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Sulfite formation by wine yeasts

✍ Scribed by Wolfgang Dott; Michael Heinzel; Hans G. Trüper

Book ID
104764085
Publisher
Springer
Year
1977
Tongue
English
Weight
295 KB
Volume
112
Category
Article
ISSN
0302-8933

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✦ Synopsis

Five different strains of wine yeasts were investigated with respect to active uptake of [35S] sulfate and its regulation by methionine. Considerable differences exist between "low" and "high" sulfiteproducing strains in the initial velocity of sulfate uptake. Further differences were established in repression of sulfate permease by L-methionine, most evident in a total lack of repression in one of the "high" sulfite producers. These findings explain in part variable sulfite and sulfide formation.

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Sulfite formation by wine yeasts
Sulfite formation by wine yeasts
✍ Wolfgang Dott; Hans G. Trüper 📂 Article 📅 1979 🏛 Springer 🌐 English ⚖ 290 KB

Four strains of wine yeasts of two different species ( Saccharomyces cerevisiae var. eltipsoideus and Saccharomyces bayanus) were investigated with respect to the influence of various sulfur compounds on the formation of O-acetylserine sulfhydrylase, O-acetylhomoserine sulfhydrylase and serine sulfh

Sulfite formation by wine yeasts
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✍ Wolfgang Dott; Michael Heinzel; Hans G. Trüper 📂 Article 📅 1976 🏛 Springer 🌐 English ⚖ 307 KB
Sulfite formation by wine yeasts
Sulfite formation by wine yeasts
✍ Michael Heinzel; Hans G. Trüper 📂 Article 📅 1976 🏛 Springer 🌐 English ⚖ 364 KB

ATP-sulfurylase was isolated and characterized from two strains of wine yeasts, i.e. a sulfiteproducing one and a non-producing strain. Both enzymes were of the same specific activity in crude extracts but differ in their substrate saturation concentrations and in the regulation of their activities.