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  • stripe rust  (2)
  • *Transcriptional Activation  (1)
  • 1995-1999  (3)
  • 1990-1994
  • 1
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    Regulation of transcription by a protein methyltransferase (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: The p160 family of coactivators, SRC-1, GRIP1/TIF2, and p/CIP, mediate transcriptional activation by nuclear hormone receptors. Coactivator-associated arginine methyltransferase 1 (CARM1), a previously unidentified protein that binds to the carboxyl-terminal region of p160 coactivators, enhanced transcriptional activation by nuclear receptors, but only when GRIP1 or SRC-1a was coexpressed. Thus, CARM1 functions as a secondary coactivator through its association with p160 coactivators. CARM1 can methylate histone H3 in vitro, and a mutation in the putative S-adenosylmethionine binding domain of CARM1 substantially reduced both methyltransferase and coactivator activities. Thus, coactivator-mediated methylation of proteins in the transcription machinery may contribute to transcriptional regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, D -- Ma, H -- Hong, H -- Koh, S S -- Huang, S M -- Schurter, B T -- Aswad, D W -- Stallcup, M R -- AG00093/AG/NIA NIH HHS/ -- DK43093/DK/NIDDK NIH HHS/ -- NS17269/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jun 25;284(5423):2174-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology HMR 301, University of Southern California, 2011 Zonal Avenue, Los Angeles, CA 90033, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10381882" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Histone Acetyltransferases ; Histones/metabolism ; Methylation ; Mice ; Molecular Sequence Data ; Mutation ; Nuclear Receptor Coactivator 1 ; Nuclear Receptor Coactivator 2 ; Nuclear Receptor Coactivator 3 ; Protein-Arginine N-Methyltransferases/chemistry/genetics/*metabolism ; Receptors, Androgen/metabolism ; Receptors, Estrogen/metabolism ; Receptors, Thyroid Hormone/metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Trans-Activators/*metabolism ; Transcription Factors/metabolism ; *Transcriptional Activation ; Transfection
    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
    Electronic Resource
    Electronic Resource
    Resistance to stripe rust in durum wheats, A-genome diploids, and their amphiploids (1997)
    Springer
    Euphytica 94 (1997), S. 279-286 
    Details
    ISSN: 1573-5060
    Keywords: Triticum turgidum ; T. monococcum ; T. boeoticum ; T. urartu ; wheat ; Puccinia striiformis ; stripe rust ; rust resistance ; amphiploid ; suppressors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Stripe rust (caused by Puccinia striiformis Westend.) is a wheat disease of worldwide importance. Seedlings of 75 accessions of Triticum boeoticum, 12 of T. monococcum, 16 of T. urartu, 230 of durum wheat (T. turgidum L. var. durum), and 128 amphiploids (genome AAAABB) involving the crosses of the three diploid species (AA) with T. turgidum (AABB) were evaluated in the greenhouse for their reaction to P. striiformis race 14E14. Durum wheats and the amphiploids were also evaluated at two field locations in Mexico with the same race for their adult plant response. Resistant seedling reactions (infection types: 0-3 on a 0-9 scale) were seen for 10 (13%) accessions of T. boeticum, 19 (8%) accessions of T. turgidum and 32 (25%) amphiploids. The remaining accessions were either moderately resistant (ITs 4-6) or susceptible (ITs 7-9). The three amphiploids derived from the crosses of seedling resistant T. boeoticum and T. turgidum, were resistant as seedlings. Among the 51 amphiploids involving one resistant parent, 29 were resistant and the remaining 22 displayed intermediate to susceptible reactions. Suppressors for resistance were common in the A and AB genomes and suppression was resistance gene specific. Forty-five (20%) durums showed adequate field resistance (relative AUDPC 〈10% of the susceptible check ‘Morocco’). These included the 19 seedling resistant durums. Presence of genes involved in adult plant resistance was evident, because 26 of the remaining adult plant resistant durums had displayed intermediate-susceptible seedling reactions. Though the seedling reactions of the amphiploids varied from low to high, all involving the adult plant resistant durums possessed adequate field resistance. The resistant, newly produced, AAAABB amphiploids are useful genetic resources for stripe rust resistance which could be transferred to the cultivated T. turgidum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1002979706378
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  • 3
    Electronic Resource
    Electronic Resource
    Resistance to stripe rust in Triticum turgidum, T. tauschii and their synthetic hexaploids (1995)
    Springer
    Euphytica 82 (1995), S. 117-124 
    Details
    ISSN: 1573-5060
    Keywords: Triticum turgidum ; wheat ; Triticum tauschii ; synthetic hexaploid ; Puccinia striiformis ; stripe rust ; rust resistance ; yellow rust ; Aegilops squarrosa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Resistance to stripe rust (caused by Puccinia striiformis Westend.) of 34 Triticum turgidum L. var.durum, 278 T. tauschii, and 267 synthetic hexaploid wheats (T. turgidum x T. tauschii) was evaluated at the seedling stage in the greenhouse and at the adult-plant stage at two field locations. Mexican pathotype 14E14 was used in all studies. Seedling resistance, expressed as low infection type, was present in all three species. One hundred and twenty-eight (46%) accessions of T. tauschii, 8 (23%) of T. turgidum and 31 (12%) of synthetic hexaploid wheats were highly resistant as seedlings. In the field tests, resistance was evaluated by estimating area under disease progress curve (AUDPC). Synthetic hexaploid wheats showed a wide range of variability for disease responses in both greenhouse and field tests, indicating the presence of a number of genes for resistance. In general, genotypes with seedling resistance were also found to be resistant as adult plants. Genotypes, which were susceptible or intermediate as seedlings but resistant as adult plants, were present in both T. turgidum and the synthetic hexaploids. Resistances from either T. turgidum or T. tauschii or both were identified in the synthetic hexaploids in this study. These new sources of resistance could be incorporated into cultivated hexaploid wheats to increase the existing gene pool of resistance to stripe rust.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00027057
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