J Integr Plant Biol. ›› 2019, Vol. 61 ›› Issue (5): 533-540.DOI: 10.1111/jipb.12769

Special Issue: Rice Genomics and Agriculture

• Invited Expert Reviews • Previous Articles     Next Articles

Control of grain size by G protein signaling in rice

Ran Xu1†, Na Li1† and Yunhai Li1,2*   

  1. 1State Key Laboratory of Plant Cell and Chromosome Engineering, CAS Center for Excellence in Molecular Plant Sciences, Institute of Genetics and Developmental Biology, the Chinese Academy of Sciences, Beijing 100101, China
    2The University of Chinese Academy of Sciences, Beijing 100039, China

    These authors contributed equally to this work.

    Email: Yunhai Li (yhli@genetics.ac.cn)
  • Received:2018-08-21 Accepted:2018-12-24 Online:2018-12-31 Published:2019-05-01

Abstract: Heterotrimeric G proteins are involved in multiple cellular processes in eukaryotes by sensing and transducing various signals. G protein signaling in plants is quite different from that in animals, and the mechanisms of plant G protein signaling are still largely unknown. Several recent studies have provided new insights into the mechanisms of G protein signaling in rice grain size and yield control. In this review, we summarize recent advances on the function of G proteins in rice grain size control and discuss the potential genetic and molecular mechanisms of plant G protein signaling.

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