Intraspecific differentiation of Vibrio vulnificus biotypes by amplified fragment length polymorphism and ribotyping

Article Abstract:

The intraspecific differentiation of Vibrio vulnificus biotypes were examined using amplified fragment length polymorphism and ribotyping. The techniques originating from different geographic areas and belonging to biotypes pathogenic to eels (biotype 2) and those pathogenic to humans (biotype 1). The study compared the discriminative power of the biotypes to search for markers within species and determine intraspecific genetic variability. Results show that ribotyping was the most discriminative tool for related epidemiological and ecological studies.

Bacteria, Pathogenic, Pathogenic bacteria

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MEL gene polymorphism in the genus Saccharomyces

Article Abstract:

Two doned MEL genes were used to determine the characteristics of the physical structure and chromosomal location of the MEL gene in industrial and natural Mel+ strains of Saccharomyces cerevisiae, Saccharomyces pastorianus and Saccharomyces bayannus. Electrokaryotyping indicated that all the Saccharomyces bayanus strains and most of the Saccharomyces bayanus strains had the MEL genes. Mel+ Saccharomyces cerevisiae strains had one to seven loci comprising MEL sequences.

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Effects of overproduction of the catalytic domain of 3-hydroxy-3-methylglutaryl coenzyme A reductase on sqalene synthesis in Saccharomyces cerevisiae

Article Abstract:

Microbiological research the overproduction of the catalytic domain of 3-hydroxy-3-methylglutaryl coenzyme A reductase enzyme causes increased squalene production in the yeast microorganism Saccharomyces cerevisiae. Ergosterol production is not affected by deregulation of the enzyme. Evidence suggests that ergosterol formation is controlled by an unidentified regulatory process following squalene synthesis.

Yeast, Yeast (Food product)

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