d14, a Strigolactone-Insensitive Mutant of Rice, Shows an Accelerated Outgrowth of Tillers
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چکیده
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The interaction between OsMADS57 and OsTB1 modulates rice tillering via DWARF14
Rice tillering is a multigenic trait that influences grain yield, but its regulation molecular module is poorly understood. Here we report that OsMADS57 interacts with OsTB1 (TEOSINTE BRANCHED1) and targets D14 (Dwarf14) to control the outgrowth of axillary buds in rice. An activation-tagged mutant osmads57-1 and OsMADS57-overexpression lines showed increased tillers, whereas OsMADS57 antisense...
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Antagonistic action of strigolactone and cytokinin in bud outgrowth control.
Cytokinin (CK) has long been implicated as a promoter of bud outgrowth in plants, but exactly how this is achieved in coordination with other plant hormones is unclear. The recent discovery of strigolactones (SLs) as the long-sought branch-inhibiting hormone allowed us to test how CK and SL coordinately regulate bud outgrowth in pea (Pisum sativum). We found that SL-deficient plants are more se...
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ژورنال
عنوان ژورنال: Plant and Cell Physiology
سال: 2009
ISSN: 1471-9053,0032-0781
DOI: 10.1093/pcp/pcp091