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. 1985;51(2):167-77.
doi: 10.1007/BF02310010.

Improvement of sporulation in the yeast Yarrowia lipolytica

G Barth, H Weber

Improvement of sporulation in the yeast Yarrowia lipolytica

G Barth et al. Antonie Van Leeuwenhoek. 1985.

Abstract

Strains of Yarrowia lipolytica forming exclusively spherical ascospores were developed through inbreeding. These strains are more suitable for micromanipulation than other inbred strains forming helm-shaped ascospores. External factors affecting sporulation frequency and tetrad formation in this yeast were investigated. Optimal formation of complete tetrads occurred at a narrow range of pH values around 6.0. Citrate was found to stimulate sporulation strongly. A synthetic medium containing citrate was developed to obtain standard conditions for maximum sporulation.

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