Compartmentalised RNA catalysis in membrane-free coacervate protocells.

Compartmentalised RNA catalysis in membrane-free coacervate protocells.
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DOI:
10.1038/s41467-018-06072-w
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发表时间:
2018-09-07
影响因子:
16.6
通讯作者:
Tang TD
Tang TD
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Drobot B;Iglesias-Artola JM;Le Vay K;Mayr V;Kar M;Kreysing M;Mutschler H;Tang TD

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Phase separation of mixtures of oppositely charged polymers provides a simple and direct route to compartmentalisation via complex coacervation, which may have been important for driving primitive reactions as part of the RNA world hypothesis. However, to date, RNA catalysis has not been reconciled with coacervation. Here we demonstrate that RNA catalysis is viable within coacervate microdroplets and further show that these membrane-free droplets can selectively retain longer length RNAs while permitting transfer of lower molecular weight oligonucleotides. Phase separation of mixtures of oppositely charged polymers provides a simple and direct route to compartmentalisation via coacervation. Here authors demonstrate that a coacervate microenvironment supports RNA catalysis whilst selectively sequestering RNA based on length.
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