A general screening test for the expression of antibacterial activity was performed on over 400 cultures belonging to 31 yeast genera. Of these cultures, only two, Kluyveromyces thermotolerans and Kloeckera apiculata, were found to produce zones of inhibition of bacterial growth on Diagnostic Sensitivity Test Agar medium supplemented with 0.002% methylene blue. Of nine bacteria used as test org...

The studied problem is of commercial interest because whey, the cultivation substrate, is a waste by-product from the transformation of milk into cheese and casein. Investigations on the influence of the dilution rate (D) on the bioproductivity of lactose-utilizing yeasts were carried out with two model strains--the oxidative strain Candida blankii 35 and the fermentative strain Candida pseudot...

Pectinolytic yeasts, Saccharomyces marxianus, S. bayanus, S. cerevisiae var. ellipsoideus, and Schizosaccharomyces sp., predominated in the natural fermentation of coffee cherries of Coffea robusta variety grown in Chikmagalur district of Mysore State, India. These yeast species were found on the cherry surfaces, and evidence was adduced to show that the natural fermentation of coffee was the r...

The aim of the study was to determine the optimum conditions for brown pigment formation by Kluyveromyces marxianus and Streptomyces chibaensis. Pigment formation was followed during the time course experiment in medium contains 20 g/l D-xylose as carbon source, 12 g/l of a mixture of peptone and yeast extract as a nitrogen source at pH 5.0 when incubated at 32°C, the production of pigment reac...

The present study was conducted to investigate the influence of initial sucrose concentration, pH and aeration rate on biomass and inulinase production by Kluyveromyces marxianus var. bulgaricus in a stirred batch reactor. Maximum inulinase activity (15.29 UmL) was obtained at a sucrose concentration of 10 g L, pH 5.0 and aeration rate of 1 vvm. The 20 g L sucrose concentration was suitable for...