • 30
    ISSN: 1435-232X
    Schlagwort(e): Key words Glycogen storage disease type Ia ; Glucose-6-phosphatase ; Mutation ; Chinese ; Taiwan
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Glycogen storage disease type Ia (GSD Ia) is caused by a deficiency of glucose-6-phosphatase (G6Pase) activity. Eighteen GSD Ia families were studied for G6Pase gene mutations. Thirty-two mutations were found in 36 GSD Ia chromosomes: 16 were 727 G→T (44.44%); 13 were R83H (327 G→T; 36.11%); 1 was 341delG; 1 was 933insAA; and 1 was 793 G→T. The 727 G→T and R83H mutations together accounted for 80.56% (29/36) of the GSD Ia chromosomes. These two mutations were easily examined by polymerase chain reaction-based methods, and the prenatal diagnosis of a non-affected fetus was successfully made. The 727 G→T mutation is the predominant mutation in Japanese GSD Ia patients, but is rarely seen in Western counties. The 727 G→T mutation is also the most prevalent mutation in Taiwan Chinese, although the incidence is not as high as in Japan.
    Materialart: Digitale Medien
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  • 31
    Digitale Medien
    Digitale Medien
    Springer
    Journal of human genetics 45 (2000), S. 231-236 
    ISSN: 1435-232X
    Schlagwort(e): Key words Rett syndrome ; Mental retardation ; MECP2 gene ; Methyl-CpG-binding protein ; X chromosome dominant ; Mutation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Rett syndrome is a neurodevelopmental disorder observed almost exclusively in girls, and is characterized by autistic tendency, severe mental retardation, stereotyped hand movements, seizures, and acquired microcephaly. Recently, the MECP2 (methyl-CpG-binding protein 2) gene, mapped on chromosome Xq28, was reported to be responsible for Rett syndrome. We performed mutational analysis of the MECP2 gene in 26 Japanese patients with Rett syndrome (who were sporadic cases), and identified disease alleles in 19 patients. The mutations consisted of 12 different types including 3 missense, 3 nonsense, and 6 frameshift mutations. Of these, 8 mutations are novel. Most of these mutations affect the functional domains, methyl-CpG binding domain (MBD), and transcriptional repression domain (TRD), and therefore may critically affect the function of MeCP2. The disease phenotype of patients with mutations in the MBD tended to be more severe than the phenotype of those with mutations in the TRD. We also identified 2 types of silent mutations and 4 types of missense mutations as benign variants, and these are all novel ones. Most of the nucleotide substitutions involve C → T transitions at CpG hotspots. The novel disease alleles and benign variants of the MECP2 gene found in this study should contribute to the establishment of a reliable diagnosis of Rett syndrome.
    Materialart: Digitale Medien
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  • 32
    ISSN: 1435-232X
    Schlagwort(e): Key words Wilson disease ; ATP7B gene ; Mutation ; Polymorphism ; Japanese
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Wilson disease (WD) is an autosomal recessive disorder characterized by copper accumulation in the liver, brain, kidneys, and corneas, and culminating in copper toxication in these organs. In this study, we analyzed mutations of the responsible gene, ATP7B, in four Japanese patients with WD. By direct sequencing, we identified five mutations, of which two were novel, and 16 polymorphisms, of which 6 were novel. The mutations 2871delC and 2513delA shift the reading frame so that truncated abnormal protein is expected. In contrast to these mutations found in patients with hepatic-type of early onset, the mutations A874V, R778L, and 3892delGTC were either missense mutations or inframe 1-amino acid deletion, and occurred in the patients with hepato-neurologic type of late onset. The mutations 2871delC and R778L have been previously reported in a relatively large number of Japanese patients. In particular, R778L is known to be more prevalent in Asian countries than in other countries of the world. Our data are compatible with the hypothesis that the mutations tend to occur in a population-specific manner. Therefore, the accumulation of the types of mutations in Japanese patients with WD will facilitate the fast and effective genetic diagnosis of WD in Japanese patients.
    Materialart: Digitale Medien
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  • 33
    Digitale Medien
    Digitale Medien
    Springer
    Journal of human genetics 45 (2000), S. 102-104 
    ISSN: 1435-232X
    Schlagwort(e): Key words PEPD ; Prolidase deficiency ; Mutation ; Polymorphism ; Nonsense mutation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract A nonsense mutation at amino acid residue 184 in the human peptidase D (PEPD) gene caused the production of a truncated polypeptide. Characterizing molecular defects in patients provides clues to elucidate the relationship between the phenotype and the genotype.
    Materialart: Digitale Medien
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  • 34
    ISSN: 1435-232X
    Schlagwort(e): Key words Kallmann syndrome ; KAL1 ; Mutation ; Anosmia ; Hypogonadism
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract We identified a novel interstitial deletion that spanned from exons 5 to 10 of KAL1 in two Japanese brothers with X-linked Kallmann syndrome (KS; MIM no. 308700). Both brothers had hypogonadism, unilateral renal agenesis, and disturbance of the sense of smell, but they had no other neurological manifestations, including mental disturbance. Their mother was confirmed to be an asymptomatic carrier, by use of a comparative multiplex polymerase chain reaction (PCR) analysis. The present patients are further examples of patients with KS without mental disturbance caused by a mutation confined to KAL1.
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  • 35
    Digitale Medien
    Digitale Medien
    Springer
    Journal of human genetics 45 (2000), S. 351-357 
    ISSN: 1435-232X
    Schlagwort(e): Key wordsBRCA2 ; RNA ; Splice ; Mutation ; Intron ; Cancer
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Biochemical and genetic characterizations that support the conclusion that the variant BRCA2 IVS7 + 2T → G represents a deleterious mutation are presented. RNA analysis from a breast cancer patient with BRCA2 IVS7 + 2T → G showed that the productive message was produced from only one chromosome. A haplotype analysis confirmed that the intronic variant resides on the chromosome that does not produce the normal mRNA. Additionally, an RNA splicing product that deletes exon 7 was produced by the chromosome that carries BRCA2 IVS7 + 2T → G. The deletion of exon 7 from the RNA alters the open reading frame by removing residues 249–287 and incorporating 18 abnormal amino acids before terminating with an opal stop codon. The experimental approach presented produces strong evidence of the presence of a deleterious mutation, because the contribution by both chromosomes to each RNA species analyzed was tracked using a coding region polymorphism as a marker. Furthermore, a single nucleotide polymorphism (SNP) haplotype analysis that confirms the location of the intronic variant and an associated family history that shows a high incidence of cancer supported these biochemical data.
    Materialart: Digitale Medien
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  • 36
    ISSN: 1435-232X
    Schlagwort(e): Key words Metaphyseal chondrodysplasia Schmid type (MCDS) ; Mutation ; Type X collagen gene (COL10A1) ; Carboxyl-terminal noncollagenous (NC1) domain ; Spondylometaphyseal dysplasia (SMD) ; Type X collagenopathy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract Metaphyseal chondrodysplasia of the Schmid type (MCDS) is a skeletal dysplasia affecting the long bone metaphyses; it is characterized by short stature, bowlegs, and coxa vara. The spine is generally not involved. Here we report a novel missense mutation of the type X collagen gene in a sporadic case of MCDS. The mutation was a heterozygous single base-pair transition of G-to-A at nucleotide 1783, which predicted a substitution of glycine by arginine at codon 595 (G595R) in the carboxyl-terminal noncollagenous domain. Interestingly, another mutation of the same codon, in which glycine is substituted by glutamic acid (G595E), was previously reported to cause spondylometaphyseal dysplasia (SMD), another group of skeletal dysplasias with involvement of the spine in addition to the long tubular bones. The novel G595R mutation identified in the present study supports the concept of type X collagenopathy.
