نتایج جستجو برای: kluyveromyces lactis
تعداد نتایج: 6251 فیلتر نتایج به سال:
The present study describes the screening of five lactic acid bacteria (LAB) for use as probiotics based on their competitive adhesion and production of antagonistic substances against some fish pathogens. A reduction of adhesion of all pathogenic strains tested was obtained with three of the LAB strains (Lactococcus lactis subsp. lactis CLFP100, Lactococcus lactis subsp. cremoris CLFP102 and L...
Synchronous cultures prepared by selection from an elutriating rotor were used to measure activity changes during the cell cycle of the following enzymes: acid phosphatase in Schizosaccharomyces pombe and Saccharomyces cerevisiae, alpha-glucosidase in S. cerevisiae and beta-galactosidase in Kluyveromyces lactis. There was no sign of step rises in activity in acid phosphatase but there were indi...
Gene targeting is a challenge in organisms where non-homologous end-joining is the predominant form of recombination. We show that cell division cycle synchronization can be applied to significantly increase the rate of homologous recombination during transformation. Using hydroxyurea-mediated cell cycle arrest, we obtained improved gene targeting rates in Yarrowia lipolytica, Arxula adeninivor...
In Kluyveromyces lactis, Rag3 regulates both fermentative metabolism and thiamine biosynthesis. Regulation of fermentation is exerted at the level of transcription of KlPDC1. We have isolated and identified a mutation of the transcription factor KlGCR1, Klgcr1-1, which suppressed the fermentative-deficient phenotype associated with the RAG3 deletion. In the mutant, the transcription of KlPDC1 w...
Recent progress in the analysis of protein components of the mitochondrial nucleoid and replisome of baker's yeast, Saccharomyces cerevisiae, opens a unique opportunity for understanding the molecular principles of mitochondrial inheritance. In this work we identified homologs of proteins involved in the mitochondrial DNA packaging and replication in the complete genome sequence of the petite-n...
In unicellular organisms like yeasts, which do not have specialized tissues for protection against environmental challenges, the presence of cellular mechanisms to respond and adapt stress conditions is fundamental. this work, we aimed investigate response light in Kluyveromyces lactis . Yeast lacks light-sensing proteins; however, Saccharomyces cerevisiae has been reported by increasing hydrog...
Heterologous products are frequent applications of microbial technology. Depending on the product, the host-vector system has to be chosen in order to fulfill process requirements. This short review summarizes published and unpublished results obtained for the production of heterologous metabolites and proteins from a single host, the yeast Kluyveromyces lactis, and by means of tools – promoter...
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