ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • Articles  (222)
  • Signal Transduction  (146)
  • Temperature  (78)
  • American Association for the Advancement of Science (AAAS)  (219)
  • Springer  (3)
  • American Meteorological Society
  • American Physical Society (APS)
  • Springer Nature
  • 2010-2014  (91)
  • 2000-2004
  • 1995-1999  (131)
  • 1955-1959
  • 1935-1939
  • 1930-1934
  • 2011  (91)
  • 1997  (131)
  • Natural Sciences in General  (219)
  • Geosciences  (3)
Collection
  • Articles  (222)
Source
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (219)
  • Springer  (3)
  • American Meteorological Society
  • American Physical Society (APS)
  • Springer Nature
    • +
Years
  • 2010-2014  (91)
  • 2000-2004
  • 1995-1999  (131)
  • 1955-1959
  • 1935-1939
    • +
Year
Journal
Topic
  • 1
    Electronic Resource
    Electronic Resource
    Effect of temperature and soil moisture on the survival and symbiotic effectiveness of Frankia spp. (1997)
    Springer
    Biology and fertility of soils 25 (1997), S. 349-353 
    Details
    ISSN: 1432-0789
    Keywords: Key wordsCasuarina ; Alnus ; Frankia ; Temperature ; Soil moisture content ; Nodulation ; Inoculum storage ; Axenic cultures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Comparison of the effects of temperature on the growth in culture (increase in protein) of Frankia showed that three strains isolated from Casuarina were more tolerant of high temperature (45°C) than a strain from Alnus rubra. Optimal temperatures for growth of the Casuarina strains were in the range 25–30°C. Growth of the Alnus strain was good at 25°C but poor at 37°C. High temperatures (35–40°C) during storage for 7 months of these Frankia strains in sand, inoculated initially with liquid culture or with Frankia incorporated into alginate beads and permitted to dry, resulted in substantial loss of infectivity for the host plant species. Loss in infectivity was greater with an Alnus Frankia strain than strains from Casuarina cunninghamiana, C. equisetifolia and C. junghuniana. Three Frankia strains from C. equisetifolia were incorporated into a sand/perlite mixture with three different moisture regimes (field moisture capacity – wet: watered and maintained at field capacity; watered to field capacity but then allowed to dry – moderately wet; or watered to half field capacity and then permitted to dry – dry) and then stored for 12 weeks at 25°C and 35°C. Assessment by the most probable number (MPN) technique of the infectivity of the sand mixture for nodulation of C. equisetifolia showed significant interactions between Frankia strain, temperature and soil moisture content. The infectivity of Frankia strains ORS020607 and UGL020602q was not affected by incubation in wet sand at 25°C but fell by more than half after 12 weeks in moderate and dry conditions. Changes in infectivity were similar when incubation was at 35°C. By contrast, the infectivity of UGL020603q fell substantially under all moisture conditions and at both temperatures. The data show the importance of screening for tolerance of both temperature and moisture content when selecting strains for preparation of inoculum for use in hot climates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003740050324
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Field-scale and laboratory study of factors affecting N2O emissions from a rye stubble field on sandy loam soil (1997)
    Springer
    Biology and fertility of soils 25 (1997), S. 366-371 
    Details
    ISSN: 1432-0789
    Keywords: Key words Water addition ; Nitrogen ; Glucose ; O2 content ; Temperature ; Closed-chamber method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Emission of N2O from cultivated and fertilised soils may contribute significantly to the total global N2O emission. This study included laboratory and field investigations of the N2O production from a dry stubble field as influenced by addition of water, nitrogen and glucose. N2O fluxes were measured using a closed-chamber technique, and the O2 content in the soil was measured using soil probes. Results from a laboratory soil core technique were correlated to the relative N2O emission observed in the field. When the soil water content in the field increased from 14% to 60% water-filled pore space, the N2O emission increased from non-significant to a constant emission of 30 μg N m–2 h–1. At this soil water content the production of N2O was limited by the availability of nitrogen and carbon. Application of nitrogen at soil temperatures of 13 and 21°C in a pre-wetted soil increased the N2O emission 3.1- and 3.7-fold, respectively, whereas nitrogen plus carbon application increased the N2O emission 13.3- and 7.3-fold, respectively. In both treatments the N2O emission rates were affected by fluctuations in soil temperature and O2 content. The results indicate that even in a soil producing very little N2O under dry conditions, the soil microbial community maintains a potential to produce N2O when favourable conditions occur in terms of availability of water, nitrogen and carbon.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003740050327
