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Determination of mRNA half-lives in Candida albicans using thiolutin as a transcription inhibitor.


PMID 17036064

Abstract

A method for determining mRNA half-lives in the polymorphic fungus Candida albicans is described. It employs growth in a defined medium, the inhibition of transcription with thiolutin (10-20 microg/mL), and quantitative Northern blotting. The method is effective for the A72, SC5314, and CAI-4 strains of C. albicans, and for mRNAs that have a wide variety of decay rates and steady-state abundances. The range of half-lives detected (from 4-168 min) shows that this method is effective for mRNAs with widely varying half-lives. The mRNA decay rates obtained are compared with those for orthologous mRNAs from Saccharomyces cerevisiae. This procedure should work for a broad range of C. albicans strains and can be adapted to other fungal species.

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T3450
Thiolutin, from Streptomyces luteosporeus, ≥95% (HPLC)
C8H8N2O2S2