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  • Cell & Developmental Biology  (5)
  • 550 - Earth sciences  (3)
  • Amino Acid Sequence  (3)
  • 1995-1999  (8)
  • 1960-1964  (2)
  • 1930-1934  (1)
  • 1
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    The dependence of high-latitude Pc5 wave power on solar wind velocity and on the phase of high-speed solar wind streams. (1998)
    In:  Journal of Geophysical Research
    Details
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/article
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  • 2
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    A multipoint determination of the propagation velcocity of a sudden commencement across the polar ionosphere. (1999)
    In:  Journal of Geophysical Research
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/article
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  • 3
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    The response of the magnetosphere to the passage of a coronal mass ejection on March 20-21, 1990 (1997)
    In:  Annales Geophysicae
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/article
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  • 4
    Electronic Resource
    Electronic Resource
    The cytology of several species of iceryine coccids, with special reference to parthenogenesis and haploidy (1930)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 50 (1930), S. 475-495 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Four species of iceryine coccids have been studied cytologically in connection with certain breeding experiments. These are Icerya littoralis, Icerya montserratensis, Echinicerya anomola, and Crypticerya rosae. For the three first-named species the complete chromosomal history has been established, and the evidence on the fourth, Crypticerya rosae, is sufficient to indicate that it differs in no essential respect from the others. The following résumé may, therefore, be considered to apply to all four species. The females are diploid, with a chromosome number of four, and the males are haploid, with a chromosome number of two. Oogenesis proceeds quite normally; two tetrads are formed and two maturation divisions occur in which the chromosomes are reduced to two in each female pronucleus. All eggs undergo this reduction: if the eggs are then fertilized, the diploid number is thus restored and development into females ensues; if the eggs remain unfertilized, whether in the body of a virgin or of a fertilized female, they develop parthenogenetically, with no restoration of diploidy, into haploid males. The spermatogenesis of the haploid males involves a single meiotic division, demonstrably equational in character; the accompanying cytoplasmic division is suppressed, and from each of the binucleate spermatids thus produced two spermatozoa are formed. These conditions are contrasted with the functional hermaphroditism and haploid parthenogenesis of Icerya purchasi.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1050500208
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  • 5
    Electronic Resource
    Electronic Resource
    A study of hybridization and heteroploidy in two subspecies of Triturus viridescensSupported in part by a grant from the McCandless Fund of Emory University. (1962)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 110 (1962), S. 121-129 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051100108
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  • 6
    Electronic Resource
    Electronic Resource
    Hermaphroditism in an African coccid, with notes on other margarodids (Coccoïdea  -  Homoptera)Aided by Charles W. Hargitt Fellowship of Duke University, 1961-62. (1963)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 113 (1963), S. 173-184 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 34 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051130205
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  • 7
    Electronic Resource
    Electronic Resource
    Immunogold labeling of oncogenic and tumor related proteins (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Microscopy Research and Technique 31 (1995), S. 159-173 
    Details
    ISSN: 1059-910X
    Keywords: Immunogold ; Electron microscopy (EM) ; Oncogene ; Mos ; Met ; Ski ; Muc1 ; Mucin ; Immunocytochemistry ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Natural Sciences in General
    Notes: Immunogold labeling electron microscopy technique has been used to study the ultrastructural localization of oncogenic proteins: Mos, Met, Ski, and the tumor-associated protein, Muc1, as well as their relationship with other tumor-related proteins. By pre- and postembedding immunogold labeling electron microscopy techniques, we showed that the Mos protein pp39mos colocalized with microtubule bundles, suggesting that microtubulin or microtubule-associated protein(s) may be the substrate of Mos. Met protein was labeled at the microvilli of the lumen that are formed in cultured T47D cells, implying its potential involvement in lumen formation. Ski localization experiments revealed a unique globular structure “Ski body” that is present inside the nucleus of interphase chicken embryo fibroblast infected with Ski cDNA FB29 and FB2-29. Ski bodies were also found scattered in the cytoplasm of metaphase FB29 and FB2-29 Ski expressing chicken embryo fibroblasts. In T47D cells, tumor-associated protein Muc1 was associated with both the plasma membrane and the membranes of secretory vesicles in the cytoplasm. In MUC1 infected NIH3T3 cells, however, labeling showed that in addition to the plasma membrane and the membranes of secretory vesicles, some Muc1 gold spheres were seen inside the secretory vesicles, suggesting that the subcellular localization of the protein may vary in different cell types. © 1995 Wiley-Liss, Inc.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jemt.1070310207