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  • 37
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-01-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heller, Richard -- New York, N.Y. -- Science. 2002 Jan 11;295(5553):277.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11789539" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Electroporation ; Genetic Therapy/*methods ; Humans ; Transfection/*methods
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 38
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-09-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, John H -- Elledge, Stephen J -- New York, N.Y. -- Science. 2002 Sep 13;297(5588):1822-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12228708" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; BRCA1 Protein/metabolism ; BRCA2 Protein/*chemistry/*metabolism ; Binding Sites ; Breast Neoplasms/genetics ; Crystallography, X-Ray ; DNA/*metabolism ; DNA Damage ; *DNA Repair ; DNA, Single-Stranded/metabolism ; DNA-Binding Proteins/metabolism ; Female ; Genes, BRCA1 ; Genes, BRCA2 ; Genetic Predisposition to Disease ; Humans ; Mice ; Ovarian Neoplasms/genetics ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Rad51 Recombinase ; Rats ; Recombination, Genetic ; Replication Protein A
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 39
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-07-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2002 Jul 19;297(5580):319-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12130760" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Advisory Committees ; Animal Diseases ; Animal Husbandry ; Animals ; Data Collection ; Disease Outbreaks/prevention & control/*veterinary ; Foot-and-Mouth Disease/epidemiology/*prevention & control ; Foot-and-Mouth Disease Virus/*immunology ; Great Britain/epidemiology ; Vaccination/*veterinary ; Viral Vaccines/*administration & dosage
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 40
    Publikationsdatum: 2002-04-16
    Beschreibung: Natural killer (NK) cells express inhibitory receptors for major histocompatibility complex (MHC) class I antigens, preventing attack against healthy cells. Mouse cytomegalovirus (MCMV) encodes an MHC-like protein (m157) that binds to an inhibitory NK cell receptor in certain MCMV-susceptible mice. In MCMV-resistant mice, this viral protein engages a related activating receptor (Ly49H) and confers host protection. These activating and inhibitory receptors are highly homologous, suggesting the possibility that one evolved from the other in response to selective pressure imposed by the pathogen.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arase, Hisashi -- Mocarski, Edward S -- Campbell, Ann E -- Hill, Ann B -- Lanier, Lewis L -- AI30363/AI/NIAID NIH HHS/ -- CA89294/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2002 May 17;296(5571):1323-6. Epub 2002 Apr 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology and the Cancer Research Institute, University of California San Francisco, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11950999" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): 3T3 Cells ; Animals ; Antigens, Ly/chemistry/genetics/*immunology/metabolism ; Cell Line ; Coculture Techniques ; Disease Susceptibility ; Evolution, Molecular ; Herpesviridae Infections/*immunology ; Histocompatibility Antigens Class I/immunology ; Hybridomas ; Immunity, Innate ; Interferon-gamma/biosynthesis ; Killer Cells, Natural/*immunology ; Lectins, C-Type ; Ligands ; Lymphocyte Activation ; Membrane Glycoproteins/chemistry/genetics/*immunology/metabolism ; Mice ; Mice, Inbred C57BL ; Mice, Inbred Strains ; Muromegalovirus/genetics/*immunology/metabolism ; NK Cell Lectin-Like Receptor Subfamily A ; Protein Binding ; Receptors, Immunologic/chemistry/genetics/*immunology/metabolism ; Receptors, NK Cell Lectin-Like ; Recombinant Fusion Proteins/metabolism ; Transfection ; Viral Proteins/chemistry/genetics/*immunology/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 41
    Publikationsdatum: 2002-03-23
    Beschreibung: Activity-dependent modulation of synaptic efficacy in the brain contributes to neural circuit development and experience-dependent plasticity. Although glia are affected by activity and ensheathe synapses, their influence on synaptic strength has largely been ignored. Here, we show that a protein produced by glia, tumor necrosis factor alpha (TNFalpha), enhances synaptic efficacy by increasing surface expression of AMPA receptors. Preventing the actions of endogenous TNFalpha has the opposite effects. Thus, the continual presence of TNFalpha is required for preservation of synaptic strength at excitatory synapses. Through its effects on AMPA receptor trafficking, TNFalpha may play roles in synaptic plasticity and modulating responses to neural injury.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beattie, Eric C -- Stellwagen, David -- Morishita, Wade -- Bresnahan, Jacqueline C -- Ha, Byeong Keun -- Von Zastrow, Mark -- Beattie, Michael S -- Malenka, Robert C -- DA00439/DA/NIDA NIH HHS/ -- MH063394/MH/NIMH NIH HHS/ -- NS 31193/NS/NINDS NIH HHS/ -- NS38079/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2002 Mar 22;295(5563):2282-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nancy Pritzker Laboratory, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA 94304, USA. beattie.2@osu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11910117" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antigens, CD/pharmacology ; Astrocytes/*metabolism ; Cells, Cultured ; Culture Media, Conditioned/pharmacology ; Gene Expression Regulation/drug effects ; Hippocampus/cytology/metabolism ; Neuronal Plasticity/drug effects ; Neurons/drug effects/metabolism ; Rats ; Rats, Sprague-Dawley ; Receptors, AMPA/metabolism ; Receptors, Tumor Necrosis Factor ; Receptors, Tumor Necrosis Factor, Type I ; Synapses/drug effects/*metabolism ; Synaptic Transmission/drug effects ; Tumor Necrosis Factor-alpha/antagonists & inhibitors/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 42
    Publikationsdatum: 2002-10-05
    Beschreibung: The detection of single-nucleotide polymorphisms in pathogenic microorganisms has normally been carried out by trial and error. Here we show that DNA hybridization with high-density oligonucleotide arrays provides rapid and convenient detection of single-nucleotide polymorphisms in Plasmodium falciparum, despite its exceptionally high adenine-thymine (AT) content (82%). A disproportionate number of polymorphisms are found in genes encoding proteins associated with the cell membrane. These genes are targets for only 22% of the oligonucleotide probes but account for 69% of the polymorphisms. Genetic variation is also enriched in subtelomeric regions, which account for 22% of the chromosome but 76% of the polymorphisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Volkman, Sarah K -- Hartl, Daniel L -- Wirth, Dyann F -- Nielsen, Kaare M -- Choi, Mehee -- Batalov, Serge -- Zhou, Yingyao -- Plouffe, David -- Le Roch, Karine G -- Abagyan, Ruben -- Winzeler, Elizabeth A -- GM61351/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2002 Oct 4;298(5591):216-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Infectious Diseases, Harvard School of Public Health, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12364807" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Base Sequence ; Chromosomes/genetics ; DNA, Protozoan/genetics ; *Genes, Protozoan ; Genetic Variation ; Genome, Protozoan ; Membrane Proteins/*genetics ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Oligonucleotide Probes ; Plasmodium falciparum/*genetics ; *Polymorphism, Single Nucleotide ; Protozoan Proteins/*genetics ; Sequence Analysis, DNA
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 43
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-10-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- New York, N.Y. -- Science. 2002 Oct 4;298(5591):95.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12364781" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aedes/physiology ; Animals ; Anopheles/physiology ; Culex/physiology ; *Culicidae/physiology ; Environment ; Feeding Behavior ; Female ; *Insect Vectors/physiology ; Male ; Oviposition ; Reproduction ; Sexual Behavior, Animal
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 44
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-10-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- New York, N.Y. -- Science. 2002 Oct 4;298(5591):92-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12364779" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Animals, Genetically Modified ; *Anopheles/genetics/parasitology/physiology ; Behavior, Animal ; Biological Evolution ; *Culicidae/genetics/parasitology/physiology ; Ecology ; Genetics, Population ; Genome ; Humans ; *Insect Vectors/genetics/parasitology/physiology ; Malaria/prevention & control/transmission ; Molecular Biology ; Mosquito Control ; Plasmodium/physiology ; *Research ; Research Support as Topic ; Sequence Analysis, DNA ; Sexual Behavior, Animal
    Print ISSN: 0036-8075
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 45
    Publikationsdatum: 2002-09-28
    Beschreibung: Molecular genetic studies of Drosophila melanogaster have led to profound advances in understanding the regulation of development. Here we report gene expression patterns for nearly one-third of all Drosophila genes during a complete time course of development. Mutations that eliminate eye or germline tissue were used to further analyze tissue-specific gene expression programs. These studies define major characteristics of the transcriptional programs that underlie the life cycle, compare development in males and females, and show that large-scale gene expression data collected from whole animals can be used to identify genes expressed in particular tissues and organs or genes involved in specific biological and biochemical processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arbeitman, Michelle N -- Furlong, Eileen E M -- Imam, Farhad -- Johnson, Eric -- Null, Brian H -- Baker, Bruce S -- Krasnow, Mark A -- Scott, Matthew P -- Davis, Ronald W -- White, Kevin P -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2002 Sep 27;297(5590):2270-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12351791" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Algorithms ; Animals ; Cluster Analysis ; Drosophila Proteins/genetics/physiology ; Drosophila melanogaster/embryology/*genetics/*growth & development ; Embryo, Nonmammalian/physiology ; Female ; *Gene Expression ; Gene Expression Profiling ; Gene Expression Regulation, Developmental ; *Genes, Insect ; Germ Cells/physiology ; Larva/genetics ; Life Cycle Stages/*genetics ; Male ; Oligonucleotide Array Sequence Analysis ; Organ Specificity ; Pupa/genetics ; RNA, Messenger/genetics/metabolism ; Sex Characteristics ; Transcription, Genetic
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  • 46
    Publikationsdatum: 2002-04-06
    Beschreibung: Higher order chromatin structure presents a barrier to the recognition and repair of DNA damage. Double-strand breaks (DSBs) induce histone H2AX phosphorylation, which is associated with the recruitment of repair factors to damaged DNA. To help clarify the physiological role of H2AX, we targeted H2AX in mice. Although H2AX is not essential for irradiation-induced cell-cycle checkpoints, H2AX-/- mice were radiation sensitive, growth retarded, and immune deficient, and mutant males were infertile. These pleiotropic phenotypes were associated with chromosomal instability, repair defects, and impaired recruitment of Nbs1, 53bp1, and Brca1, but not Rad51, to irradiation-induced foci. Thus, H2AX is critical for facilitating the assembly of specific DNA-repair complexes on damaged DNA.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4721576/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4721576/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Celeste, Arkady -- Petersen, Simone -- Romanienko, Peter J -- Fernandez-Capetillo, Oscar -- Chen, Hua Tang -- Sedelnikova, Olga A -- Reina-San-Martin, Bernardo -- Coppola, Vincenzo -- Meffre, Eric -- Difilippantonio, Michael J -- Redon, Christophe -- Pilch, Duane R -- Olaru, Alexandru -- Eckhaus, Michael -- Camerini-Otero, R Daniel -- Tessarollo, Lino -- Livak, Ferenc -- Manova, Katia -- Bonner, William M -- Nussenzweig, Michel C -- Nussenzweig, Andre -- Z99 CA999999/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2002 May 3;296(5569):922-7. Epub 2002 Apr 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Experimental Immunology Branch, National Cancer Institute, NIH, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11934988" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; B-Lymphocytes/immunology/physiology ; Base Sequence ; Cell Aging ; Cell Cycle ; Cells, Cultured ; *Chromosome Aberrations ; DNA Damage ; *DNA Repair ; Female ; Gene Targeting ; Histones/chemistry/*genetics/*physiology ; Immunoglobulin Class Switching ; Infertility, Male/genetics/physiopathology ; Lymphocyte Count ; Male ; Meiosis ; Mice ; Mice, Knockout ; Molecular Sequence Data ; Mutation ; Phosphorylation ; *Recombination, Genetic ; Spermatocytes/physiology ; T-Lymphocytes/immunology/physiology
