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  • 1
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    The male determinant of self-incompatibility in Brassica (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-27
    Description: In the S locus-controlled self-incompatibility system of Brassica, recognition of self-related pollen at the surface of stigma epidermal cells leads to inhibition of pollen tube development. The female (stigmatic) determinant of this recognition reaction is a polymorphic transmembrane receptor protein kinase encoded at the S locus. Another highly polymorphic, anther-expressed gene, SCR, also encoded at the S locus, fulfills the requirements for the hypothesized pollen determinant. Loss-of-function and gain-of-function studies prove that the SCR gene product is necessary and sufficient for determining pollen self-incompatibility specificity, possibly by acting as a ligand for the stigmatic receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schopfer, C R -- Nasrallah, M E -- Nasrallah, J B -- GM57527/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Nov 26;286(5445):1697-700.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Biology, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10576728" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Brassica/genetics/*physiology ; Cysteine/chemistry ; *Genes, Plant ; Germination ; Glycoproteins/genetics/metabolism ; Haplotypes ; Ligands ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Plant Proteins/chemistry/*genetics/metabolism/*physiology ; Plant Structures/genetics/physiology ; Pollen/genetics/*physiology ; Polymorphism, Genetic ; Protein Kinases/genetics/metabolism ; Sequence Alignment ; 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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    Allele-specific receptor-ligand interactions in Brassica self-incompatibility (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-09-08
    Description: Genetic self-incompatibility in Brassica is determined by alleles of the transmembrane serine-threonine kinase SRK, which functions in the stigma epidermis, and of the cysteine-rich peptide SCR, which functions in pollen. Using tagged versions of SRK and SCR as well as endogenous stigma and pollen proteins, we show that SCR binds the SRK ectodomain and that this binding is allele specific. Thus, SRK and SCR function as a receptor-ligand pair in the recognition of self pollen. Specificity in the self-incompatibility response derives from allele-specific formation of SRK-SCR complexes at the pollen-stigma interface.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kachroo, A -- Schopfer, C R -- Nasrallah, M E -- Nasrallah, J B -- GM57527/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2001 Sep 7;293(5536):1824-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Biology, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11546871" target="_blank"〉PubMed〈/a〉
    Keywords: *Alleles ; Binding Sites ; Brassica/*genetics/*metabolism ; Fertilization/physiology ; Ligands ; Plant Proteins/genetics/*metabolism ; Plant Structures/*metabolism ; Plants, Genetically Modified ; Plants, Toxic ; Pollen/*metabolism ; Protein Binding ; Protein Kinases/chemistry/genetics/*metabolism ; Recombinant Fusion Proteins/genetics/metabolism ; Species Specificity ; Substrate Specificity ; Tobacco
    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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