Yeast Sex: Surprisingly High Rates of Outcrossing between Asci


life cycle. When nutrient limited, a diploid yeast cell will form four haploid spores encased in a protective outer layer called the ascus. Confinement within the ascus is thought to enforce mating between products of the same meiotic division, minimizing outcrossing in this stage of the life cycle. having an increased tendency to outcross in mass mating conditions.Our results highlight the potential for random mating between spores in natural strains, even in the presence of asci. If this type of mating does occur in nature and it is between close relatives, then a great deal of mating behavior may be undetectable from genome sequences

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Last time updated on 6/5/2019

This paper was published in Public Library of Science (PLOS).

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