Attenuated Codon Optimality Contributes to Neural-Specific mRNA Decay in Drosophila.
Attenuated Codon Optimality Contributes to Neural-Specific mRNA Decay in Drosophila.
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DOI:
10.1016/j.celrep.2018.07.039
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发表时间:
2018-08-14
期刊:
影响因子:
8.8
通讯作者:
Cleary MD
中科院分区:
文献类型:
--
作者:
Burow DA;Martin S;Quail JF;Alhusaini N;Coller J;Cleary MD
Tissue-specific mRNA stability is important for cell fate and physiology, but the mechanisms involved are not fully understood. We found that zygotic mRNA stability in Drosophila correlates with codon content: optimal codons are enriched in stable transcripts associated with metabolic functions like translation, while non-optimal codons are enriched in unstable transcripts, including those associated with neural development. Bioinformatic analyses and reporter assays revealed that similar codons stabilize or destabilize mRNAs in the nervous system and other tissues, but the link between codon content and stability is attenuated in the nervous system. We confirmed that optimal codons are decoded by abundant tRNAs while non-optimal codons are decoded by less abundant tRNAs in embryos and in the nervous system. We conclude that codon optimality is a general determinant of zygotic mRNA stability, and attenuation of codon optimality allows trans-acting factors to exert greater influence over mRNA decay in the nervous system. Burow et al. report that codon optimality is a general determinant of zygotic mRNA stability in Drosophila embryos, but the link between codons and stability is weak in the nervous system. Bioinformatics, reporter transcript assays, and tRNA quantitation show that the attenuation of codon optimality establishes neuralspecific mRNA decay.
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DOI:
10.1073/pnas.96.8.4482
发表时间:
1999-04-13
影响因子:
11.1
作者:
Duret, L;Mouchiroud, D
通讯作者:
Mouchiroud, D
DOI:
10.1073/pnas.94.15.7784
发表时间:
1997-07-22
影响因子:
11.1
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Cleary MD
影响因子:
64.5
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Coller J
影响因子:
64.5
作者:
McMahon, Aoife C.;Rahman, Reazur;Jin, Hua;Shen, James L.;Fieldsend, Allegra;Luo, Weifei;Rosbash, Michael
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