Os05g0276100

The rice Os05g0276100 was reported as OsCHX14 in 2014 by researchers from Netherlands, UK and China.

Annotated Information

Gene Symbol

• Os04g0459000 <=> OsCHX14

Function

• OsCHX14 may play an important role in K+ homeostasis during flowering in rice.

Expression

• Expression profiling confirmed that among 17 CHX genes in rice, OsCHX14 was the only member that showed an expression polymorphism, not only in osjar1 mutants but also in RNAi (RNA interference) lines of OsCOI1, another key member of the JA signaling pathway. This suggests that the expression of OsCHX14 is regulated by the JA signaling pathway.
• Promoter–b-glucuronidase (GUS) analysis of transgenic rice revealed that OsCHX14 is mainly expressed in lodicules and the region close by throughout the flowering process.

Subcellular localization

• OsCHX14 is localized to the endoplasmic reticulum. The OsCHX14 ORF was cloned in-frame with a GFP reporter gene and transiently expressed in Arabidopsis root protoplasts together with an ER marker tagged with an RFP reporter.

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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.