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The rice Os02g0811000 was reported as BLS1 in 2012 [1] by researchers from China.

Annotated Information

Figure 8. Subcellular localization of BLS1.[1].

Gene Symbol

  • Os02g0811000 <=> OsBLS1,BLS1


  • BLS1 is required for lateral development of the lemma and palea in Rice, and does not function at stages of floral-organ initiation and patterning

Phenotypic analysis

  • In bls1 mutant, floral-organ identity and floral-organ patterning are normal, and the defects occur at the stage of the lemma and palea expansion, whereas the other aspects of floral architecture and form are not affected.


  • BLS1 is expressed strongly in young inflorescence, specifically the young lemmas and paleas of spikelets.

Subcellular localization

  • Subcellular localization analysis showed that BLS1 is localized in the nucleus.

Labs working on this gene

  • National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
  • National Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing 210095, China


  1. 1.0 1.1 Ma, Xiaoding, et al. "BEAK LIKE SPIKELET1 is required for lateral development of lemma and palea in rice." Plant Molecular Biology Reporter 31.1 (2013): 98-108.

Structured Information