European derived Saccharomyces cerevisiae colonization of New Zealand vineyards aided by humans

Goddard, Matthew, Gayevskiy, Velimir and Lee, Soon (2016) European derived Saccharomyces cerevisiae colonization of New Zealand vineyards aided by humans. FEMS Yeast Research, 16 (7). fow091. ISSN 1567-1356

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Humans have acted as vectors for species and expanded their ranges since at least the dawn of agriculture. While relatively well characterized for macrofauna and macroflora, the extent and dynamics of human-aided microbial dispersal is poorly described. We studied the role which humans have played in manipulating the distribution of Saccharomyces cerevisiae, one of the world’s most important microbes, using whole genome sequencing. We include 52 strains representative of the diversity in New Zealand to the global set of genomes for this species. Phylogenomic approaches show an exclusively European origin of the New Zealand population, with a minimum of ten founder events mostly taking place over the last 1,000 years. Our results show that humans have expanded the range of S. cerevisiae and transported it to New Zealand where it was not previously present, where it has now become established in vineyards, but radiation to native forests appears limited.

Keywords:Phylogenomics, yeast, population genetics, genomics, bmjconvert, JCOpen
Subjects:C Biological Sciences > C170 Population Biology
C Biological Sciences > C400 Genetics
C Biological Sciences > C181 Biodiversity
C Biological Sciences > C100 Biology
Divisions:College of Science > School of Life Sciences
ID Code:24583
Deposited On:12 Oct 2016 17:35

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