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Nitrous oxide emission from Swedish forest soils in relation to liming and simulated increased N-deposition (1997)
    Springer
    Biology and fertility of soils 25 (1997), S. 290-295 
    Details
    ISSN: 1432-0789
    Keywords: Key words N2O emission ; Spruce forest ; Catchments ; Lime ; N-addition ; Water content ; Temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Fluxes of N2O were studied in a Norway spruce forest in the southwest of Sweden. Three differently treated catchments were compared: Limed (6 t dolomite ha–1), Nitrex (additional N-deposition corresponding to 35 kg ha–1 year–1, in small doses) and Control (used as control site). The N-retention was still high (95%) after 2years of N-addition at the Nitrex site when the flux measurements were performed. Each catchment contained both well-drained and poorly drained soils (covered with Sphagnum sp.). The emissions of N2O were in general low with both a high spatial and temporal variation for all three sites. The measured emissions were 25, 71 and 96 (gN2O-N ha–1 year–1) for the well-drained Limed, Control and Nitrex sites, respectively. The average emissions of N2O from the wet areas were significantly higher than the well-drained areas within the catchments. For the wet areas the measured emissions were larger: 90, 118 and 254 (g N2O-N ha–1 year–1) for the Limed, Control and Nitrex sites, respectively. Comparison between treatments showed the wet Nitrex site to have a significantly higher emission than all other sites. The increased N-deposition at the Nitrex site increased the N2O emissions by 0.2% of the added N for the well-drained soils and about 1% for the wet areas, compared with the control site. Since the wet areas represented only a small part of the forest, their larger emissions did not contribute significantly to the overall emission of the forest. Neither temperature nor water content of the soil was well correlated with the N2O emissions. Soil gas samples showed that most of the N2O was produced below a 0.3-m depth in the soil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003740050317
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    facet.materialart.
    Unknown
    Photochemically driven collapse of Titan's atmosphere (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-01-31
    Description: Saturn's giant moon Titan has a thick (1.5 bar) nitrogen atmosphere, which has a temperature structure that is controlled by the absorption of solar and thermal radiation by methane, hydrogen, and organic aerosols into which methane is irreversibly converted by photolysis. Previous studies of Titan's climate evolution have been done with the assumption that the methane abundance was maintained against photolytic depletion throughout Titan's history, either by continuous supply from the interior or by buffering by a surface or near surface reservoir. Radiative-convective and radiative-saturated equilibrium models of Titan's atmosphere show that methane depletion may have allowed Titan's atmosphere to cool so that nitrogen, its main constituent, condenses onto the surface, collapsing Titan into a Triton-like frozen state with a thin atmosphere.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lorenz, R D -- McKay, C P -- Lunine, J I -- New York, N.Y. -- Science. 1997 Jan 31;275(5300):642-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Planetary Sciences, Lunar and Planetary Laboratory, University of Arizona, Tucson 85721, USA.rlorenz@pl.arizona.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9005844" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere ; *Evolution, Planetary ; *Extraterrestrial Environment ; *Methane ; *Nitrogen ; Photolysis ; *Saturn ; Temperature
    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)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
  • 5
    facet.materialart.
    Unknown
    PtdIns(3,4,5)P3 gets its message across (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hemmings, B A -- New York, N.Y. -- Science. 1997 Jul 25;277(5325):534.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Friedrich Miescher Institute, CH-4002 Basel, Switzerland. hemmings@fmi.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9254423" target="_blank"〉PubMed〈/a〉
    Keywords: 3-Phosphoinositide-Dependent Protein Kinases ; Enzyme Activation ; Phosphatidylinositol Phosphates/*metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/chemistry/*metabolism ; Proto-Oncogene Proteins/chemistry/*metabolism ; Proto-Oncogene Proteins c-akt ; Second Messenger Systems ; Signal Transduction
    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)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
  • 6
    facet.materialart.
