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Farnesol inhibits translation to limit growth and filamentation in C. albicans and S. cerevisiae.


ABSTRACT: Candida albicans is a polymorphic yeast where the capacity to switch between yeast and filamentous growth is critical for pathogenicity. Farnesol is a quorum-sensing sesquiterpene alcohol that, via regulation of specific signalling and transcription components, inhibits filamentous growth in Candida albicans. Here we show that farnesol also inhibits translation at the initiation step in both Candida albicans and S. cerevisiae. In contrast to fusel alcohols, that target the eukaryotic initiation factor 2B (eIF2B), farnesol affects the interaction of the mRNA with the small ribosomal subunit leading to reduced levels of the 48S preinitiation ribosomal complex in S. cerevisiae. Therefore, farnesol targets a different step in the translation pathway than fusel alcohols to elicit a completely opposite physiological outcome by negating filamentous growth.

SUBMITTER: Egbe NE 

PROVIDER: S-EPMC5597792 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Farnesol inhibits translation to limit growth and filamentation in <i>C. albicans</i> and <i>S. cerevisiae</i>.

Egbe Nkechi E NE   Dornelles Tawni O TO   Paget Caroline M CM   Castelli Lydia M LM   Ashe Mark P MP  

Microbial cell (Graz, Austria) 20170904 9


<i>Candida albicans</i> is a polymorphic yeast where the capacity to switch between yeast and filamentous growth is critical for pathogenicity. Farnesol is a quorum-sensing sesquiterpene alcohol that, via regulation of specific signalling and transcription components, inhibits filamentous growth in <i>Candida albicans</i>. Here we show that farnesol also inhibits translation at the initiation step in both <i>Candida albicans</i> and <i>S. cerevisiae</i>. In contrast to fusel alcohols, that targe  ...[more]

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