The Rho-family GTPase OsRac1 controls rice grain size and yield by regulating cell division
Year: 2019
Type: article
Abstract: by nearly 16%. In contrast, down-regulation or deletion of OsRac1 causes the opposite effects. RNA-seq and cell cycle analyses suggest that OsRac1 promotes cell division. Interestingly, OsRac1 interacts with and regulates the phosphorylation level of OsMAPK6, which is known to regulate cell division and grain size in rice. Thus, our findings suggest OsRac1 modulates rice grain size and yield by influencing cell division. This study provides insights into the molecular mechanisms underlying the control of rice grain size and suggests that OsRac1 could serve as a potential target gene for breeding high-yield crops.
Institutions: Chinese Academy of Sciences, Center for Excellence in Molecular Plant Sciences, University of Chinese Academy of Sciences, Fujian Agriculture and Forestry University, Shanghai Institutes for Biological Sciences, Shanghai Jiao Tong University, University of California, Riverside, Institute for Integrative Genome Biology
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: green
OpenAlex ID: W2963973026