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A temporal gradient of cytonuclear coordination of chaperonins and chaperones during RuBisCo biogenesis in allopolyploid plants

文献类型： 外文期刊

作者： Li, Changping 1 ; Ding, Baoxu 1 ; Ma, Xintong 1 ; Yang, Xuan 1 ; Wang, Hongyan 2 ; Dong, Yuefan 1 ; Zhang, Zhibin 1 ; Wang, Jinbin 1 ; Li, Xiaochong 1 ; Yu, Yanan 1 ; Yu, Yiyang 1 ; Liu, Bao 1 ; Wendel, Jonathan F. 3 ; Li, Yidan 4 ; Wang, Tianya 1 ; Gong, Lei 1 ;

作者机构： 1.Northeast Normal Univ, Minist Educ MOE, Key Lab Mol Epigenet, Changchun 130024, Jilin, Peoples R China

2.Liaoning Univ, Sch Life Sci, Lab Plant Epigenet & Evolut, Shenyang 110036, Peoples R China

3.Iowa State Univ, Dept Ecol Evolut & Organismal Biol, Ames, IA 50011 USA

4.Jilin Acad Agr Sci, Inst Agr Biotechnol, Changchun 130024, Jilin, Peoples R China

关键词： RuBisCo; cytonuclear coevolution/coordination; chaperonin; chaperone; allopolyploids

期刊名称：PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA （ 影响因子：12.779； 五年影响因子：13.45 ）

ISSN： 0027-8424

年卷期： 2022 年 119 卷 34 期

页码：

收录情况： SCI

摘要： Ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCo) has long been studied from many perspectives. As a multisubunit (large subunits [LSUs] and small subunits[SSUs]) protein encoded by genes residing in the chloroplast (rbcL) and nuclear (rbcS) genomes, RuBisCo also is a model for cytonuclear coevolution following allopolyploid speciation in plants. Here, we studied the genomic and transcriptional cytonuclear coordination of auxiliary chaperonin and chaperones that facilitate RuBisCo biogenesis across multiple natural and artificially synthesized plant allopolyploids. We found similar genomic and transcriptional cytonuclear responses, including respective paternal-to-maternal conversions and maternal homeologous biased expression, in chaperonin/chaperon-assisted folding and assembly of RuBisCo in different allopolyploids. One observation is about the temporally attenuated genomic and transcriptional cytonuclear evolutionary responses during early folding and later assembly process of RuBisCo biogenesis, which were established by long-term evolution and immediate onset of allopolyploidy, respectively. Our study not only points to the potential widespread and hitherto unrecognized features of cytonuclear evolution but also bears implications for the structural interaction interface between LSU and Cpn60 chaperonin and the functioning stage of the Raf2 chaperone.

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