Os06g0136900

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The rice gene Os06g0136900 was reported as dp1 in 2011[1] by researchers from China.

Annotated Information

Gene Symbol

  • Os06g0136900 <=> DP1,OSDP1

Function

  • DP1 gene encodes a nuclear-localized AT-hook DNA binding protein, suggesting a grass-specific role of chromatin architecture modification in flower development.
  • The researchers further found that SDP1/REP1 is downstreamly regulated by DP1.

Mutation

  • The depressed palea1 (dp1) mutants show a primary defect in the main structure of palea, implying that palea is a fusion between the main structure and marginal tissues on both sides. The sterile lemma at the palea side is occasionally elongated in dp1 mutants. In addition, we found a floral organ number increase in dp1 mutants at low penetration.
Fig. 1. Phenotype of dp1mutants. [1].

Expression

Evolution

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Labs working on this gene

  • State Key Laboratory of Plant Genomics and National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences,

Beijing 100101, China

  • Ministry of Education Key Laboratory of Agriculture Biodiversity for Plant Disease Management, Key Laboratory of Plant Pathology of Yunnan Province, Yunnan Agricultural University,

Kunming 650201, China

  • Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100029, China
  • National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China

References

  1. 1.0 1.1 Jin Y, Luo Q, Tong H, Wang A, Cheng Z, Tang J, Li D, Zhao X, Li X, Wan J, Jiao Y, Chu C, Zhu L. An AT-hook gene is required for palea formation and floral organ number control in rice. Dev Biol. 2011 Nov 15;359(2):277-88. doi: 10.1016/j.ydbio.2011.08.023. PubMed PMID: 21924254.


Structured Information