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    A putative Ca2+ and calmodulin-dependent protein kinase required for bacterial and fungal symbioses (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-02-14
    Description: Legumes can enter into symbiotic relationships with both nitrogen-fixing bacteria (rhizobia) and mycorrhizal fungi. Nodulation by rhizobia results from a signal transduction pathway induced in legume roots by rhizobial Nod factors. DMI3, a Medicago truncatula gene that acts immediately downstream of calcium spiking in this signaling pathway and is required for both nodulation and mycorrhizal infection, has high sequence similarity to genes encoding calcium and calmodulin-dependent protein kinases (CCaMKs). This indicates that calcium spiking is likely an essential component of the signaling cascade leading to nodule development and mycorrhizal infection, and sheds light on the biological role of plant CCaMKs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Levy, Julien -- Bres, Cecile -- Geurts, Rene -- Chalhoub, Boulos -- Kulikova, Olga -- Duc, Gerard -- Journet, Etienne-Pascal -- Ane, Jean-Michel -- Lauber, Emmanuelle -- Bisseling, Ton -- Denarie, Jean -- Rosenberg, Charles -- Debelle, Frederic -- New York, N.Y. -- Science. 2004 Feb 27;303(5662):1361-4. Epub 2004 Feb 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire des Interactions Plantes-Microorganismes INRA-CNRS, BP27, 31326 Castanet-Tolosan Cedex, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14963335" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Calcium/metabolism ; Calcium Signaling ; Calcium-Calmodulin-Dependent Protein Kinases/chemistry/genetics/*metabolism ; Calmodulin/metabolism ; Chromosomes, Artificial, Bacterial ; Cloning, Molecular ; EF Hand Motifs ; Expressed Sequence Tags ; Gene Expression Regulation, Plant ; Genes, Plant ; Lipopolysaccharides/metabolism ; Medicago/*enzymology/genetics/microbiology ; Molecular Sequence Data ; Mutation ; Mycorrhizae/*physiology ; Peas/*enzymology/genetics/microbiology ; Plant Roots/enzymology/microbiology ; Protein Structure, Tertiary ; Rhizobium/genetics ; Sinorhizobium meliloti/*physiology ; *Symbiosis ; 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)
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  • 2
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    Medicago truncatula DMI1 required for bacterial and fungal symbioses in legumes (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-02-14
    Description: Legumes form symbiotic associations with both mycorrhizal fungi and nitrogen-fixing soil bacteria called rhizobia. Several of the plant genes required for transduction of rhizobial signals, the Nod factors, are also necessary for mycorrhizal symbiosis. Here, we describe the cloning and characterization of one such gene from the legume Medicago truncatula. The DMI1 (does not make infections) gene encodes a novel protein with low global similarity to a ligand-gated cation channel domain of archaea. The protein is highly conserved in angiosperms and ancestral to land plants. We suggest that DMI1 represents an ancient plant-specific innovation, potentially enabling mycorrhizal associations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ane, Jean-Michel -- Kiss, Gyorgy B -- Riely, Brendan K -- Penmetsa, R Varma -- Oldroyd, Giles E D -- Ayax, Celine -- Levy, Julien -- Debelle, Frederic -- Baek, Jong-Min -- Kalo, Peter -- Rosenberg, Charles -- Roe, Bruce A -- Long, Sharon R -- Denarie, Jean -- Cook, Douglas R -- New York, N.Y. -- Science. 2004 Feb 27;303(5662):1364-7. Epub 2004 Feb 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Pathology, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14963334" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Arabidopsis/genetics ; Chromosomes, Artificial, Bacterial ; Cloning, Molecular ; Fabaceae/genetics/metabolism/microbiology ; Gene Expression Regulation, Plant ; *Genes, Plant ; Lipopolysaccharides/metabolism ; Medicago/*genetics/metabolism/*microbiology ; Molecular Sequence Data ; Mycorrhizae/*physiology ; Nitrogen Fixation ; Phylogeny ; Plant Proteins/chemistry/genetics/*physiology ; Plant Roots/metabolism ; Protein Structure, Tertiary ; Recombination, Genetic ; Rhizobiaceae/*physiology ; Sequence Homology, Amino Acid ; Signal Transduction ; *Symbiosis ; Transgenes
    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
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