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  • 47
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-08-10
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lynch, Michael -- New York, N.Y. -- Science. 2002 Aug 9;297(5583):945-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Indiana University, Bloomington, IN 47405, USA. mlynch@bio.indiana.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12169715" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Biological Evolution ; Caenorhabditis elegans/genetics ; Chromosomes/genetics ; Chromosomes, Human/genetics ; *Gene Duplication ; Gene Rearrangement ; Gene Silencing ; *Genes, Duplicate ; *Genome, Human ; Genomics ; Humans ; Mutation ; Selection, Genetic
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 48
    Publikationsdatum: 2002-06-22
    Beschreibung: Positive-strand RNA viruses such as poliovirus replicate their genomes on intracellular membranes of their eukaryotic hosts. Electron microscopy has revealed that purified poliovirus RNA-dependent RNA polymerase forms planar and tubular oligomeric arrays. The structural integrity of these arrays correlates with cooperative RNA binding and RNA elongation and is sensitive to mutations that disrupt intermolecular contacts predicted by the polymerase structure. Membranous vesicles isolated from poliovirus-infected cells contain structures consistent with the presence of two-dimensional polymerase arrays on their surfaces during infection. Therefore, host cytoplasmic membranes may function as physical foundations for two-dimensional polymerase arrays, conferring the advantages of surface catalysis to viral RNA replication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lyle, John M -- Bullitt, Esther -- Bienz, Kurt -- Kirkegaard, Karla -- AI-42119/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2002 Jun 21;296(5576):2218-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12077417" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Base Sequence ; Binding Sites ; Catalysis ; Crystallography, X-Ray ; HeLa Cells ; Humans ; Hydrogen-Ion Concentration ; Inclusion Bodies, Viral/metabolism/ultrastructure ; Microscopy, Electron ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Nucleic Acid Conformation ; Poliovirus/*enzymology/physiology ; Protein Conformation ; Protein Structure, Quaternary ; Protein Structure, Tertiary ; RNA Replicase/*chemistry/isolation & purification/*metabolism/ultrastructure ; RNA, Viral/biosynthesis/*metabolism ; Viral Core Proteins/metabolism ; Virus Replication
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  • 49
    Publikationsdatum: 2002-07-13
    Beschreibung: Full-length poliovirus complementary DNA (cDNA) was synthesized by assembling oligonucleotides of plus and minus strand polarity. The synthetic poliovirus cDNA was transcribed by RNA polymerase into viral RNA, which translated and replicated in a cell-free extract, resulting in the de novo synthesis of infectious poliovirus. Experiments in tissue culture using neutralizing antibodies and CD155 receptor-specific antibodies and neurovirulence tests in CD155 transgenic mice confirmed that the synthetic virus had biochemical and pathogenic characteristics of poliovirus. Our results show that it is possible to synthesize an infectious agent by in vitro chemical-biochemical means solely by following instructions from a written sequence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cello, Jeronimo -- Paul, Aniko V -- Wimmer, Eckard -- New York, N.Y. -- Science. 2002 Aug 9;297(5583):1016-8. Epub 2002 Jul 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics and Microbiology, School of Medicine, State University of New York at Stony Brook, Stony Brook, NY 11794-5222, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12114528" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antibodies, Monoclonal/immunology ; Capsid/metabolism ; Cell-Free System ; DNA, Complementary/*chemical synthesis/genetics ; DNA-Directed RNA Polymerases/genetics ; Female ; *Genome, Viral ; HeLa Cells ; Humans ; Male ; *Membrane Proteins ; Mice ; Mice, Transgenic ; Neutralization Tests ; Poliomyelitis/virology ; *Poliovirus/genetics/immunology/pathogenicity/physiology ; Promoter Regions, Genetic ; Protein Biosynthesis ; RNA, Viral/*chemical synthesis/genetics/physiology ; Receptors, Virus/genetics/immunology/metabolism ; Transcription, Genetic ; Viral Plaque Assay ; Viral Proteins ; Virulence ; Virus Replication
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  • 50
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-01-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moffat, Anne Simon -- New York, N.Y. -- Science. 2002 Jan 25;295(5555):613-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11809953" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Biological Evolution ; *Color Perception ; Feeding Behavior ; Female ; *Fossils ; Haplorhini ; Male ; Plant Leaves ; *Primates/anatomy & histology ; Skeleton
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  • 51
    Publikationsdatum: 2002-11-02
    Beschreibung: The interaction of climate and the timing of low tides along the West Coast of the United States creates a complex mosaic of thermal environments, in which northern sites can be more thermally stressful than southern sites. Thus, climate change may not lead to a poleward shift in the distribution of intertidal organisms, as has been proposed, but instead will likely cause localized extinctions at a series of "hot spots." Patterns of exposure to extreme climatic conditions are temporally variable, and tidal predictions suggest that in the next 3 to 5 years "hot spots" are likely to appear at several northern sites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Helmuth, Brian -- Harley, Christopher D G -- Halpin, Patricia M -- O'Donnell, Michael -- Hofmann, Gretchen E -- Blanchette, Carol A -- New York, N.Y. -- Science. 2002 Nov 1;298(5595):1015-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of South Carolina, Department of Biological Sciences and Marine Sciences Program, Columbia, SC 29208, USA. helmuth@biol.sc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12411702" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Bivalvia/*physiology ; *Body Temperature ; *Climate ; *Ecosystem ; Environment ; Geography ; Pacific Ocean ; Pacific States ; Seasons ; *Seawater ; Temperature ; *Water Movements
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  • 52
    Publikationsdatum: 2002-05-04
    Beschreibung: There is a relation between stress and alcohol drinking. We show that the corticotropin-releasing hormone (CRH) system that mediates endocrine and behavioral responses to stress plays a role in the control of long-term alcohol drinking. In mice lacking a functional CRH1 receptor, stress leads to enhanced and progressively increasing alcohol intake. The effect of repeated stress on alcohol drinking behavior appeared with a delay and persisted throughout life. It was associated with an up-regulation of the N-methyl-d-aspartate receptor subunit NR2B. Alterations in the CRH1 receptor gene and adaptional changes in NR2B subunits may constitute a genetic risk factor for stress-induced alcohol drinking and alcoholism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sillaber, Inge -- Rammes, Gerhard -- Zimmermann, Stephan -- Mahal, Beatrice -- Zieglgansberger, Walter -- Wurst, Wolfgang -- Holsboer, Florian -- Spanagel, Rainer -- New York, N.Y. -- Science. 2002 May 3;296(5569):931-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute of Psychiatry, Kraepelinstrasse 2-10, 80804 Munich, Germany. sillaber@mpipsykl.mpg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11988580" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Action Potentials ; *Alcohol Drinking ; Alcoholism/*etiology/genetics ; Animals ; Brain/metabolism ; Corticotropin-Releasing Hormone/physiology ; Ethanol/blood ; Female ; Hippocampus/physiology ; In Vitro Techniques ; Male ; Mice ; Mice, Knockout ; Models, Animal ; Mutation ; Receptors, AMPA/metabolism ; Receptors, Corticotropin-Releasing Hormone/*genetics/*physiology ; Receptors, Kainic Acid/metabolism ; Receptors, N-Methyl-D-Aspartate/*metabolism ; Signal Transduction ; Stress, Physiological/physiopathology ; Stress, Psychological/*physiopathology ; Up-Regulation
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  • 53
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-06-18
    Beschreibung: Hundreds of coral species coexist sympatrically on reefs, reproducing in mass-spawning events where hybridization appears common. In the Caribbean, DNA sequence data from all three sympatric Acropora corals show that mass spawning does not erode species barriers. Species A. cervicornis and A. palmata are distinct at two nuclear loci or share ancestral alleles. Morphotypes historically given the name Acropora prolifera are entirely F(1) hybrids of these two species, showing morphologies that depend on which species provides the egg for hybridization. Although selection limits the evolutionary potential of hybrids, F(1) individuals can reproduce asexually and form long-lived, potentially immortal hybrids with unique morphologies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vollmer, Steven V -- Palumbi, Stephen R -- New York, N.Y. -- Science. 2002 Jun 14;296(5575):2023-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA. svollmer@oeb.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12065836" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Bayes Theorem ; *Biological Evolution ; Calmodulin/genetics ; Caribbean Region ; Cnidaria/anatomy & histology/*classification/*genetics/physiology ; Collagen/genetics ; DNA, Mitochondrial/genetics ; *Ecosystem ; Environment ; *Genetic Variation ; Haplotypes ; *Hybridization, Genetic ; Introns ; Likelihood Functions ; Polymorphism, Genetic ; Reproduction ; Reproduction, Asexual ; Sequence Analysis, DNA ; Species Specificity
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  • 54
    Publikationsdatum: 2003-05-10
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brivanlou, Ali H -- Gage, Fred H -- Jaenisch, Rudolf -- Jessell, Thomas -- Melton, Douglas -- Rossant, Janet -- New York, N.Y. -- Science. 2003 May 9;300(5621):913-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rockefeller University, New York, NY 10021, USA. brvnlou@rockefeller.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12738841" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biological Specimen Banks ; Cell Culture Techniques/methods ; Cell Differentiation ; Cell Division ; *Cell Line ; Culture Media ; Culture Media, Conditioned ; Databases, Factual ; *Embryo Research ; Embryo, Mammalian/*cytology ; Humans ; Quality Control ; Registries ; Research/standards ; Signal Transduction ; Stem Cell Transplantation ; *Stem Cells/cytology/physiology ; Transfection
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  • 55
    Publikationsdatum: 2002-01-05
