Os09g0529700

The rice Os09g0529700 was reported as OsVPS22,VPS22 in 2013 by researchers from China.

Annotated Information

Figure 4. Morphology of the endosperm in the vps22 mutants and wild-type..

Gene Symbol

• Os09g0529700 <=> OsVPS22,VPS22

Function

• OsVPS22 encodes a functional VPS22 homolog in rice.
• OsVPS22 may be required for seedling viability and grain filling in rice, thus providing a valuable resource for further exploration of the functions of the ESCRTing machinery in plants.

Phenotypic analysis

• The central portion of the dehusked seeds of mutants showed the endosperm with a dark central portion (Fig. 4B), whereas the wild-type control seeds showed a transparent normal endosperm on an illuminator (Fig. 4A).
• Notably, in the mutant endosperms, a dark central portion is commonly evident and is characteristic of a floury white-core endosperm.
• Transverse section of the mature seeds of rice mutant further revealed that the central portion of the endosperm showed floury or floury-like phenotype (Fig. 4D), whereas the seeds of wild-type rice plants showed normal development (Fig. 4C).

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Labs working on this gene

• College of Agriculture, South China Agricultural University, Guangzhou 510642, China
• MOE Key Laboratory of Bio-resources and Eco-environment, College of Life Sciences, Sichuan University, Chengdu 610064, China