A poly(A) binding protein functions in the chloroplast as a message-specific translation factor.
A poly(A) binding protein functions in the chloroplast as a message-specific translation factor.
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Poly(A) 结合蛋白在叶绿体中作为信息特异性翻译因子发挥作用。
DOI:
10.1073/pnas.95.5.2238
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发表时间:
1998
影响因子:
11.1
通讯作者:
Mayfield,SP
中科院分区:
文献类型:
--
作者:
Yohn,CB;Cohen,A;Danon,A;Mayfield,SP
High-affinity binding of a set of proteins with specificity for the 5′ untranslated region (UTR) of theChlamydomonas reinhardtiichloroplastpsbAmRNA correlates with light-regulated translational activation of this message. We have isolated a cDNA encoding the mainpsbARNA binding protein, RB47, and identified this protein as a member of the poly(A) binding protein family. Poly(A) binding proteins are a family of eukaryotic, cytoplasmic proteins thought to bind poly(A) tails of mRNAs and play a role in translational regulation.In vitrotranslation of RNA transcribed from the RB47 cDNA produces a precursor protein that is efficiently transported into the chloroplast and processed to the mature 47-kDa protein. RB47 expressed and purified fromEscherichia colibinds to thepsbA5′ UTR with similar specificity and affinity as RB47 isolated fromC. reinhardtiichloroplasts. The identification of a normally cytoplasmic translation factor in the chloroplast suggests that the prokaryotic-like chloroplast translation machinery utilizes a eukaryotic-like initiation factor to regulate the translation of a key chloroplast mRNA. These data also suggest that poly(A) binding proteins may play a wider role in translation regulation than previously appreciated.
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影响因子:
4.8
作者:
K. Cline;M. Werner;T. Lubben;K. Keegstra
通讯作者:
K. Keegstra
DOI:
--
发表时间:
1992
期刊:
Annual Review of Cell Biology
影响因子:
--
作者:
J. Rochaix
通讯作者:
J. Rochaix
DOI:
10.1016/s0079-6603(08)60707-2
发表时间:
1990
期刊:
Progress in Nucleic Acid Research and Molecular Biology
影响因子:
--
作者:
M. Smit;J. Duin
通讯作者:
J. Duin
影响因子:
14.9
作者:
Thierry Grange;Cezar Martins de Sa;J. Oddos;Raymond Pictet
通讯作者:
Raymond Pictet
DOI:
--
发表时间:
1992
期刊:
Bio Systems
影响因子:
--
作者:
C. Morden;C. Delwiche;M. Kuhsel;J. Palmer
通讯作者:
J. Palmer