    Beschreibung: The recently released human genome sequences provide us with reference data to conduct comparative genomic research on primates, which will be important to understand what genetic information makes us human. Here we present a first-generation human-chimpanzee comparative genome map and its initial analysis. The map was constructed through paired alignment of 77,461 chimpanzee bacterial artificial chromosome end sequences with publicly available human genome sequences. We detected candidate positions, including two clusters on human chromosome 21 that suggest large, nonrandom regions of difference between the two genomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fujiyama, Asao -- Watanabe, Hidemi -- Toyoda, Atsushi -- Taylor, Todd D -- Itoh, Takehiko -- Tsai, Shih-Feng -- Park, Hong-Seog -- Yaspo, Marie-Laure -- Lehrach, Hans -- Chen, Zhu -- Fu, Gang -- Saitou, Naruya -- Osoegawa, Kazutoyo -- de Jong, Pieter J -- Suto, Yumiko -- Hattori, Masahira -- Sakaki, Yoshiyuki -- New York, N.Y. -- Science. 2002 Jan 4;295(5552):131-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉RIKEN Genomic Sciences Center, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan. afujiyam@gsc.riken.go.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11778049" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Base Sequence ; Chromosomes, Artificial, Bacterial ; Chromosomes, Human, Pair 21/genetics ; Cloning, Molecular ; Contig Mapping ; Female ; Gene Library ; *Genome ; *Genome, Human ; Humans ; Male ; Pan troglodytes/*genetics ; *Physical Chromosome Mapping ; Sequence Alignment ; Sequence Analysis, DNA ; Sequence Tagged Sites ; X Chromosome/genetics ; Y Chromosome/genetics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 56
    Publikationsdatum: 2003-05-31
    Beschreibung: Patients with cerebellar damage are known to exhibit deficits in the temporal control of movements. We report that these deficits are restricted to discontinuous movements. Cerebellar patients exhibited no deficit in temporal variability when producing continuous, rhythmic movements. We hypothesize that the temporal properties of continuous movements are emergent and reflect the operation of other control parameters not associated with the cerebellum. In contrast, discontinuous movements require an explicit representation of the temporal goal, a function of the cerebellum. The requirement for explicit temporal representation provides a parsimonious account of cerebellar involvement in a range of tasks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spencer, Rebecca M C -- Zelaznik, Howard N -- Diedrichsen, Jorn -- Ivry, Richard B -- NS17778/NS/NINDS NIH HHS/ -- NS30256/NS/NINDS NIH HHS/ -- NS40813/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 May 30;300(5624):1437-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of California, Berkeley, 3210 Tolman Hall #1650, Berkeley, CA 94720, USA. rspencer@socrates.berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12775842" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Aged ; Aged, 80 and over ; Cerebellar Diseases/*physiopathology ; Cerebellum/physiology/*physiopathology ; Female ; Humans ; Male ; Middle Aged ; *Motor Activity ; Movement ; *Psychomotor Performance ; Spinocerebellar Degenerations/*physiopathology ; Time Factors
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  • 57
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-01-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Samyn, Yves -- Massin, Claude -- New York, N.Y. -- Science. 2002 Jan 11;295(5553):276-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11789538" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Classification ; *Ecosystem ; Invertebrates/classification ; Plants/classification ; *Publishing
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 58
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-05-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, Eliot -- New York, N.Y. -- Science. 2002 May 17;296(5571):1218.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12016281" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Arabidopsis/anatomy & histology/*genetics/growth & development/*physiology ; Arabidopsis Proteins/genetics/*physiology ; Biological Evolution ; Drosophila/anatomy & histology/genetics/growth & development/physiology ; Drosophila Proteins/genetics/physiology ; Genes, Insect ; Genes, Plant ; HSP90 Heat-Shock Proteins/genetics/*physiology ; Mutation ; Plant Leaves/anatomy & histology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 59
    Publikationsdatum: 2002-12-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Funes, Soledad -- Davidson, Edgar -- Reyes-Prieto, Adrian -- Magallon, Susana -- Herion, Pascal -- King, Michael P -- Gonzalez-Halphen, Diego -- HL59646/HL/NHLBI NIH HHS/ -- TW01176/TW/FIC NIH HHS/ -- New York, N.Y. -- Science. 2002 Dec 13;298(5601):2155.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Instituto de Fisiologia Celular, Universidad Nacional Autonoma de Mexico (UNAM), 04510 D.F., Mexico.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12481129" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Apicomplexa/enzymology/*genetics/ultrastructure ; *Biological Evolution ; Cell Nucleus/genetics ; Chlamydomonas reinhardtii/enzymology/genetics ; Chlorophyta/enzymology/*genetics ; Cloning, Molecular ; DNA, Mitochondrial/genetics ; Electron Transport Complex IV/chemistry/*genetics ; *Gene Transfer, Horizontal ; Genes ; Genes, Protozoan ; Molecular Sequence Data ; Phylogeny ; Plastids/*genetics ; Symbiosis ; Toxoplasma/enzymology/genetics
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  • 60
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2003-02-08
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gura, Trisha -- New York, N.Y. -- Science. 2003 Feb 7;299(5608):849-52.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12574616" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Agouti-Related Protein ; Animals ; Anti-Obesity Agents/adverse effects/pharmacology/*therapeutic use ; Appetite/drug effects ; Arcuate Nucleus of Hypothalamus/metabolism ; Ciliary Neurotrophic Factor/therapeutic use ; Clinical Trials as Topic ; Cyclobutanes/adverse effects/therapeutic use ; Energy Intake ; Ghrelin ; Humans ; Hunger/drug effects ; Intercellular Signaling Peptides and Proteins ; Lactones/adverse effects/therapeutic use ; Leptin/metabolism/therapeutic use ; Mice ; Nerve Tissue Proteins/adverse effects/therapeutic use ; Neurons/metabolism ; Neuropeptide Y/metabolism/pharmacology ; Obesity/*drug therapy/metabolism ; Peptide Fragments ; Peptide Hormones/metabolism/pharmacology ; Peptide YY/metabolism/pharmacology ; Phentermine/adverse effects/therapeutic use ; Proteins/metabolism ; Receptors, Corticotropin/metabolism ; Receptors, Melanocortin ; Weight Loss ; alpha-MSH/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 61
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-05-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, Eliot -- New York, N.Y. -- Science. 2002 May 17;296(5571):1212.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12016275" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Disease Models, Animal ; Drug Industry/legislation & jurisprudence ; Drug Screening Assays, Antitumor ; Mice ; *Mice, Transgenic ; National Institutes of Health (U.S.)/legislation & jurisprudence ; *Neoplasms, Experimental ; *Patents as Topic ; United States ; Universities/legislation & jurisprudence
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 62
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-02-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nutton, Vivian -- New York, N.Y. -- Science. 2002 Feb 1;295(5556):800-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Centre for the History of Medicine, University College London, Euston House, 24 Eversholt Street, London NW1 1AD, UK. v.nutton@ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11823624" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anatomy/history ; Anatomy, Comparative/history ; Animals ; Education, Medical/history ; History, Ancient ; Humans ; *Logic ; Philosophy, Medical/*history ; Physician's Role ; Research/*history ; Rome ; Turkey
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 63
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-04-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2002 Apr 26;296(5568):644.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11976425" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Female ; Humans ; Male ; Pedigree ; Siberia/epidemiology ; Spinocerebellar Ataxias/*epidemiology/*genetics ; *Trinucleotide Repeats
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 64
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-02-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beckman, Mary -- New York, N.Y. -- Science. 2002 Feb 1;295(5556):782.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11823614" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aggression ; Animals ; *Behavior, Animal ; Cues ; Female ; Male ; Membrane Proteins/*genetics/*physiology ; Mice ; Mice, Knockout ; Neurons/physiology ; Pheromones/*physiology ; Sex Characteristics ; *Sexual Behavior, Animal ; TRPC Cation Channels ; Vomeronasal Organ/*innervation/physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 65
    Publikationsdatum: 2002-02-09
    Beschreibung: Double-stranded RNA-mediated gene interference (RNAi) in Caenorhabditis elegans systemically inhibits gene expression throughout the organism. To investigate how gene-specific silencing information is transmitted between cells, we constructed a strain that permits visualization of systemic RNAi. We used this strain to identify systemic RNA interference-deficient (sid) loci required to spread gene-silencing information between tissues but not to initiate or maintain an RNAi response. One of these loci, sid-1, encodes a conserved protein with predicted transmembrane domains. SID-1 is expressed in cells sensitive to RNAi, is localized to the cell periphery, and is required cell-autonomously for systemic RNAi.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Winston, William M -- Molodowitch, Christina -- Hunter, Craig P -- New York, N.Y. -- Science. 2002 Mar 29;295(5564):2456-9. Epub 2002 Feb 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11834782" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Animals, Genetically Modified ; Caenorhabditis elegans/embryology/*genetics/metabolism ; Caenorhabditis elegans Proteins/chemistry/*genetics/*physiology ; Calmodulin-Binding Proteins/genetics ; Cytoplasm/metabolism ; Embryo, Nonmammalian/physiology ; *Gene Silencing ; Genes, Helminth ; Germ Cells/metabolism ; Green Fluorescent Proteins ; Intestines/metabolism ; Luminescent Proteins/genetics ; Membrane Proteins/chemistry/*genetics/*physiology ; Molecular Sequence Data ; Mosaicism ; Muscle Proteins/genetics ; Muscles/metabolism ; Mutation ; Protein Structure, Tertiary ; RNA, Double-Stranded/*genetics/metabolism ; RNA, Helminth/*genetics/metabolism ; Recombinant Fusion Proteins/metabolism ; Transgenes
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 66
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-07-06
    Beschreibung: Fishery management plans ignore the potential for evolutionary change in harvestable biomass. We subjected populations of an exploited fish (Menidia menidia) to large, small, or random size-selective harvest of adults over four generations. Harvested biomass evolved rapidly in directions counter to the size-dependent force of fishing mortality. Large-harvested populations initially produced the highest catch but quickly evolved a lower yield than controls. Small-harvested populations did the reverse. These shifts were caused by selection of genotypes with slower or faster rates of growth. Management tools that preserve natural genetic variation are necessary for long-term sustainable yield.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Conover, David O -- Munch, Stephan B -- New York, N.Y. -- Science. 2002 Jul 5;297(5578):94-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marine Sciences Research Center, State University of New York, Stony Brook, NY 11794-5000, USA. dconover@notes.cc.sunysb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12098697" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Biological Evolution ; Biomass ; Body Constitution ; Body Weight ; Conservation of Natural Resources ; *Fisheries ; Fishes/anatomy & histology/*genetics/*growth & development ; Genetic Variation ; Population Dynamics ; Regression Analysis ; *Selection, Genetic ; Time Factors
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 67
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-09-07
