Journal
EUROPEAN PHYSICAL JOURNAL E
Volume 44, Issue 2, Pages -Publisher
SPRINGER
DOI: 10.1140/epje/s10189-021-00028-7
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Funding
- SERB, India [MTR/2019/000232]
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The study found that multiple small RNA molecules can independently control the mean and variance of proteins, which improves timing efficiency in post-transcriptional regulation.
The post-transcriptional regulation of a protein by multiple small RNA molecules has been formulated as a stochastic process. An approximate solution of the master equation shows that the protein statistics can exhibit a generic form applicable for many regulatory scenarios. The first passage time (FPT) statistics has been obtained for regulation by single sRNA, with negative and positive regulations as limiting cases, as well as regulation by multiple sRNAs. The multiple sRNAs are able to independently control protein mean and variance, and we show that this is an advantageous mechanism to control FPT fluctuations in order to improve timing efficiency in post-transcriptional regulation.
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