AB433345 DQ991205

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The rice gene AB433345_DQ991205 was reported as qSW5 in 2008[1] by researchers from Japan.

Annotated Information

Gene Symbol

  • AB433345_DQ991205 <=> qSW5, OsqSW5

Function

  • qSW5 gene may control cell number of the outer glume of the rice flower. As the Nipponbare allele of qSW5 behaves in a recessive manner in inheritance, it might have acquired a defect during domestication.

Mutation

  • The researchers found that a deletion in qSW5 resulted in a significant increase in sink size owing to an increase in cell number in the outer glume of the rice flower; this trait might have been selected by ancient humans to increase yield of rice grains.

Expression

Evolution

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Labs working on this gene

  • Institute of the Society for Techno-Innovation of Agriculture, Forestry, and Fisheries, 446-1 Ippaizuka, Kamiyokoba, Tsukuba,Ibaraki 305-0854, Japan.
  • Plant Genome Research Unit, National Institute of Agrobiological Sciences, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8602, Japan. *QTL Genomics Research Center, National Institute of Agrobiological Sciences, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8602, Japan.
  • Toyama Agricultural Research Center, 1124-1, Yoshioka, Toyama 939- 8153, Japan.

References

  1. Shomura A, Izawa T, Ebana K, et al. Deletion in a gene associated with grain size increased yields during rice domestication[J]. Nature genetics, 2008, 40(8): 1023-1028.