Late Pleistocene-dated divergence between South Hemisphere populations of the non-conventional yeast L. cidri

被引:5
|
作者
Villarreal, Pablo [1 ,2 ]
Villarroel, Carlos [2 ,3 ,4 ]
O'Donnell, Samuel [5 ]
Agier, Nicolas [5 ]
Quintero-Galvis, Julian [2 ,6 ]
Pena, Tomas [1 ,2 ]
Nespolo, Roberto [2 ,6 ,7 ,8 ]
Fischer, Gilles [5 ]
Varela, Cristian [9 ,10 ]
Cubillos, Francisco [1 ,2 ,8 ]
机构
[1] Univ Santiago Chile, Fac Quim & Biol, Dept Biol, Santiago 9170022, Chile
[2] Millennium Inst Integrat Biol iBio, Santiago, Chile
[3] Univ Talca, Inst Ciencias Biol, Talca, Chile
[4] Univ Talca, Inst Invest Interdisciplinaria I3, Talca, Chile
[5] Sorbonne Univ, Inst Biol Paris Seine, Lab Computat & Quantitat Biol, CNRS, Paris, France
[6] Univ Austral Chile, Inst Ciencias Ambientales & Evolut, Valdivia, Chile
[7] Univ Catolica Chile, Fac Ciencias Biol, Ctr Appl Ecol & Sustainabil CAPES, Santiago, Chile
[8] Millenium Nucleus Patagonian Limit Life LiLi, Valdivia, Chile
[9] Australian Wine Res Inst, Adelaide, SA, Australia
[10] Univ Adelaide, Dept Wine & Food Sci, Adelaide, SA, Australia
关键词
SACCHAROMYCES-CEREVISIAE; CACHACA FERMENTATION; LACHANCEA; IDENTIFICATION; EVOLUTION; GENOMICS; DOMESTICATION; SOFTWARE; DIVERSITY; CLUSTERS;
D O I
10.1111/1462-2920.16103
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Most organisms belonging to the Saccharomycotina subphylum have high genetic diversity and a vast repertoire of metabolisms and lifestyles. Lachancea cidri is an ideal yeast model for exploring the interplay between genetics, ecological function and evolution. Lachancea cidri diverged from the Saccharomyces lineage before the whole-genome duplication and is distributed across the South Hemisphere, displaying an important ecological success. We applied phylogenomics to investigate the genetic variation of L. cidri isolates obtained from Australia and South America. Our approach revealed the presence of two main lineages according to their geographic distribution (Aus and SoAm). Estimation of the divergence time suggests that SoAm and Aus lineages diverged near the last glacial maximum event during the Pleistocene (64-8 KYA). Interestingly, we found that the French reference strain is closely related to the Australian strains, with a recent divergence (405-51 YA), likely associated to human movements. Additionally, we identified different lineages within the South American population, revealing that Patagonia contains a similar genetic diversity comparable to that of other lineages in S. cerevisiae. These findings support the idea of a Pleistocene-dated divergence between South Hemisphere lineages, where the Nothofagus and Araucaria ecological niches likely favoured the extensive distribution of L. cidri in Patagonia.
引用
收藏
页码:5615 / 5629
页数:15
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