Os11g0687800

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The rice gene Os11g0687800 was reported as Pik1 in 2011[1] by researchers from China.

Annotated Information

Gene Symbol

  • Os11g0687800 <=> Pik1, OsPik1

Function

  • Both Pik-1 and Pik-2 encode coiled-coil nucleotide binding site leucine-rich repeat (NBS-LRR) proteins, and each shares a very high level of protein identity with corresponding proteins encoded by the Pik-m and Pik-p alleles.
  • A combination of Pik-1 and Pik-2 is required for the expression of Pik resistance.

Expression

  • Real-time RT-PCR analysis was used to characterize the expression of Pik-1 and Pik-2 in plants challenged by the Pik-avirulent blast isolate CHL381. Both were constitutively expressed, although at a low level. Following inoculation, the level of transcript for both genes declined further up to 12 h post-inoculation, thereafter increasing marginally to the steady-state level by 72 h post-inoculation. As a similar expression profile was also observed using a mock inoculation, it is possible that both genes were responding to abiotic stress.

Evolution

Fig. 7 Phylogeny of the Pik family, including rice and sorghum sequences sharing > 30% identity at the peptide level. [1].

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Labs working on this gene

  • Laboratory of Plant Resistance and Genetics, College of Resources and Environmental Sciences, South China Agricultural University, Guangzhou, 510642, China;
  • Rice Research Institute, Guangdong Provincial Academy of Agricultural Sciences, Guangzhou, 510640, China

References

  1. 1.0 1.1 Zhai C, Lin F, Dong Z, He X, Yuan B, Zeng X, Wang L, Pan Q. The isolation and characterization of Pik, a rice blast resistance gene which emerged after rice domestication. New Phytol. 2011 Jan;189(1):321-34. doi: 10.1111/j.1469-8137.2010.03462.x. PubMed PMID: 21118257.


Structured Information