Schizosaccharomyces versatilis represents a distinct evolutionary lineage of fission yeast.

Autor: Etherington GJ; Research Faculty, The Earlham Institute, Norwich Research Park, Norwich, UK., Gil EG; Oliferenko Lab, The Francis Crick Institute, London, UK.; Randall Centre for Cell and Molecular Biophysics, School of Basic and Medical Biosciences, King's College London, London, UK., Haerty W; Research Faculty, The Earlham Institute, Norwich Research Park, Norwich, UK., Oliferenko S; Oliferenko Lab, The Francis Crick Institute, London, UK.; Randall Centre for Cell and Molecular Biophysics, School of Basic and Medical Biosciences, King's College London, London, UK., Nieduszynski CA; Research Faculty, The Earlham Institute, Norwich Research Park, Norwich, UK.; School of Biological Sciences, University of East Anglia, Norwich, UK.
Jazyk: angličtina
Zdroj: Yeast (Chichester, England) [Yeast] 2024 Mar; Vol. 41 (3), pp. 95-107. Date of Electronic Publication: 2023 Dec 26.
DOI: 10.1002/yea.3919
Abstrakt: The fission yeast species Schizosaccharomyces japonicus is currently divided into two varieties-S. japonicus var. japonicus and S. japonicus var. versatilis. Here we examine the var. versatilis isolate CBS5679. The CBS5679 genome shows 88% identity to the reference genome of S. japonicus var. japonicus at the coding sequence level, with phylogenetic analyses suggesting that it has split from the S. japonicus lineage 25 million years ago. The CBS5679 genome contains a reciprocal translocation between chromosomes 1 and 2, together with several large inversions. The products of genes linked to the major translocation are associated with 'metabolism' and 'cellular assembly' ontology terms. We further show that CBS5679 does not generate viable progeny with the reference strain of S. japonicus. Although CBS5679 shares closer similarity to the 'type' strain of var. versatilis as compared to S. japonicus, it is not identical to the type strain, suggesting population structure within var. versatilis. We recommend that the taxonomic status of S. japonicus var. versatilis is raised, with it being treated as a separate species, Schizosaccharomyces versatilis.
(© 2023 The Authors. Yeast published by John Wiley & Sons Ltd.)
Databáze: MEDLINE
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