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A. Sibirny

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Conference Open access 2026

ENGINEERING MICROBIAL PRODUCERS OF ETHANOL AND LACTIC ACID AS ALTERNATIVE FERMENTATION PRODUCTS

Improved pentose alcoholic fermentation in Ogataea polymorpha was achieved by positive selection and identification of the genetic determinants IRA1 and API1. Heterologous expression of lactate dehydrogenase genes enabled efficient L-lactic acid production, demonstrating distinct strategies for redirecting yeast metabo...

Roksolana Vasylyshyn, Aksyniia Tsaruk, Justyna Ruchała et al. · 0 citations
Conference Open access 2026

ENGINEERING GLYCEROL UTILIZATION IN CANDIDA FAMATA FOR SUSTAINABLE RIBOFLAVIN PRODUCTION USING CRUDE GLYCEROL

Candida famata is a flavinogenic non-conventional yeast with a high capacity for riboflavin (vitamin B₂) production and represents a promising microbial cell factory. Glycerol, particularly crude glycerol generated as a by-product of biodiesel production, is an attractive low-cost carbon source for microbial fermentati...

Alicja Najdecka, A. Sibirny · 0 citations
Conference Open access 2026

PRODUCTION OF BIOETHANOL AND HIGH-VALUE SUBSTANCES BY NON-CONVENTIONAL YEASTS

The non-conventional yeasts Ogataea polymorpha and Candida famata studied as hosts for the production of ethanol, L-lactic acid, and riboflavin from xylose, glycerol, and lignocellulosic hydrolysates provide a basis for further development of yeast-based production processes using lignocellulosic sugars and glycerol as...

A. Sibirny, Justyna Ruchała, Dominik Wojdyła et al. · 0 citations
Conference Open access 2026

ENGINEERING STRATEGIES FOR ENHANCED RIBOFLAVIN PRODUCTION BY CANDIDA FAMATA YEAST

A new factor of negative regulation of riboflavin biosynthesis in yeast C. famata was identified and encoded by the gene SEF2, which is focused on extension of the substrate range to produce the vitamin B2 such as whey and lignocellulose.

Dariya Fedorovych, K. Dmytruk, A. Sibirny · 0 citations

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