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Cloning and Characterization of Protein Prenyltransferase Alpha Subunit in Rice

文献类型： 外文期刊

作者： Wang Tao 1 ; Lou Lijuan 1 ; Li Zeyu 1 ; Shang Lianguang 1 ; Wang Quan 1 ;

作者机构： 1.Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Guangdong Lab Lingnan Modern Agr, Genome Anal Lab,Minist Agr & Rural Affairs,Shenzh, Shenzhen 518120, Peoples R China

关键词： protein prenylation; plant development; rice; pollen viability

期刊名称：RICE SCIENCE （ 影响因子：3.333； 五年影响因子：4.226 ）

ISSN： 1672-6308

年卷期： 2021 年 28 卷 6 期

页码：

收录情况： SCI

摘要： Protein prenylation plays a crucial role in plant development and stress response. We report the function of prenyltransferase alpha-subunit in rice. Protein-protein interactions showed that the farnesyltransferase (OsPFT)/geranylgeranyltransferase-I (OsPGGT I-beta) protein interacted together with OsPFT-beta and OsPGGT I-beta. The a-and beta-subunits of OsPFT formed a heterodimer for the transfer of a farnesyl group from farnesyl pyrophosphate to the CaaX-box-containing peptide N-dansyl-GCVLS. Furthermore, the tissue expression patterns of the OsPFT and OsPGGT I subunits were similar, and these subunits were localized in the cytoplasm and nucleus. Moreover, OsPFT/OsPGGT I-alpha-deletion homozygous rice mutants had a lethal phenotype, and the heterozygous mutants exhibited reduced pollen viability. These results indicated that prenylation plays an important role in rice development.

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