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Multiplexed gene control reveals rapid mRNA turnover
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 3871698
Author(s) Baudrimont, Antoine; Voegeli, Sylvia; Viloria, Eduardo Calero; Stritt, Fabian; Lenon, Marine; Wada, Takeo; Jaquet, Vincent; Becskei, Attila
Author(s) at UniBasel Becskei, Attila
Baudrimont, Antoine
Vögeli, Sylvia
Calero Viloria, Eduardo
Wada, Takeo
Jaquet, Vincent
Year 2017
Title Multiplexed gene control reveals rapid mRNA turnover
Journal Science Advances
Volume 3
Number 7
Pages / Article-Number e1700006
Abstract The rates of mRNA synthesis and decay determine the mRNA expression level. The two processes are under coordinated control, which makes the measurements of these rates challenging, as evidenced by the low correlation among the methods of measurement of RNA half-lives. We developed a minimally invasive method, multiplexed gene control, to shut off expression of genes with controllable synthetic promoters. The method was validated by measuring the ratios of the nascent to mature mRNA molecules and by measuring the half-life with endogenous promoters that can be controlled naturally or through inserting short sequences that impart repressibility. The measured mRNA half-lives correlated highly with those obtained with the metabolic pulse-labeling method in yeast. However, mRNA degradation was considerably faster in comparison to previous estimates, with a median half-life of around 2 min. The half-life permits the estimation of promoter-dependent and promoter-independent transcription rates. The dynamical range of the promoter-independent transcription rates was larger than that of the mRNA half-lives. The rapid mRNA turnover and the broad adjustability of promoter-independent transcription rates are expected to have a major impact on stochastic gene expression and gene network behavior.
Publisher American Association for the Advancement of Science
ISSN/ISBN 2375-2548
edoc-URL http://edoc.unibas.ch/55660/
Full Text on edoc Available
Digital Object Identifier DOI 10.1126/sciadv.1700006
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/28706991
ISI-Number MEDLINE:28706991
Document type (ISI) Journal Article
 
   

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