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Arachidonic and oleic acids stimulate zygote formation in the presence of mating pheromone in the yeast, Saccharomyces cerevisiae


Effect of exogenous fatty acids on zygote formation in Saccharomyces cerevisiae was studied. Arachidonic and oleic acids considerably stimulated zygote formation, but other fatty acids tested, linoleic, linolenic, stearic and palmitic acids, did not. Pretreatment experiments with arachidonic acid showed that the stimulation of zygote formation by the fatty acid required the presence of mating pheromone.

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yeast-peptone-dextrose medium

A530 :

absorbance at 530 nm


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Correspondence to Syuichi Doi.

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Doi, S., Watanabe, M. & Yoshimura, M. Arachidonic and oleic acids stimulate zygote formation in the presence of mating pheromone in the yeast, Saccharomyces cerevisiae . Arch. Microbiol. 149, 507–508 (1988).

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Key words

  • Yeast
  • Saccharomyces cerevisiae
  • Mating reaction
  • Zygote formation
  • Mating pheromone
  • Fatty acid
  • Arachidonic acid