Ostergaard, S Walløe, K O Gomes, S G Olsson, L Nielsen, J
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FEMS yeast research
The role of the proteins encoded by the GAL80 gene, the MIG1 gene and the GAL6 gene in glucose control of galactose consumption by Saccharomyces cerevisiae was studied by physiological characterisation of various GAL mutant strains. Dynamic experiments with the CEN.PK 113-7D wild-type strain and a deltagal80deltamig1 double-mutant strain in aerobic...
Stambuk, B U de Araujo, P S
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FEMS yeast research
alpha-Glucosides are the most abundant fermentable sugars in the industrial applications of Saccharomyces cerevisiae, and the active transport across the plasma membrane is the rate-limiting step for their metabolism. In this report we performed a detailed kinetic analysis of the active alpha-glucoside transport system(s) present in a wild-type str...
Lee, J C Straffon, M J Jang, T Y Higgins, V J Grant, C M Dawes, I W
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FEMS yeast research
A grande gsh1 disruptant mutant of Saccharomyces cerevisiae was generated by crossing a petite disruptant to a wild-type grande strain. This strain was relatively stable, but generated petites at an elevated frequency, illustrating the ancillary role of glutathione (GSH) in the maintenance of the genetic integrity of the mitochondrial genome. The a...
Rodrigues, F Zeeman, A M Alves, C Sousa, M J Steensma, H Y Côrte-Real, M Leão, C
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FEMS yeast research
A genomic library of the yeast Zygosaccharomyces bailii ISA 1307 was constructed in pRS316, a shuttle vector for Saccharomyces cerevisiae and Escherichia coli. The library has an average insert size of 6 kb and covers the genome more than 20 times assuming a genome size similar to that of S. cerevisiae. This new tool has been successfully used, by ...
Fleet, G H
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FEMS yeast research
Bellu, A R Kram, A M Kiel, J A Veenhuis, M van der Klei, I J
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FEMS yeast research
In the methylotrophic yeast Hansenula polymorpha non-selective autophagy, induced by nitrogen starvation, results in the turnover of cytoplasmic components, including peroxisomes. We show that the uptake of these components occurs by invagination of the vacuolar membrane without their prior sequestration and thus differs from the mechanism describe...
Wera, S Bergsma, J C Thevelein, J M
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FEMS yeast research
Research on signalling through phosphoinositides has made tremendous advances over the last few years. Studies with budding yeast (Saccharomyces cerevisiae) combine the advantage of a eukaryotic system with those of a rapidly growing, genetically modifiable and tractable organism of which the genome is fully sequenced. Hence, despite some differenc...
Middelhoven, W J Scorzetti, G Fell, J W
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FEMS yeast research
Several isolates representing the genus Trichosporon were collected over a 6-year period from soils in The Netherlands. Based on classical growth tests with carbon and nitrogen compounds these were identical. Three of these (CBS 8396, CBS 8397 and CBS 8522) were subjected to molecular analysis of the D1/D2 region of the large subunit of rDNA. This ...
Lachance, M A Starmer, W T Rosa, C A Bowles, J M Barker, J S Janzen, D H
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FEMS yeast research
We studied specific yeast communities vectored by beetles, drosophilids, and bees that visit ephemeral flowers, mostly in the genus Hibiscus and in the families Convolvulaceae and Cactaceae, in the Neotropical, Nearctic, and Australian biogeographic regions. The communities consist mostly of yeasts in four clades centered around the genera Metschni...
Rolland, F Wanke, V Cauwenberg, L Ma, P Boles, E Vanoni, M de Winde, J H Thevelein, J M Winderickx, J
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FEMS yeast research
Glucose-induced cAMP signalling in Saccharomyces cerevisiae requires extracellular glucose detection via the Gpr1-Gpa2 G-protein coupled receptor system and intracellular glucose-sensing that depends on glucose uptake and phosphorylation. The glucose uptake requirement can be fulfilled by any glucose carrier including the Gal2 permease or by intrac...