期刊
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
卷 103, 期 2, 页码 421-431出版社
SPRINGER
DOI: 10.1007/s10482-012-9822-z
关键词
New yeast species; Spathaspora; D-xylose-fermenting yeast; Rotting wood; Amazonian forest
类别
资金
- Brazilian agencies Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [552877/2007-7, 551392/2010-0, 551245/2010-7, 560715/2010-2, 490029/2009-4]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES, Procad-NF) [2280/2008]
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP/BIOEN/FAPEMIG) [2008/57926-4]
- Fundacao de Apoio a Pesquisa Cientifica e Tecnologica do Estado de Santa Catarina (FAPESC) [17293/2009-6]
- Natural Science and Engineering Research Council of Canada
Four new d-xylose fermenting yeast species of the clade Spathaspora were recovered from rotting-wood samples in a region of Amazonian forest, Northern Brazil. Three species produced unconjugated asci with a single elongated ascospore with curved ends. These species are described as Spathaspora brasiliensis, Spathaspora suhii and Spathaspora roraimanensis. Two isolates of an asexually reproducing species belonging to the Spathaspora clade were also obtained and they are described as Spathaspora xylofermentans. All these species are able to ferment d-xylose during aerobic batch growth in rich YP (1 % yeast extract, 2 % peptone and 2 % D-xylose) medium, albeit with differing efficiencies. The type strains are Spathaspora brasiliensis sp. nov UFMG-HMD19.3 (=CBMAI 1425=CBS 12679), Spathaspora suhii sp. nov. UFMG-XMD16.2 (=CBMAI 1426=CBS 12680), Spathaspora roraimanensis sp. nov. UFMG-XMD23.2 (CBMAI 1427=CBS 12681) and Spathaspora xylofermentans sp. nov. UFMG-HMD23.3 (=CBMAI 1428=CBS 12682).
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