- International Journal of Systematic and Evolutionary Microbiology
- Volume 49, Issue 4
f A natural chimeric yeast containing genetic material from three species
- Authors: Casper Groth, Jørgen Hansen, Jure Piškur
- Author for correspondence: Jure Piškur. Tel: +45 4525 2518. Fax: +45 4593 2809. e-mail: email@example.com
- Int J Syst Evol Microbiol, October 1999 49: 1933-1938, doi: 10.1099/00207713-49-4-1933
- Subject: Evolution, Phylogeny And Biodiversity
- Published Online:
The Saccharomyces sp. CID1 isolate (CBS 8614) and several other Saccharomyces sensu stricto yeasts were analysed for their mitochondrial and nuclear genes. The data show that Saccharomyces sp. CID1, found so far only in one location in Europe, is a natural hybrid between three different Saccharomyces yeast species. Two of them, Saccharomyces cerevisiae-like and Saccharomyces bayanus-like, are ubiquitous and contributed parts of the nuclear genome; the third, Saccharomyces sp. IFO 1802-like, which has been found only in Japan, contributed the mitochondrial DNA molecule. These data suggest that the yeast cell is able to accommodate, express and propagate genetic material that originates from different species, and the very existence of the resulting natural hybrids indicates that such hybrids are well adapted to their habitats.
The GenBank/EMBL accession numbers for the nuclear MET2 and mitochondrial ATP8, ATP9 and SSU gene sequences reported in this study are AF112009, AF112010, AF114899, AF114901–AF114906 AF114908, AF114909, AF114911–AF114916, AF114918–AF114920, AF114922–AF114924, AF114927, AF114929, AF114930 and AF114933.
© 1999 International Union of of Microbiological Societies | Published by the Microbiology Society
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