Journal
MICROBIOLOGY
Volume 77, Issue 1, Pages 1-6Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0026261708010013
Keywords
yeasts; carotenoid pigments; coenzyme Q(10); ecological lability
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Strains of basidiomycetous yeasts isolated from different sources were studied in order to determine the content of carotenoid pigments and ubiquinone Q(10) for subsequent selection work to obtain producers of these substances. The high specific productivity of carotenoids (600-700 mg/g) was revealed in the representatives of the following species: Cystofilobasidium capitatum, Rhodosporidium diobovatum, R. sphaerocarpum, Rhodotorula glutinis, Rh. minuta, and Sporobolomyces roseus. The ratio of the major pigments (torulene, torularhodine, and P-carotene) in the representatives of different species was studied. Certain specific features of pigment formation in relation to the taxonomic position of the yeasts were determined. Eurybiont species with substantial ecological]ability are the most active producers of carotenoids and ubiquinone Q(10) among the epiphytes. It is the first time a comparative analysis of the coenzyme Q(10) content in different taxa has been performed using several strains of the same species. The maximal coenzyme Q(10) production (1.84 mg/g of dry biomass) was found in the yeast species R. sphaerocarpum.
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