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Kenji Asano Ko Hirano Miyako Ueguchi-Tanaka Rosalyn B. Angeles-Shim Toshiro Komura Hikaru Satoh Hidemi Kitano Makoto Matsuoka Motoyuki Ashikari 《Molecular genetics and genomics : MGG》2009,281(2):223-231
sd1 is known as the ‘green revolution’ gene in rice because its application in rice breeding has dramatically increased rice
yield. Since the ‘green revolution,’ sd1 has been extensively used to produce modern semi-dwarf varieties. The extensive use of limited dwarfing sources may, however,
cause a bottleneck effect in the genetic background of rice varieties. To circumvent this problem, novel and useful sources
of dwarf genes must be identified. In this study, we identified three semi-dominant dwarf mutants. These mutants were categorized
as dn-type dwarf mutants according to the elongation pattern of internodes. Gibberellin (GA) response tests showed that the mutants
were still responsive to GA, although at a reduced rate. Map-based cloning revealed that the dwarf phenotype in these mutants
was caused by gain-of-function mutations in the N-terminal region of SLR1. Degradation of the SLR1 protein in these mutants
occurred later than in the wild type. Reduced interaction abilities of the SLR1 protein in these mutants with GID1 were also
observed using the yeast two-hybrid system. Crossing experiments indicated that with the use of an appropriate genetic background,
the semi-dominant dwarf alleles identified in this study could be used to alleviate the deficiency of dwarfing genes for breeding
applications. 相似文献
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Bessho‑Uehara Kanako Nugroho Jovano Erris Kondo Hirono Angeles-Shim Rosalyn B. Ashikari Motoyuki 《Journal of plant research》2019,132(4):569-569
Journal of Plant Research - The article Sucrose affects the developmental transition of rhizomes in Oryza longistaminata, written by Kanako Bessho-Uehara, Jovano Erris Nugroho, Hirono Kondo,... 相似文献
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