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beckman, Mary -- New York, N.Y. -- Science. 2002 Sep 6;297(5587):1626-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12215618" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Arthritis/*immunology ; Arthritis, Rheumatoid/immunology ; Autoantibodies/immunology ; Humans ; Joints/*immunology ; Mast Cells/immunology ; Mice
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 68
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-08-10
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ingolia, Nicholas T -- Murray, Andrew W -- New York, N.Y. -- Science. 2002 Aug 9;297(5583):948-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology and Bauer Center for Genomics Research, Harvard University, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12169717" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adaptation, Physiological ; Animals ; Biological Evolution ; *Cell Cycle Proteins ; Cells, Cultured ; Dual Specificity Phosphatase 1 ; *Feedback, Physiological ; Immediate-Early Proteins/*metabolism ; *MAP Kinase Signaling System ; Mitogen-Activated Protein Kinases/*metabolism ; Models, Biological ; *Phosphoprotein Phosphatases ; Platelet-Derived Growth Factor/metabolism/pharmacology ; Protein Phosphatase 1 ; Protein Tyrosine Phosphatases/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 69
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-05-11
    Beschreibung: Breast cancer manifests itself in the mammary epithelium, yet there is a growing recognition that mammary stromal cells also play an important role in tumorigenesis. During its developmental cycle, the mammary gland displays many of the properties associated with breast cancer, and many of the stromal factors necessary for mammary development also promote or protect against breast cancer. Here we review our present knowledge of the specific factors and cell types that contribute to epithelial-stromal crosstalk during mammary development. To find cures for diseases like breast cancer that rely on epithelial-stromal crosstalk, we must understand how these different cell types communicate with each other.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2788989/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2788989/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wiseman, Bryony S -- Werb, Zena -- CA57621/CA/NCI NIH HHS/ -- R01 CA057621/CA/NCI NIH HHS/ -- R01 CA057621-07/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2002 May 10;296(5570):1046-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy, University of California, 513 Parnassus Avenue, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12004111" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adipocytes/cytology/physiology ; Animals ; Apoptosis ; Breast/cytology/embryology/*growth & development/physiology ; Breast Neoplasms/pathology/*physiopathology ; Cell Communication ; Epithelial Cells/physiology ; Extracellular Matrix/physiology ; Female ; Humans ; Mammary Glands, Animal/cytology/embryology/*growth & development/physiology ; Mammary Neoplasms, Animal/pathology/*physiopathology ; Morphogenesis ; Neoplasm Metastasis ; Pregnancy ; Signal Transduction ; Stromal Cells/*physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 70
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2003-04-26
    Beschreibung: Tubular nanostructures are suggested to have a wide range of applications in nanotechnology. We report our observation of the self-assembly of a very short peptide, the Alzheimer's beta-amyloid diphenylalanine structural motif, into discrete and stiff nanotubes. Reduction of ionic silver within the nanotubes, followed by enzymatic degradation of the peptide backbone, resulted in the production of discrete nanowires with a long persistence length. The same dipeptide building block, made of D-phenylalanine, resulted in the production of enzymatically stable nanotubes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reches, Meital -- Gazit, Ehud -- New York, N.Y. -- Science. 2003 Apr 25;300(5619):625-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12714741" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Motifs ; Amino Acid Sequence ; Amyloid beta-Peptides/chemistry ; Biosensing Techniques ; Birefringence ; Dipeptides/*chemistry ; Microscopy, Electron ; Microscopy, Electron, Scanning ; Molecular Sequence Data ; *Nanotechnology ; Oxidation-Reduction ; Protein Conformation ; Silver ; Solubility ; Spectroscopy, Fourier Transform Infrared
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 71
    Publikationsdatum: 2003-08-09
    Beschreibung: Amyotrophic lateral sclerosis (ALS) is a progressive, lethal neuromuscular disease that is associated with the degeneration of spinal and brainstem motor neurons, leading to atrophy of limb, axial, and respiratory muscles. The cause of ALS is unknown, and there is no effective therapy. Neurotrophic factors are candidates for therapeutic evaluation in ALS. Although chronic delivery of molecules to the central nervous system has proven difficult, we recently discovered that adeno-associated virus can be retrogradely transported efficiently from muscle to motor neurons of the spinal cord. We report that insulin-like growth factor 1 prolongs life and delays disease progression, even when delivered at the time of overt disease symptoms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaspar, Brian K -- Llado, Jeronia -- Sherkat, Nushin -- Rothstein, Jeffrey D -- Gage, Fred H -- AG12992/AG/NIA NIH HHS/ -- AG21876/AG/NIA NIH HHS/ -- NS33958/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Aug 8;301(5634):839-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12907804" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amyotrophic Lateral Sclerosis/pathology/physiopathology/*therapy ; Animals ; Apoptosis ; Base Sequence ; Caspase 9 ; Caspases/metabolism ; Cell Count ; Dependovirus/*genetics ; Disease Models, Animal ; Disease Progression ; Gene Transfer Techniques ; *Genetic Therapy ; *Genetic Vectors/administration & dosage ; Glial Cell Line-Derived Neurotrophic Factor ; Green Fluorescent Proteins ; Insulin-Like Growth Factor I/*genetics ; Luminescent Proteins/genetics ; Male ; Mice ; Mice, Transgenic ; Molecular Sequence Data ; Motor Neurons/pathology/virology ; Muscle, Skeletal/virology ; Nerve Growth Factors/genetics ; *Protein-Serine-Threonine Kinases ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-akt ; Random Allocation ; Spinal Cord/chemistry/pathology/virology ; Superoxide Dismutase/genetics/metabolism ; Ubiquitin/analysis
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 72
    Publikationsdatum: 2003-10-04
    Beschreibung: Analysis of the human and mouse genomes identified an abundance of conserved non-genic sequences (CNGs). The significance and evolutionary depth of their conservation remain unanswered. We have quantified levels and patterns of conservation of 191 CNGs of human chromosome 21 in 14 mammalian species. We found that CNGs are significantly more conserved than protein-coding genes and noncoding RNAS (ncRNAs) within the mammalian class from primates to monotremes to marsupials. The pattern of substitutions in CNGs differed from that seen in protein-coding and ncRNA genes and resembled that of protein-binding regions. About 0.3% to 1% of the human genome corresponds to a previously unknown class of extremely constrained CNGs shared among mammals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dermitzakis, Emmanouil T -- Reymond, Alexandre -- Scamuffa, Nathalie -- Ucla, Catherine -- Kirkness, Ewen -- Rossier, Colette -- Antonarakis, Stylianos E -- New York, N.Y. -- Science. 2003 Nov 7;302(5647):1033-5. Epub 2003 Oct 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Medical Genetics and National Center of Competence in Research (NCCR) Frontiers in Genetics, University of Geneva Medical School and University Hospitals, 1211 Geneva, Switzerland. Emmanouil.Dermitzakis@medecine.unige.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14526086" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Base Sequence ; Chromosomes, Human, Pair 21/*genetics ; Chromosomes, Mammalian/*genetics ; *Conserved Sequence ; DNA, Intergenic/*genetics ; Discriminant Analysis ; *Evolution, Molecular ; Female ; Genetic Code ; Genome ; Humans ; Male ; Mammals/*genetics ; Molecular Sequence Data ; Polymerase Chain Reaction ; Proteins/genetics ; RNA, Untranslated/genetics ; Selection, Genetic ; Sequence Alignment ; Species Specificity ; Time ; Transcription, Genetic
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 73
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2003-12-04
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, Kathryn -- New York, N.Y. -- Science. 2003 Nov 28;302(5650):1499.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14645825" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adaptation, Physiological ; *Biological Evolution ; Desert Climate ; Ecosystem ; Environment ; Genes, Plant ; Helianthus/*genetics/growth & development/physiology ; History, 20th Century ; History, 21st Century ; *Hybridization, Genetic ; Mutation ; Phenotype ; Sodium Chloride/pharmacology ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 74
    Publikationsdatum: 2003-05-06
    Beschreibung: Degenerative disorders of motor neurons include a range of progressive fatal diseases such as amyotrophic lateral sclerosis (ALS), spinal-bulbar muscular atrophy (SBMA), and spinal muscular atrophy (SMA). Although the causative genetic alterations are known for some cases, the molecular basis of many SMA and SBMA-like syndromes and most ALS cases is unknown. Here we show that missense point mutations in the cytoplasmic dynein heavy chain result in progressive motor neuron degeneration in heterozygous mice, and in homozygotes this is accompanied by the formation of Lewy-like inclusion bodies, thus resembling key features of human pathology. These mutations exclusively perturb neuron-specific functions of dynein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hafezparast, Majid -- Klocke, Rainer -- Ruhrberg, Christiana -- Marquardt, Andreas -- Ahmad-Annuar, Azlina -- Bowen, Samantha -- Lalli, Giovanna -- Witherden, Abi S -- Hummerich, Holger -- Nicholson, Sharon -- Morgan, P Jeffrey -- Oozageer, Ravi -- Priestley, John V -- Averill, Sharon -- King, Von R -- Ball, Simon -- Peters, Jo -- Toda, Takashi -- Yamamoto, Ayumu -- Hiraoka, Yasushi -- Augustin, Martin -- Korthaus, Dirk -- Wattler, Sigrid -- Wabnitz, Philipp -- Dickneite, Carmen -- Lampel, Stefan -- Boehme, Florian -- Peraus, Gisela -- Popp, Andreas -- Rudelius, Martina -- Schlegel, Juergen -- Fuchs, Helmut -- Hrabe de Angelis, Martin -- Schiavo, Giampietro -- Shima, David T -- Russ, Andreas P -- Stumm, Gabriele -- Martin, Joanne E -- Fisher, Elizabeth M C -- New York, N.Y. -- Science. 2003 May 2;300(5620):808-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurodegenerative Disease, Institute of Neurology, National Hospital for Neurology and Neurosurgery, Queen Square, London WC1N 3BG, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12730604" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Anterior Horn Cells/pathology ; Apoptosis ; *Axonal Transport ; Cell Differentiation ; Cell Movement ; Central Nervous System/embryology ; Chromosome Mapping ; Dimerization ; Dyneins/chemistry/*genetics/*physiology ; Female ; Ganglia, Spinal/pathology ; Golgi Apparatus/metabolism/ultrastructure ; Heterozygote ; Homozygote ; Lewy Bodies/pathology ; Male ; Mice ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Motor Neuron Disease/*genetics/pathology/physiopathology ; Motor Neurons/*physiology/ultrastructure ; Mutation ; Mutation, Missense ; *Nerve Degeneration ; Peptide Fragments/metabolism ; Phenotype ; Point Mutation ; Spinal Nerves/growth & development ; Tetanus Toxin/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 75
    Publikationsdatum: 2002-02-09
