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Digitale Medien

Biochemical metaphors

Ariatti, M.

Amsterdam : Elsevier

Biochemical Education 21 (1993), S. 220

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ISSN: 0307-4412

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Biologie , Chemie und Pharmazie

Materialart: Digitale Medien

URL: http://linkinghub.elsevier.com/retrieve/pii/0307-4412(93)90107-B

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Digitale Medien

Genetic and fermentation properties of the K2 killer yeast, Saccharomyces cerevisiae T206 (1998)

Franken, D.B. ; Ariatti, M. ; Pretorius, I.S. ; [weitere]

Springer

Antonie van Leeuwenhoek 73 (1998), S. 263-269

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ISSN: 1572-9699

Schlagwort(e): Saccharomyces cerevisiae ; karyotyping ; killer yeast ; fermentation

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Abstract Saccharomyces cerevisiae T206 K+R+, a K2 killer yeast, was differentiated from other NCYC killer strains of S. cerevisiae on the basis of CHEF-karyotyping and mycoviral RNA separations. Genomic DNA of strain T206 was resolved into 13 chromosome bands, ranging from approximately 0.2 to 2.2 Mb. The resident virus in strain T206 yielded L and M RNA species of approximately 5.1 kb and 2.0 kb, respectively. In micro-scale vinifications, strain T206 showed a lethal effect on a K-R- mesophilic wine yeast. Metabolite accumulation and toxin activity were measured over a narrow pH range of 3.2 to 3.5. Contrary to known fermentation trends, the challenged fermentations were neither stuck nor protracted although over 70% of the cell population was killed. Toxin-sensitive cells showed cytosolic efflux.