Saccharomyces bulderi sp. nov., a yeast that ferments gluconolactone.

Antonie Van Leeuwenhoek

Laboratorium voor Microbiologie, Wageningen Agricultural University, P.O. Box 8033, 6700 EJ Wageningen, The Netherlands.

Published: April 2000

An unknown yeast species was isolated from maize silage and was determined to be novel on the basis of morphological and physiological characteristics, nucleotide sequence of domain D1/D2 of LSU rDNA and from its electrophoretic karyotype. The name for the proposed new species is Saccharomyces bulderi Middelhoven, Kurtzman et Vaughan-Martini (type strain CBS 8638, NRRL Y-27203, DBVPG 7127). S. bulderi is closely related to S. barnettii and S. exiguus from which it can be distinguished by having a double vitamin requirement of biotin and thiamine and by no or slow aerobic growth on raffinose, a sugar that on the contrary is fermented rapidly. Gluconolactone is rapidly fermented with ethanol, glycerol and carbon dioxide being the main products.

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Source
http://dx.doi.org/10.1023/a:1002414301967DOI Listing

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