Plant Mol Biol (2017) 94:469–480 DOI 10.1007/s11103-017-0618-4 MiR529a modulates panicle architecture through regulating SQUAMOSA PROMOTER BINDING-LIKE genes in rice (Oryza sativa) 1 1 1 1 1 Erkui Yue · Chao Li · Yu Li · Zhen Liu · Jian-Hong Xu Received: 29 November 2016 / Accepted: 9 May 2017 / Published online: 27 May 2017 © Springer Science+Business Media Dordrecht 2017 Abstract OsSPL17 and the complex networks formed by their path- Key message MiR529a affects rice panicle architecture way and downstream genes. These findings will provide by targeting OsSPL2,OsSPL14 and OsSPL17 genes that new genetic resources for reshaping ideal plant architecture could regulate their downstream panicle related genes. and breeding high yield rice varieties. Abstract The panicle architecture determines the grain yield and quality of rice, which could be regulated by Keywords Rice · Panicle architecture · SQUAMOSA many transcriptional factors. The SQUAMOSA PRO- PROMOTER BINDING-LIKE (SPL) · MiR529 MOTER BINDING-LIKE (SPL) transcription factors are involved in the regulation of panicle development, which are targeted by miR156 and miR529. The expression pro- Introduction file demonstrated that miR529a is preferentially expressed in the early panicle of rice and it might regulate panicle The panicle architecture is an important part of plant archi- development in rice. However, the regulation mechanism
Plant Molecular Biology – Springer Journals
Published: May 27, 2017
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