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  • 1
    Electronic Resource
    Electronic Resource
    Impact of elevated CO2 on mycorrhizal associations and implications for plant growth (1996)
    Springer
    Biology and fertility of soils 23 (1996), S. 388-398 
    Details
    ISSN: 1432-0789
    Keywords: Elevated CO2 ; Mycorrhizal associations ; Root morphology ; Nutrient availability ; Rhizodeposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The impact of increasing concentrations of atmospheric CO2 upon plant physiology has been widely investigated. Plant, and in particular root, growth is nearly always enhanced as a direct consequence of CO2 enrichment, with C3 species generally more responsive than C4 species. Such alterations in plant productivity will have consequence for below-ground processes and increased carbon allocation to the roots may favour symbiotic relationships. This paper discusses the current information available for the consequences of these changes upon mycorrhizal relationships. Generally mycorrhizal plants grown under CO2 enrichment show enhanced phosphorus uptake but nitrogen uptake is unaffected. This increased nutrient uptake is not correlated with increased mycorrhizal colonization of the roots. Similarly root exudation does not increase under CO2 enrichment but qualitative differences have yet to be assessed. However, it is predicted that total rhizodeposition of materials will increase as will litter inputs, although mineral and biochemical alterations to these plant derived inputs may occur. The consequences of such changes within the rhizosphere are discussed and future research
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335912
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Impact of elevated CO2 on mycorrhizal associations and implications for plant growth (1996)
    Springer
    Biology and fertility of soils 23 (1996), S. 388-398 
    Details
    ISSN: 1432-0789
    Keywords: Key words Elevated CO2 ; Mycorrhizal associations ; Root morphology ; Nutrient availability ; Rhizodeposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The impact of increasing concentrations of atmospheric CO2 upon plant physiology has been widely investigated. Plant, and in particular root, growth is nearly always enhanced as a direct consequence of CO2 enrichment, with C3 species generally more responsive than C4 species. Such alterations in plant productivity will have consequence for below-ground processes and increased carbon allocation to the roots may favour symbiotic relationships. This paper discusses the current information available for the consequences of these changes upon mycorrhizal relationships. Generally mycorrhizal plants grown under CO2 enrichment show enhanced phosphorus uptake but nitrogen uptake is unaffected. This increased nutrient uptake is not correlated with increased mycorrhizal colonization of the roots. Similarly root exudation does not increase under CO2 enrichment but qualitative differences have yet to be assessed. However, it is predicted that total rhizodeposition of materials will increase as will litter inputs, although mineral and biochemical alterations to these plant derived inputs may occur. The consequences of such changes within the rhizosphere are discussed and future research priorities identified.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335912
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    Paper (German National Licenses)
    Fulltext
  • 3
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    NF-AT-Driven interleukin-4 transcription potentiated by NIP45 (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-12-13
    Description: The induction of cytokine gene transcription is mediated in part by the nuclear factor of activated T cells (NF-AT). Factors involved in the mechanisms of NF-AT-mediated transcription are not well understood. A nuclear factor that interacted with the Rel homology domain (RHD) of NF-ATp was identified with the use of a two-hybrid interaction trap. Designated NIP45 (NF-AT interacting protein), it has minimal similarity to any known genes. Transcripts encoding this factor were enriched in lymphoid tissues and testes. NIP45 synergized with NF-ATp and the proto-oncogene c-Maf to activate the interleukin-4 (IL-4) cytokine promoter; transient overexpression of NIP45 with NF-ATp and c-maf in B lymphoma cells induced measurable endogenous IL-4 protein production. The identification of NIP45 advances our understanding of gene activation of cytokines, critical mediators of the immune response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hodge, M R -- Chun, H J -- Rengarajan, J -- Alt, A -- Lieberson, R -- Glimcher, L H -- AI37833/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1996 Dec 13;274(5294):1903-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cancer Biology, Harvard School of Public Health and Department of Medicine, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8943202" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Carrier Proteins/chemistry/genetics/*metabolism ; Cell Line ; Cell Nucleus/metabolism ; Cloning, Molecular ; DNA-Binding Proteins/*metabolism ; Genes, Reporter ; Humans ; Interleukin-4/*genetics ; *Intracellular Signaling Peptides and Proteins ; Male ; Molecular Sequence Data ; NFATC Transcription Factors ; Nuclear Proteins/chemistry/genetics/*metabolism ; Promoter Regions, Genetic ; Recombinant Fusion Proteins/metabolism ; Spleen/metabolism ; Testis/metabolism ; Thymus Gland/metabolism ; Transcription Factors/*metabolism ; *Transcriptional Activation ; Transfection ; 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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