Os03g0191400

The rice Os03g0191400 was reported as OsRab6a in 2016 by researchers from China.

Annotated Information

Gene Symbol

• Os04g0459000 <=> OsRab6B2,OsRab6a

Function

• OsRab6a plays an important role in the regulation of Fe acquisition in rice plants by modulating Downloaded from http://pcp.oxfordjournals.org/ at Loyola University of Chicago on April 25, 20164 physiological processes involved in Fe acquisition and root system architecture in response to Fe-deficient medium.

Expression

• The expression of OsRab6a was rapidly and transiently up-regulated by Fe deficiency.
• No differences in growth and development among the OsRab6a-overexpression, OsRab6a-RNAi and wild-type plants were detected when grown in Fe-sufficient medium.
• However, overexpression of OsRab6a conferred rice plants greater tolerance to Fe deficiency than RNAi and wild-type plants, as evidenced by higher seedling height, greater biomass, chlorophyll contents and Fe concentrations in shoots, roots and grains in the overexpression lines.
• Moreover, the overexpression lines exhibited greater root systems than wild-type and RNAi plants in Fe-deficient medium.

Subcellular localization

• The OsRab6a-GFP fusion gene and GFP gene were introduced into tobacco leaf cells by Agrobacterium-mediated transient transformation method, respectively. Both the OsRab6a-GFP fusion protein and GFP alone were expressed throughout the whole cell.

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Labs working on this gene

• State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China;
• Department of Biology - Plant Biology, University of Fribourg, Rue Albert-Gockel 3, CH-1700 Fribourg, Switzerland
• State Key Laboratory of Plant Genomics, National Center for Plant Gene Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.
• State Key Laboratory of Rice Biology, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
• State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.