OsSPL14 promotes panicle branching and higher grain productivity in rice

Kotaro Miura, Mayuko Ikeda, Atsushi Matsubara, Xian-Jun Song, Midori Ito, Kenji Asano, Makoto Matsuoka, Hidemi Kitano, Motoyuki Ashikari
Nature Genetics, 2010, 42(6): 545-549  DOI: 10.1038/ng.592     追溯原文......本站官方QQ群:62473826

Identification of alleles that improve crop production and lead to higher-yielding varieties are needed for food security. Here we show that the quantitative trait locus WFP (WEALTHY FARMER'S PANICLE) encodes OsSPL14 (SQUAMOSA PROMOTER BINDING PROTEIN-LIKE 14, also known as IPA1). Higher expression of OsSPL14 in the reproductive stage promotes panicle branching and higher grain yield in rice. OsSPL14 controls shoot branching in the vegetative stage and is affected by microRNA excision. We also demonstrate the feasibility of using the OsSLP14WFP allele to increase rice crop yield. Introduction of the high-yielding OsSPL14WFP allele into the standard rice variety Nipponbare resulted in increased rice production.

  Squamosa启动子结合蛋白基因 OsSPL14; IPA1;WFP