    Beschreibung: The protein-protein interaction between leukocyte functional antigen-1 (LFA-1) and intercellular adhesion molecule-1 (ICAM-1) is critical to lymphocyte and immune system function. Here, we report on the transfer of the contiguous, nonlinear epitope of ICAM-1, responsible for its association with LFA-1, to a small-molecule framework. These LFA-1 antagonists bound LFA-1, blocked binding of ICAM-1, and inhibited a mixed lymphocyte reaction (MLR) with potency significantly greater than that of cyclosporine A. Furthermore, in comparison to an antibody to LFA-1, they exhibited significant anti-inflammatory effects in vivo. These results demonstrate the utility of small-molecule mimics of nonlinear protein epitopes and the protein epitopes themselves as leads in the identification of novel pharmaceutical agents.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gadek, T R -- Burdick, D J -- McDowell, R S -- Stanley, M S -- Marsters, J C Jr -- Paris, K J -- Oare, D A -- Reynolds, M E -- Ladner, C -- Zioncheck, K A -- Lee, W P -- Gribling, P -- Dennis, M S -- Skelton, N J -- Tumas, D B -- Clark, K R -- Keating, S M -- Beresini, M H -- Tilley, J W -- Presta, L G -- Bodary, S C -- New York, N.Y. -- Science. 2002 Feb 8;295(5557):1086-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioorganic Chemistry, Genentech, One DNA Way, South San Francisco, CA 94080, USA. trg@gene.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11834839" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Anti-Inflammatory Agents, Non-Steroidal/chemical ; synthesis/chemistry/metabolism/pharmacology ; Cyclosporine/pharmacology ; Dermatitis, Irritant/drug therapy ; Dinitrofluorobenzene ; Drug Design ; Enzyme-Linked Immunosorbent Assay ; Epitopes ; Female ; Humans ; Immunoglobulin Fab Fragments/immunology/pharmacology ; Immunosuppressive Agents/chemical synthesis/chemistry/metabolism/*pharmacology ; Intercellular Adhesion Molecule-1/chemistry/*immunology/*metabolism ; Lymphocyte Culture Test, Mixed ; Lymphocyte Function-Associated Antigen-1/immunology/*metabolism ; Mice ; Mice, Inbred BALB C ; Molecular Mimicry ; Mutagenesis ; Protein Structure, Secondary ; Structure-Activity Relationship ; Thiophenes/*chemical synthesis/chemistry/metabolism/*pharmacology ; beta-Alanine/analogs & derivatives/*chemical ; synthesis/chemistry/metabolism/*pharmacology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 76
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-04-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2002 Apr 26;296(5568):642-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11976423" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Antibodies, Viral/analysis ; Cerebral Cortex/pathology ; Cerebrospinal Fluid/virology ; Disease Outbreaks ; Encephalitis, Herpes Simplex/epidemiology ; Encephalomyelitis/ethnology/*etiology/pathology/virology ; Female ; Genetic Predisposition to Disease ; Herpesviridae/immunology/isolation & purification ; Herpesviridae Infections/ethnology/pathology/virology ; Humans ; Male ; Population Surveillance ; Rural Health ; Siberia/epidemiology ; Virus Diseases/ethnology/pathology/virology
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    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 77
    Publikationsdatum: 2003-04-19
    Beschreibung: Soluble oligomers are common to most amyloids and may represent the primary toxic species of amyloids, like the Abeta peptide in Alzheimer's disease (AD). Here we show that all of the soluble oligomers tested display a common conformation-dependent structure that is unique to soluble oligomers regardless of sequence. The in vitro toxicity of soluble oligomers is inhibited by oligomer-specific antibody. Soluble oligomers have a unique distribution in human AD brain that is distinct from fibrillar amyloid. These results indicate that different types of soluble amyloid oligomers have a common structure and suggest they share a common mechanism of toxicity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kayed, Rakez -- Head, Elizabeth -- Thompson, Jennifer L -- McIntire, Theresa M -- Milton, Saskia C -- Cotman, Carl W -- Glabe, Charles G -- AG00538/AG/NIA NIH HHS/ -- AG16573/AG/NIA NIH HHS/ -- NS31230/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Apr 18;300(5618):486-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Biochemistry, University of California, Irvine, CA 92697-3900, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12702875" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aged ; Aged, 80 and over ; Alzheimer Disease/metabolism/pathology ; Amyloid/chemistry/toxicity ; Amyloid beta-Peptides/analysis/*chemistry/immunology/toxicity ; Animals ; Antibodies/immunology ; Antibody Specificity ; Biopolymers/analysis/chemistry/toxicity ; Brain/pathology ; Brain Chemistry ; Cell Survival ; Humans ; Microscopy, Confocal ; Microscopy, Electron ; Molecular Mimicry ; Neurofibrillary Tangles/chemistry ; Peptide Fragments/chemistry/immunology ; Protein Conformation ; Rabbits ; Solubility ; Tumor Cells, Cultured
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 78
    Publikationsdatum: 2002-11-16
    Beschreibung: Activation-induced cytidine deaminase (AID) plays an essential role in class switch recombination (CSR) and somatic hypermutation (SHM) of immunoglobulin genes. We report here that deficiency in AID results in the development of hyperplasia of isolated lymphoid follicles (ILFs) associated with a 100-fold expansion of anaerobic flora in the small intestine. Reduction of bacterial flora by antibiotic treatment of AID-/- mice abolished ILF hyperplasia as well as the germinal center enlargement seen in secondary lymphoid tissues. Because an inability to switch to immunoglobulin A on its own does not lead to a similar phenotype, these results suggest that SHM of ILF B cells plays a critical role in regulating intestinal microflora.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fagarasan, Sidonia -- Muramatsu, Masamichi -- Suzuki, Keiichiro -- Nagaoka, Hitoshi -- Hiai, Hiroshi -- Honjo, Tasuku -- New York, N.Y. -- Science. 2002 Nov 15;298(5597):1424-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Chemistry, Graduate School of Medicine, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12434060" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Anti-Bacterial Agents ; B-Lymphocytes/immunology ; Bacteria, Aerobic/*growth & development ; Bacteria, Anaerobic/*growth & development ; Cell Division ; Colony Count, Microbial ; Cytidine Deaminase/genetics/*metabolism ; Dendritic Cells, Follicular/immunology ; Drug Therapy, Combination/pharmacology ; Genes, Immunoglobulin ; Germinal Center/immunology ; Homeostasis ; Hyperplasia ; Immunization ; Immunoglobulin Class Switching ; Immunoglobulin Variable Region/genetics ; Intestine, Small/immunology/*microbiology ; Lymphocyte Activation ; Lymphoid Tissue/immunology/*pathology ; Metronidazole/pharmacology ; Mice ; Mice, Inbred C57BL ; Mice, Inbred CBA ; Peyer's Patches/pathology ; Somatic Hypermutation, Immunoglobulin ; T-Lymphocytes/immunology
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  • 79
    Publikationsdatum: 2002-02-09
    Beschreibung: Primary open-angle glaucoma (POAG) affects 33 million individuals worldwide and is a leading cause of blindness. In a study of 54 families with autosomal dominantly inherited adult-onset POAG, we identified the causative gene on chromosome 10p14 and designated it OPTN (for "optineurin"). Sequence alterations in OPTN were found in 16.7% of families with hereditary POAG, including individuals with normal intraocular pressure. The OPTN gene codes for a conserved 66-kilodalton protein of unknown function that has been implicated in the tumor necrosis factor-alpha signaling pathway and that interacts with diverse proteins including Huntingtin, Ras-associated protein RAB8, and transcription factor IIIA. Optineurin is expressed in trabecular meshwork, nonpigmented ciliary epithelium, retina, and brain, and we speculate that it plays a neuroprotective role.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rezaie, Tayebeh -- Child, Anne -- Hitchings, Roger -- Brice, Glen -- Miller, Lauri -- Coca-Prados, Miguel -- Heon, Elise -- Krupin, Theodore -- Ritch, Robert -- Kreutzer, Donald -- Crick, R Pitts -- Sarfarazi, Mansoor -- EY-09947/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2002 Feb 8;295(5557):1077-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Ophthalmic Genetics Laboratory, Surgical Research Center, Department of Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11834836" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Alternative Splicing ; Amino Acid Sequence ; Brain/metabolism ; Chromosome Mapping ; Chromosomes, Human, Pair 10/genetics ; Ciliary Body/metabolism ; Exons ; Eye Proteins/analysis/chemistry/*genetics/physiology ; Female ; Glaucoma, Open-Angle/*genetics ; Golgi Apparatus/chemistry ; Heterozygote ; Humans ; Intraocular Pressure ; Male ; Middle Aged ; *Mutation ; *Mutation, Missense ; Nerve Tissue Proteins/analysis/chemistry/*genetics/physiology ; Ocular Hypertension/genetics ; Pedigree ; Polymorphism, Single-Stranded Conformational ; Retina/metabolism ; Trabecular Meshwork/metabolism ; *Transcription Factor TFIIIA ; Zinc Fingers
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  • 80
    Publikationsdatum: 2002-12-10
    Beschreibung: The formation and patterning of mesoderm during mammalian gastrulation require the activity of Nodal, a secreted mesoderm-inducing factor of the transforming growth factor-beta (TGF-beta) family. Here we show that the transcriptional corepressor DRAP1 has a very specific role in regulation of Nodal activity during mouse embryogenesis. We find that loss of Drap1 leads to severe gastrulation defects that are consistent with increased expression of Nodal and can be partially suppressed by Nodal heterozygosity. Biochemical studies indicate that DRAP1 interacts with and inhibits DNA binding by the winged-helix transcription factor FoxH1 (FAST), a critical component of a positive feedback loop for Nodal activity. We propose that DRAP1 limits the spread of a morphogenetic signal by down-modulating the response to the Nodal autoregulatory loop.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Iratni, Rabah -- Yan, Yu-Ting -- Chen, Canhe -- Ding, Jixiang -- Zhang, Yi -- Price, Sandy M -- Reinberg, Danny -- Shen, Michael M -- New York, N.Y. -- Science. 2002 Dec 6;298(5600):1996-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Biochemistry, Division of Nucleic Acids Enzymology, University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School, Piscataway, NJ 08854, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12471260" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Alleles ; Animals ; Cell Line ; Crosses, Genetic ; DNA/metabolism ; DNA-Binding Proteins/metabolism ; *Embryonic and Fetal Development ; Female ; Forkhead Transcription Factors ; Gastrula/*physiology ; Gene Expression Regulation, Developmental ; Gene Targeting ; Heterozygote ; In Situ Hybridization ; Left-Right Determination Factors ; Male ; Mesoderm/cytology/physiology ; Mice ; Morphogenesis ; Mutation ; Nodal Protein ; Phenotype ; Protein Binding ; RNA Interference ; Recombinant Fusion Proteins/metabolism ; Repressor Proteins/genetics/*metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; *Signal Transduction ; Transcription Factors/metabolism ; Transforming Growth Factor beta/genetics/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 81
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-04-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2002 Apr 19;296(5567):451-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11964452" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Canada/epidemiology ; Cluster Analysis ; Environmental Exposure/adverse effects ; *Famous Persons ; Female ; History, 21st Century ; Humans ; Male ; Parkinson Disease/*epidemiology/etiology ; *Television ; Time Factors ; Virus Diseases/complications/epidemiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 82
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-04-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Withgott, Jay -- New York, N.Y. -- Science. 2002 Apr 19;296(5567):447-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11964448" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Atrazine/administration & dosage/*toxicity ; Disorders of Sex Development/*chemically induced/pathology ; Female ; Gonads/*abnormalities ; Herbicides/administration & dosage/*toxicity ; Male ; Ovary/abnormalities ; Rana pipiens/*abnormalities/anatomy & histology/physiology ; Testis/abnormalities ; Testosterone/metabolism ; Water Pollutants, Chemical/administration & dosage/toxicity ; Xenopus laevis/*abnormalities/anatomy & histology/physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 83
    facet.materialart.
