Sporulation in soil as an over-winter survival strategy in Saccharomyces cerevisiae

Knight, Sarah J. and Goddard, Matthew R. (2016) Sporulation in soil as an over-winter survival strategy in Saccharomyces cerevisiae. FEMS Yeast Research, 16 (1). ISSN 1567-1356

Full content URL: http://dx.doi.org/10.1093/femsyr/fov102

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Abstract

Due to its commercial value and status as a research model there is an extensive body of knowledge concerning Saccharomyces cerevisiae’s cell biology and genetics. Investigations into S. cerevisiae’s ecology are comparatively lacking, and are mostly focussed on the behaviour of this species in high sugar, fruit-based environments; however, fruit is ephemeral and presumably S. cerevisiae has evolved a strategy to survive when this niche is not available. Among other places, S. cerevisiae has been isolated from soil which, in contrast to fruit, is a permanent habitat. We hypothesise that S. cerevisiae employs a life history strategy targeted at self-preservation rather than growth outside of the fruit niche, and resides in forest niches, such as soil, in a dormant and resistant sporulated state, returning to fruit via vectors such as insects. One crucial aspect of this hypothesis is that S. cerevisiae must be able to sporulate in the ‘forest’ environment. Here we provide the first evidence for a natural environment (soil) where S. cerevisiae sporulates. While there are further aspects of this hypothesis that require experimental verification, this is the first step towards an inclusive understanding of the more cryptic aspects of S. cerevisiae’s ecology.

Keywords:Yeast, Ecology
Subjects:C Biological Sciences > C180 Ecology
C Biological Sciences > C220 Mycology
C Biological Sciences > C500 Microbiology
Divisions:College of Science > School of Life Sciences
ID Code:19563
Deposited On:12 Nov 2015 22:10

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