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RGG1, Involved in the Cytokinin Regulatory Pathway, Controls Grain Size in Rice
Heterotrimeric GTP binding proteins (G proteins) and cytokinin play important roles in regulating plant growth and development. However, little is known about the mechanism by which they coordinate the regulation of grain size in rice. We functionally characterized one gene, RGG1, encoding a type-A Gγ subunit. Strong GUS staining was detected in young panicles and spikelets, suggesting a role for this gene in modulating panicle-related trait development. Overexpression of RGG1 in Nipponbaredoi:10.1186/s12284-020-00436-x pmid:33169285 fatcat:ulfgwpzzabfotmjudwzn6oh5ly