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-04-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2002 Apr 12;296(5566):241.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11951013" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amyotrophic Lateral Sclerosis/epidemiology/etiology ; Animals ; *Chiroptera ; *Cycas ; Cycasin/toxicity ; *Diet ; Guam/epidemiology ; Humans ; Neurodegenerative Diseases/epidemiology/*etiology ; Neurotoxins/toxicity ; Parkinsonian Disorders/epidemiology/etiology ; Plant Poisoning/epidemiology ; Plants, Toxic ; Seeds
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 84
    Publikationsdatum: 2002-04-27
    Beschreibung: Little is known of how plant disease resistance (R) proteins recognize pathogens and activate plant defenses. Rcr3 is specifically required for the function of Cf-2, a Lycopersicon pimpinellifolium gene bred into cultivated tomato (Lycopersicon esculentum) for resistance to Cladosporium fulvum. Rcr3 encodes a secreted papain-like cysteine endoprotease. Genetic analysis shows Rcr3 is allelic to the L. pimpinellifolium Ne gene, which suppresses the Cf-2-dependent autonecrosis conditioned by its L. esculentum allele, ne (necrosis). Rcr3 alleles from these two species encode proteins that differ by only seven amino acids. Possible roles of Rcr3 in Cf-2-dependent defense and autonecrosis are discussed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kruger, Julia -- Thomas, Colwyn M -- Golstein, Catherine -- Dixon, Mark S -- Smoker, Matthew -- Tang, Saijun -- Mulder, Lonneke -- Jones, Jonathan D G -- New York, N.Y. -- Science. 2002 Apr 26;296(5568):744-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Sainsbury Laboratory, John Innes Centre, Norwich NR4 7UH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11976458" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Alleles ; Amino Acid Sequence ; Base Sequence ; Cladosporium/*physiology ; Cloning, Molecular ; Cysteine Endopeptidases/chemistry/*genetics/*metabolism ; Cysteine Proteinase Inhibitors/pharmacology ; Gene Expression Regulation, Plant ; *Genes, Plant ; Immunity, Innate ; Leucine/analogs & derivatives/pharmacology ; Lycopersicon esculentum/*enzymology/genetics/*microbiology/physiology ; Molecular Sequence Data ; Mutation ; Phenotype ; *Plant Diseases ; Plant Leaves/enzymology ; Plant Proteins/*metabolism ; Plants, Genetically Modified ; Promoter Regions, Genetic ; Recombinant Fusion Proteins/chemistry/metabolism ; Tobacco/genetics ; Transgenes
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 85
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-12-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gallo, Robert C -- New York, N.Y. -- Science. 2002 Nov 29;298(5599):1728-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Human Virology and Department of Microbiology and Immunology, University of Maryland, Baltimore, MD 21201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12459576" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): AIDS Serodiagnosis/history ; Acquired Immunodeficiency Syndrome/diagnosis/*history/immunology/virology ; CD4-Positive T-Lymphocytes/virology ; Cell Line ; Cells, Cultured ; France ; *HIV/classification/isolation & purification/physiology ; History, 20th Century ; Human T-lymphotropic virus 1/isolation & purification/physiology ; Human T-lymphotropic virus 2/isolation & purification/physiology ; Humans ; Interleukin-2/history/isolation & purification/physiology ; Patents as Topic/history ; RNA-Directed DNA Polymerase/history/isolation & purification/metabolism ; United States ; Virus Cultivation
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 86
    Publikationsdatum: 2003-12-13
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, Martin -- Bristow, Robert -- Glazer, Peter -- Hill, Richard -- McBride, William -- McKenna, Gillies -- Muschel, Ruth -- New York, N.Y. -- Science. 2003 Dec 12;302(5652):1894; author reply 1894.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Radiation Oncology, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14671275" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Apoptosis ; Disease Models, Animal ; Endothelium, Vascular/*pathology/radiation effects ; Melanoma, Experimental/blood supply/immunology/pathology/*radiotherapy ; Mice ; Radiation Tolerance ; Sphingomyelin Phosphodiesterase/genetics/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 87
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2003-08-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hall, Stephen S -- New York, N.Y. -- Science. 2003 Aug 29;301(5637):1165.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12947168" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging ; Animals ; Caloric Restriction ; *Flavonoids ; *Gene Expression Regulation ; Histone Deacetylases/*genetics/metabolism ; Humans ; *Longevity ; Phenols/metabolism ; Polymers/metabolism ; Polyphenols ; Saccharomyces cerevisiae/genetics/physiology ; Silent Information Regulator Proteins, Saccharomyces ; cerevisiae/*genetics/metabolism ; Sirtuin 1 ; Sirtuin 2 ; Sirtuins/*genetics/metabolism ; Stilbenes/*metabolism ; Vitis/chemistry ; *Wine
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 88
    Publikationsdatum: 2002-04-06
    Beschreibung: The conserved Sir2 family of proteins has protein deacetylase activity that is dependent on NAD (the oxidized form of nicotinamide adenine dinucleotide). Although histones are one likely target for the enzymatic activity of eukaryotic Sir2 proteins, little is known about the substrates and roles of prokaryotic Sir2 homologs. We reveal that an archaeal Sir2 homolog interacts specifically with the major archaeal chromatin protein, Alba, and that Alba exists in acetylated and nonacetylated forms. Furthermore, we show that Sir2 can deacetylate Alba and mediate transcriptional repression in a reconstituted in vitro transcription system. These data provide a paradigm for how Sir2 family proteins influence transcription and suggest that modulation of chromatin structure by acetylation arose before the divergence of the archaeal and eukaryotic lineages.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bell, Stephen D -- Botting, Catherine H -- Wardleworth, Benjamin N -- Jackson, Stephen P -- White, Malcolm F -- New York, N.Y. -- Science. 2002 Apr 5;296(5565):148-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council (MRC) Cancer Cell Unit, The Hutchison/MRC Research Centre, Hills Road, Cambridge, CB2 2QH, UK. sdb@mole.bio.cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11935028" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acetylation ; Amino Acid Sequence ; Archaeal Proteins/*chemistry/*metabolism ; Chromatin/*metabolism ; DNA/metabolism ; Gene Expression Regulation, Archaeal ; Histone Deacetylases/chemistry/*metabolism ; Molecular Sequence Data ; Molecular Weight ; Protein Binding ; Recombinant Fusion Proteins/chemistry/metabolism ; *Silent Information Regulator Proteins, Saccharomyces cerevisiae ; Sirtuin 2 ; Sirtuins ; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization ; Sulfolobus/*chemistry/genetics/metabolism ; Templates, Genetic ; Trans-Activators/chemistry/*metabolism ; Transcription, Genetic
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 89
    facet.materialart.
