Os04g0460200

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The rice Os04g0460200 was reported as Bh4 in 2011 [1] by researchers from China and Japan.

Annotated Information

Gene Symbol

  • Os04g0460200 <=> Bh4,OsBh4
Figure 4C. Subcellular localization of the P 35S -GFP-Bh4 fusion protein.[1].

Function

  • Bh4 encodes an amino acid transporter.
  • A 22-bp deletion within exon 3 of the bh4 variant disrupted the Bh4 function, leading to the straw-white hull in cultivated rice.
  • Transgenic study indicated that Bh4 could restore the black pigment on hulls in cv Guangluai 4 and Kasalath.

Evolution

  • Phylogenetic comparison of OsBH4 protein and other amino acid trans porters showed that BH4 was closely related to AtANT1, an aromatic and neutral amino acid trans- porter in Arabidopsis.

Subcellular localization

Subcellular Localization analysis showed that OsBH4 was located not only at the plasma membrane but also at other cellular compartments.

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Labs working on this gene

  • Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100029, China
  • Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200233, China;
  • Plant Genome Center, Ibaraki 305–0856, Japan
  • State Key Laboratory of Rice Biology, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310006, China
  • Department of Plant Biology, Michigan State University, East Lansing, Michigan 48824
  • Biotechnology Institute, Zhejiang University, Hangzhou 310029, China

References

  1. 1.0 1.1 Zhu BF, Si L, Wang Z, Zhou Y, Zhu J, Shangguan Y, Lu D, Fan D, Li C, Lin H, Qian Q, Sang T, Zhou B, Minobe Y, Han B. Genetic control of a transition from black to straw-white seed hull in rice domestication. Plant Physiol. 2011 Mar;155(3):1301-11. doi: 10.1104/pp.110.168500. Epub 2011 Jan 24. PubMed PMID: 21263038;

Structured Information