    Unknown
    Angiopoietin-2, a natural antagonist for Tie2 that disrupts in vivo angiogenesis (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-07-04
    Description: Angiogenesis is thought to depend on a precise balance of positive and negative regulation. Angiopoietin-1 (Ang1) is an angiogenic factor that signals through the endothelial cell-specific Tie2 receptor tyrosine kinase. Like vascular endothelial growth factor, Ang1 is essential for normal vascular development in the mouse. An Ang1 relative, termed angiopoietin-2 (Ang2), was identified by homology screening and shown to be a naturally occurring antagonist for Ang1 and Tie2. Transgenic overexpression of Ang2 disrupts blood vessel formation in the mouse embryo. In adult mice and humans, Ang2 is expressed only at sites of vascular remodeling. Natural antagonists for vertebrate receptor tyrosine kinases are atypical; thus, the discovery of a negative regulator acting on Tie2 emphasizes the need for exquisite regulation of this angiogenic receptor system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maisonpierre, P C -- Suri, C -- Jones, P F -- Bartunkova, S -- Wiegand, S J -- Radziejewski, C -- Compton, D -- McClain, J -- Aldrich, T H -- Papadopoulos, N -- Daly, T J -- Davis, S -- Sato, T N -- Yancopoulos, G D -- New York, N.Y. -- Science. 1997 Jul 4;277(5322):55-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9204896" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Angiopoietin-1 ; Angiopoietin-2 ; Animals ; Blood Vessels/embryology/*metabolism ; Cells, Cultured ; Cloning, Molecular ; Embryo, Mammalian/metabolism ; Endothelial Growth Factors/genetics/metabolism ; Endothelium, Vascular/*cytology/metabolism ; Female ; Humans ; Ligands ; Lymphokines/genetics/metabolism ; Membrane Glycoproteins/antagonists & inhibitors/metabolism ; Mice ; Mice, Transgenic ; Molecular Sequence Data ; *Neovascularization, Physiologic ; Phosphorylation ; Proteins/chemistry/*metabolism ; Rats ; Rats, Sprague-Dawley ; Receptor Protein-Tyrosine Kinases/*antagonists & inhibitors/metabolism ; Receptor, TIE-2 ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factors
    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)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
  • 7
    facet.materialart.
    Unknown
    Integrating genetic approaches into the discovery of anticancer drugs (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-11-14
    Description: The discovery of anticancer drugs is now driven by the numerous molecular alterations identified in tumor cells over the past decade. To exploit these alterations, it is necessary to understand how they define a molecular context that allows increased sensitivity to particular compounds. Traditional genetic approaches together with the new wealth of genomic information for both human and model organisms open up strategies by which drugs can be profiled for their ability to selectively kill cells in a molecular context that matches those found in tumors. Similarly, it may be possible to identify and validate new targets for drugs that would selectively kill tumor cells with a particular molecular context. This article outlines some of the ways that yeast genetics can be used to streamline anticancer drug discovery.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hartwell, L H -- Szankasi, P -- Roberts, C J -- Murray, A W -- Friend, S H -- N01-BC65017/BC/NCI NIH HHS/ -- New York, N.Y. -- Science. 1997 Nov 7;278(5340):1064-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Seattle Project, Molecular Pharmacology Department, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9353181" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antineoplastic Agents/pharmacology/therapeutic use ; *Drug Design ; *Drug Screening Assays, Antitumor ; Humans ; Mutation ; Neoplasms/*drug therapy/genetics ; Signal Transduction ; Yeasts/genetics
    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)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
  • 8
    facet.materialart.