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  • 8
    Electronic Resource
    Electronic Resource
    Molecular evolution of the vertebrate immune system (1997)
    New York, NY : Wiley-Blackwell
    BioEssays 19 (1997), S. 777-786 
    Details
    ISSN: 0265-9247
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Adaptive immunity is unique to the vertebrates, and the molecules involved (including immunoglobulins, T cell receptors and the major histocompatibility complex molecules) seem to have diversified very rapidly early in vertebrate history. Reconstruction of gene phylogenies has yielded insights into the evolutionary origin of a number of molecular systems, including the complement system and the major histocompatibility complex (MHC). These analyses have indicated that the C5 component of complement arose by gene duplication prior to the divergence of C3 and C4, which suggests that the alternative complement pathway was the first to evolve. In the case of the MHC, phylogenetic analysis supports the hypothesis that MHC class II molecules evolved before class I molecules. The fact that the MHC-linked proteasome components that specifically produce peptides for presentation by class I MHC appear to have originated before the separation of jawed and jawless vertebrates suggests that the MHC itself may have been present at this time. Immmune system gene families have evolved by gene duplication, interlocus recombination and (in some cases) positive Darwinian selection favoring diversity at the amino acid level.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bies.950190907
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  • 9
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    Genetic selection of peptide inhibitors of biological pathways (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-27
    Description: Genetic selections were used to find peptides that inhibit biological pathways in budding yeast. The peptides were presented inside cells as peptamers, surface loops on a highly expressed and biologically inert carrier protein, a catalytically inactive derivative of staphylococcal nuclease. Peptamers that inhibited the pheromone signaling pathway, transcriptional silencing, and the spindle checkpoint were isolated. Putative targets for the inhibitors were identified by a combination of two-hybrid analysis and genetic dissection of the target pathways. This analysis identified Ydr517w as a component of the spindle checkpoint and reinforced earlier indications that Ste50 has both positive and negative roles in pheromone signaling. Analysis of transcript arrays showed that the peptamers were highly specific in their effects, which suggests that they may be useful reagents in organisms that lack sophisticated genetics as well as for identifying components of existing biological pathways that are potential targets for drug discovery.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norman, T C -- Smith, D L -- Sorger, P K -- Drees, B L -- O'Rourke, S M -- Hughes, T R -- Roberts, C J -- Friend, S H -- Fields, S -- Murray, A W -- P41-RR11823/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 23;285(5427):591-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, University of California, San Francisco, CA 94143-0444, USA. tnorman@microbia.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10417390" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; Fungal Proteins/metabolism ; G1 Phase ; Galactose/metabolism ; Lipoproteins/metabolism ; Micrococcal Nuclease ; Mitosis ; Molecular Sequence Data ; Peptide Library ; Peptides/genetics/metabolism/*pharmacology ; Pheromones/*metabolism ; Protein Binding ; Protein-Serine-Threonine Kinases ; Protein-Tyrosine Kinases ; Saccharomyces cerevisiae/cytology/genetics/*metabolism ; *Saccharomyces cerevisiae Proteins ; *Selection, Genetic ; *Signal Transduction ; Spindle Apparatus/drug effects/*metabolism ; Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 10
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    GTBP, a 160-kilodalton protein essential for mismatch-binding activity in human cells (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-30
    Description: DNA mismatch recognition and binding in human cells has been thought to be mediated by the hMSH2 protein. Here it is shown that the mismatch-binding factor consists of two distinct proteins, the 100-kilodalton hMSH2 and a 160-kilodalton polypeptide, GTBP (for G/T binding protein). Sequence analysis identified GTBP as a new member of the MutS homolog family. Both proteins are required for mismatch-specific binding, a result consistent with the finding that tumor-derived cell lines devoid of either protein are also devoid of mismatch-binding activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palombo, F -- Gallinari, P -- Iaccarino, I -- Lettieri, T -- Hughes, M -- D'Arrigo, A -- Truong, O -- Hsuan, J J -- Jiricny, J -- New York, N.Y. -- Science. 1995 Jun 30;268(5219):1912-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Istituto di Ricerche di Biologia Molecolare P. Angeletti, Pomezia, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7604265" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Composition ; Base Sequence ; Cloning, Molecular ; Colorectal Neoplasms ; *DNA Repair/genetics ; DNA, Neoplasm/*metabolism ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; HeLa Cells ; Humans ; Molecular Sequence Data ; Molecular Weight ; Nucleic Acid Heteroduplexes/*metabolism ; Sequence Analysis ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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