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-03-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2002 Mar 22;295(5563):2191.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11910078" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Commerce/economics ; Conservation of Natural Resources ; *Ecosystem ; *Fishes/physiology ; *Food Supply/economics/standards ; Marine Biology ; Oceans and Seas ; Russia
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 90
    Publikationsdatum: 2003-07-19
    Beschreibung: The principles underlying human hemispheric specialization are poorly understood. We used functional magnetic resonance imaging of letter and visuospatial decision tasks with identical word stimuli to address two unresolved problems. First, hemispheric specialization depended on the nature of the task rather than on the nature of the stimulus. Second, analysis of frontal candidate regions for cognitive control showed increased coupling between left anterior cingulate cortex (ACC) and left inferior frontal gyrus during letter decisions, whereas right ACC showed enhanced coupling with right parietal areas during visuospatial decisions. Cognitive control is thus localized in the same hemisphere as task execution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stephan, Klaas E -- Marshall, John C -- Friston, Karl J -- Rowe, James B -- Ritzl, Afra -- Zilles, Karl -- Fink, Gereon R -- 077029/Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2003 Jul 18;301(5631):384-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Medicine (IME), Research Centre Julich, 52425 Julich, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12869765" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Brain/*physiology ; Brain Mapping ; *Cognition ; Functional Laterality ; Gyrus Cinguli/physiology ; Humans ; *Language ; Magnetic Resonance Imaging ; Male ; Parietal Lobe/physiology ; Prefrontal Cortex/physiology ; Space Perception ; Visual Perception
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 91
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-04-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, Eliot -- New York, N.Y. -- Science. 2002 Apr 26;296(5568):689-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11976440" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antibodies, Antinuclear/immunology/metabolism ; Autoantibodies/immunology ; Autoantigens/immunology ; Chromosome Mapping ; Clinical Trials as Topic ; Disease Susceptibility ; Epstein-Barr Virus Infections/complications ; Female ; Genetic Predisposition to Disease ; Humans ; Immune System/physiopathology ; Immunotherapy ; Lupus Erythematosus, Systemic/*etiology/genetics/immunology/therapy ; Male ; Mental Processes ; *Ribonucleoproteins, Small Nuclear ; Risk Factors ; snRNP Core Proteins
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 92
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-06-01
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Copeland, Neal G -- Jenkins, Nancy A -- O'Brien, Stephen J -- New York, N.Y. -- Science. 2002 May 31;296(5573):1617-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mouse Cancer Genetics Program, National Cancer Institute, Frederick, MD, 21702, USA. copeland@ncifcrf.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12040165" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Base Composition ; Biological Evolution ; Chromosome Aberrations ; Chromosomes/*genetics ; Chromosomes, Human/genetics ; Computational Biology ; Conserved Sequence ; Evolution, Molecular ; Gene Duplication ; Gene Rearrangement ; Genes ; Genome ; *Genome, Human ; Genomics ; Humans ; Mice ; Mice, Inbred Strains/*genetics ; Multigene Family ; *Sequence Analysis, DNA ; Species Specificity ; Synteny
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 93
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2003-11-01
    Beschreibung: Although neurodegenerative diseases such as Alzheimer's disease are not classically considered mediated by inflammation or the immune system, in some instances the immune system may play an important role in the degenerative process. Furthermore, it has become clear that the immune system itself may have beneficial effects in nervous system diseases considered neurodegenerative. Immunotherapeutic approaches designed to induce a humoral immune response have recently been developed for the treatment of Alzheimer's disease. These studies have led to human trials that resulted in both beneficial and adverse effects. In animal models, it has also been shown that immunotherapy designed to induce a cellular immune response may be of benefit in central nervous system injury, although T cells may have either a beneficial or detrimental effect depending on the type of T cell response induced. These areas provide a new avenue for exploring immune system-based therapy of neurodegenerative diseases and will be discussed here with a primary focus on Alzheimer's disease. We will also discuss how these approaches affect microglia activation, which plays a key role in therapy of such diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Monsonego, Alon -- Weiner, Howard L -- New York, N.Y. -- Science. 2003 Oct 31;302(5646):834-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA. amonsonego@rics.bwh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14593170" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Alzheimer Disease/*therapy ; Alzheimer Vaccines/adverse effects/*therapeutic use ; Amyloid beta-Peptides/*immunology/metabolism ; Animals ; Antibody Formation ; Antigen-Presenting Cells/immunology ; Central Nervous System/immunology ; Clinical Trials as Topic ; Humans ; Immunity, Innate ; Immunity, Mucosal ; Immunization ; *Immunotherapy/adverse effects ; Lymphocyte Activation ; Microglia/immunology ; Nitric Oxide/metabolism ; T-Lymphocytes/immunology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 94
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2002-09-21
    Beschreibung: Conversion of new memories into a lasting form may involve the gradual refinement and linking together of neural representations stored widely throughout neocortex. This consolidation process may require coordinated reactivation of distributed components of memory traces while the cortex is "offline," i.e., not engaged in processing external stimuli. Simultaneous neural ensemble recordings from four sites in the macaque neocortex revealed such coordinated reactivation. In motor, somatosensory, and parietal cortex (but not prefrontal cortex), the behaviorally induced correlation structure and temporal patterning of neural ensembles within and between regions were preserved, confirming a major tenet of the trace-reactivation theory of memory consolidation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, K L -- McNaughton, B L -- MH01565/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2002 Sep 20;297(5589):2070-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neural Systems, Memory, and Aging, University of Arizona, Tucson, AZ 85724, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12242447" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Action Potentials ; Animals ; Brain Mapping ; Cues ; Electrodes, Implanted ; Macaca mulatta ; Male ; Memory/*physiology ; Mental Recall/*physiology ; Motor Cortex/physiology ; Neocortex/*physiology ; Neurons/*physiology ; Parietal Lobe/physiology ; Prefrontal Cortex/physiology ; Somatosensory Cortex/physiology ; Time Factors
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 95
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2003-11-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2003 Nov 14;302(5648):1143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14615513" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Elephants/anatomy & histology/injuries ; Fractures, Bone/veterinary ; Incisor/anatomy & histology/injuries ; Paleontology ; *Sexual Behavior, Animal ; Social Dominance ; *Violence
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 96
    Publikationsdatum: 2003-07-05
    Beschreibung: Animal behavior is synchronized to the 24-hour light:dark (LD) cycle by regulatory programs that produce circadian fluctuations in gene expression throughout the body. In mammals, the transcription factor CLOCK controls circadian oscillation in the suprachiasmatic nucleus of the brain; its paralog, neuronal PAS domain protein 2 (NPAS2), performs a similar function in other forebrain sites. To investigate the role of NPAS2 in behavioral manifestations of circadian rhythm, we studied locomotor activity, sleep patterns, and adaptability to both light- and restricted food-driven entrainment in NPAS2-deficient mice. Our results indicate that NPAS2 plays a substantive role in maintaining circadian behaviors in normal LD and feeding conditions and that NPAS2 is critical for adaptability to food restriction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dudley, Carol A -- Erbel-Sieler, Claudia -- Estill, Sandi Jo -- Reick, Martin -- Franken, Paul -- Pitts, SiNae -- McKnight, Steven L -- 37919/PHS HHS/ -- 4R37 MH59388/MH/NIMH NIH HHS/ -- 5T3DK07328/DK/NIDDK NIH HHS/ -- HL 64148/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2003 Jul 18;301(5631):379-83. Epub 2003 Jul 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9152, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12843397" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Adaptation, Physiological ; Animals ; Basic Helix-Loop-Helix Transcription Factors ; Behavior, Animal ; Biological Clocks/*physiology ; Body Weight ; CLOCK Proteins ; Circadian Rhythm/*physiology ; Crosses, Genetic ; Darkness ; Eating ; Electroencephalography ; Electromyography ; Female ; Food ; Gene Targeting ; Light ; Male ; Mice ; Mice, Inbred C57BL ; *Motor Activity ; Nerve Tissue Proteins/genetics/*physiology ; Prosencephalon/physiology ; *Sleep ; Suprachiasmatic Nucleus/physiology ; Trans-Activators/genetics/physiology ; Transcription Factors/genetics/*physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 97
    Publikationsdatum: 2003-03-01
    Beschreibung: Recent progress in the science of aging is driven largely by the use of model systems, ranging from yeast and nematodes to mice. These models have revealed conservation in genetic pathways that balance energy production and its damaging by-products with pathways that preserve somatic maintenance. Maintaining genome integrity has emerged as a major factor in longevity and cell viability. Here we discuss the use of mouse models with defects in genome maintenance for understanding the molecular basis of aging in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hasty, Paul -- Campisi, Judith -- Hoeijmakers, Jan -- van Steeg, Harry -- Vijg, Jan -- AG17242/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2003 Feb 28;299(5611):1355-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Medicine, University of Texas Health Science Center, San Antonio, TX 78245, USA. hastye@uthscsa.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12610296" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Aging/genetics ; Aging, Premature/*genetics ; Animals ; Apoptosis ; Cell Aging ; *DNA Damage ; DNA Helicases/genetics/metabolism ; *DNA Repair/genetics ; Exodeoxyribonucleases ; *Genome ; Genome, Human ; Humans ; Longevity/genetics ; Mice ; Mutation ; Reactive Oxygen Species/metabolism ; RecQ Helicases ; Syndrome ; Telomere/physiology ; Transcription, Genetic
    Print ISSN: 0036-8075
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 98
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2003-11-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2003 Nov 14;302(5648):1142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14615511" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Biological Evolution ; Body Constitution ; Diet ; *Dogs/anatomy & histology ; Jaw/anatomy & histology ; Paleontology ; *Predatory Behavior ; Time
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 99
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2003-11-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dunbar, Robin -- New York, N.Y. -- Science. 2003 Nov 14;302(5648):1160-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Liverpool, Liverpool L69 7ZB, UK. rimd@liv.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14615522" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Animals, Wild ; *Biological Evolution ; *Cognition ; Endorphins/physiology ; Female ; Grooming ; Hierarchy, Social ; Language ; Neocortex/anatomy & histology/physiology ; Papio/physiology/*psychology ; *Reproduction ; *Social Behavior ; Social Dominance ; Social Support ; Vocalization, Animal
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 100
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2003-11-01
    Beschreibung: Parkinson's disease (PD) is a complex disorder with many different causes, yet they may intersect in common pathways, raising the possibility that neuroprotective agents may have broad applicability in the treatment of PD. Current evidence suggests that mitochondrial complex I inhibition may be the central cause of sporadic PD and that derangements in complex I cause alpha-synuclein aggregation, which contributes to the demise of dopamine neurons. Accumulation and aggregation of alpha-synuclein may further contribute to the death of dopamine neurons through impairments in protein handling and detoxification. Dysfunction of parkin (a ubiquitin E3 ligase) and DJ-1 could contribute to these deficits. Strategies aimed at restoring complex I activity, reducing oxidative stress and alpha-synuclein aggregation, and enhancing protein degradation may hold particular promise as powerful neuroprotective agents in the treatment of PD.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dawson, Ted M -- Dawson, Valina L -- NS38377/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Oct 31;302(5646):819-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA. tdawson@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14593166" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Animals, Genetically Modified ; Brain/*metabolism/pathology ; Cysteine Endopeptidases/metabolism ; Dopamine/metabolism ; Electron Transport Complex I/antagonists & inhibitors/genetics/*metabolism ; Humans ; Mitochondria/enzymology ; Multienzyme Complexes/metabolism ; Mutation ; Nerve Degeneration ; Nerve Tissue Proteins/chemistry/genetics/metabolism ; Neurons/*metabolism/pathology ; Oxidative Stress ; Parkinson Disease/*etiology/genetics/metabolism/pathology ; Parkinsonian Disorders/genetics/metabolism/pathology ; Proteasome Endopeptidase Complex ; Synucleins ; Ubiquitin/metabolism ; Ubiquitin-Protein Ligases/genetics/metabolism ; alpha-Synuclein
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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