A Nucleus-Encoded Chloroplast Protein YL1 Is Involved in Chloroplast Development and Efficient Biogenesis of Chloroplast ATP Synthase in Rice.
A Nucleus-Encoded Chloroplast Protein YL1 Is Involved in Chloroplast Development and Efficient Biogenesis of Chloroplast ATP Synthase in Rice.
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核编码的叶绿体蛋白 YL1 参与水稻叶绿体发育和叶绿体 ATP 合酶的高效生物合成
DOI:
10.1038/srep32295
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发表时间:
2016-09-02
影响因子:
4.6
通讯作者:
Yu Y
中科院分区:
文献类型:
--
作者:
Chen F;Dong G;Wu L;Wang F;Yang X;Ma X;Wang H;Wu J;Zhang Y;Wang H;Qian Q;Yu Y
Chloroplast ATP synthase (cpATPase) is an importance thylakoid membrane-associated photosynthetic complex involved in the light-dependent reactions of photosynthesis. In this study, we isolated and characterized a rice (Oryza sativa) mutant yellow leaf 1 (yl1), which exhibits chlorotic leaves throughout developmental stages. The YL1 mutation showed reduced chlorophyll contents, abnormal chloroplast morphology, and decreased photochemical efficiency. Moreover, YL1 deficiency disrupts the expression of genes associated with chloroplast development and photosynthesis. Molecular and genetic analyses revealed that YL1 is a nucleus-encoded protein with a predicted transmembrane domain in its carboxyl-terminus that is conserved in the higher plant kingdom. YL1 localizes to chloroplasts and is preferentially expressed in green tissues containing chloroplasts. Immunoblot analyses showed that inactivation of YL1 leads to drastically reduced accumulation of AtpA (α) and AtpB (β), two core subunits of CF1αβ subcomplex of cpATPase, meanwhile, a severe decrease (ca. 41.7%) in cpATPase activity was observed in the yl1-1 mutant compared with the wild type. Furthermore, yeast two-hybrid and bimolecular fluorescence complementation assays revealed a specific interaction between YL1 and AtpB subunit of cpATPase. Taken together, our results suggest that YL1 is a plant lineage-specific auxiliary factor involved in the biogenesis of the cpATPase complex, possibly via interacting with the β-subunit.
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影响因子:
3.7
作者:
Fristedt R;Martins NF;Strenkert D;Clarke CA;Suchoszek M;Thiele W;Schöttler MA;Merchant SS
通讯作者:
Merchant SS
影响因子:
3.3
作者:
Fox, Thomas D.
通讯作者:
Fox, Thomas D.
DOI:
10.1073/pnas.91.24.11497
发表时间:
1994-11-22
影响因子:
11.1
作者:
CHEN, GG;JAGENDORF, AT
通讯作者:
JAGENDORF, AT
影响因子:
4.8
作者:
Chen, Fei;Wang, Fang;Wu, Feibo
通讯作者:
Wu, Feibo
影响因子:
14.9
作者:
Chenna, R;Sugawara, H;Thompson, JD
通讯作者:
Thompson, JD