    Unknown
    Osmotic activation of the HOG MAPK pathway via Ste11p MAPKKK: scaffold role of Pbs2p MAPKK (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-06-13
    Description: Exposure of the yeast Saccharomyces cerevisiae to high extracellular osmolarity induces the Sln1p-Ypd1p-Ssk1p two-component osmosensor to activate a mitogen-activated protein (MAP) kinase cascade composed of the Ssk2p and Ssk22p MAP kinase kinase kinases (MAPKKKs), the Pbs2p MAPKK, and the Hog1p MAPK. A second osmosensor, Sho1p, also activated Pbs2p and Hog1p, but did so through the Ste11p MAPKKK. Although Ste11p also participates in the mating pheromone-responsive MAPK cascade, there was no detectable cross talk between these two pathways. The MAPKK Pbs2p bound to the Sho1p osmosensor, the MAPKKK Ste11p, and the MAPK Hog1p. Thus, Pbs2p may serve as a scaffold protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Posas, F -- Saito, H -- GM50909/GM/NIGMS NIH HHS/ -- GM53415/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1997 Jun 13;276(5319):1702-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Tumor Immunology, Dana-Farber Cancer Institute, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9180081" target="_blank"〉PubMed〈/a〉
    Keywords: Calcium-Calmodulin-Dependent Protein Kinases/*metabolism ; Enzyme Activation ; Genes, Fungal ; Genetic Complementation Test ; MAP Kinase Kinase Kinases ; *Mitogen-Activated Protein Kinase Kinases ; *Mitogen-Activated Protein Kinases ; Mutation ; Osmolar Concentration ; Osmotic Pressure ; Peptides/metabolism ; Phosphorylation ; Protein Kinases/*metabolism ; Protein-Serine-Threonine Kinases/*metabolism ; Protein-Tyrosine Kinases/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Saccharomyces cerevisiae/*enzymology/genetics ; *Saccharomyces cerevisiae Proteins ; Signal Transduction
    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)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
  • 9
    facet.materialart.
    Unknown
    Rescue of a Drosophila NF1 mutant phenotype by protein kinase A (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-05-02
    Description: The neurofibromatosis type 1 (NF1) tumor suppressor protein is thought to restrict cell proliferation by functioning as a Ras-specific guanosine triphosphatase-activating protein. However, Drosophila homozygous for null mutations of an NF1 homolog showed no obvious signs of perturbed Ras1-mediated signaling. Loss of NF1 resulted in a reduction in size of larvae, pupae, and adults. This size defect was not modified by manipulating Ras1 signaling but was restored by expression of activated adenosine 3', 5'-monophosphate-dependent protein kinase (PKA). Thus, NF1 and PKA appear to interact in a pathway that controls the overall growth of Drosophila.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉The, I -- Hannigan, G E -- Cowley, G S -- Reginald, S -- Zhong, Y -- Gusella, J F -- Hariharan, I K -- Bernards, A -- NS22229/NS/NINDS NIH HHS/ -- NS34779/NS/NINDS NIH HHS/ -- NS36084/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1997 May 2;276(5313):791-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massachusetts General Hospital Cancer Center and Harvard Medical School Building 149, 13th Street, Charlestown, MA 02129, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9115203" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Count ; Cyclic AMP/metabolism ; Cyclic AMP-Dependent Protein Kinases/genetics/*metabolism ; Drosophila/cytology/*genetics/growth & development/metabolism ; *Drosophila Proteins ; GTP Phosphohydrolases/metabolism ; Genes, Insect ; Insect Proteins/chemistry/genetics/*metabolism ; Molecular Sequence Data ; Mutation ; *Nerve Tissue Proteins ; Neurofibromin 1 ; Phenotype ; Proteins/chemistry/genetics ; Recombinant Fusion Proteins/pharmacology ; Signal Transduction ; *ras GTPase-Activating Proteins ; ras Proteins/metabolism
    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)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
  • 10
    facet.materialart.
    Unknown
    Dictyostelium development in the absence of cAMP (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-07-11
    Description: Adenosine 3',5'-monophosphate (cAMP) and cAMP-dependent protein kinase (PKA) are regulators of development in many organisms. Dictyostelium uses cAMP as an extracellular chemoattractant and as an intracellular signal for differentiation. Cells that are mutant in adenylyl cyclase do not develop. Moderate expression of the catalytic subunit of PKA in adenylyl cyclase-null cells led to near-normal development without detectable accumulation of cAMP. These results suggest that all intracellular cAMP signaling is effected through PKA and that signals other than extracellular cAMP coordinate morphogenesis in Dictyostelium.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, B -- Kuspa, A -- R01 GM052359/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1997 Jul 11;277(5323):251-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Verna and Marrs McLean Department of Biochemistry, 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/9211856" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Animals ; Cloning, Molecular ; Cyclic AMP/*metabolism ; Cyclic AMP-Dependent Protein Kinases/*metabolism ; Dictyostelium/genetics/*growth & development/metabolism ; Enzyme Activation ; Gene Expression Regulation ; Genes, Protozoan ; Morphogenesis ; Signal Transduction ; Transformation, 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)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...