Abstract
The study of sexual interaction in seven (+) and four (−) Blakeslea trispora strains from the All-Russian Collection of Microorganisms showed that all the strains were capable of forming zygotes, albeit to a varying degree. Thus, pairs of strains with active zygote formation and not forming zygospores were identified. It was established that, irrespective of their capacity for zygote formation, all pairs of the (+) and (−) strains synthesized trisporoids in submerged culture. However, zygote-forming pairs accumulated significantly more trisporoids and carotenoids than the strain pairs incapable of forming zygospores. As a result, positive correlation between the capacity for zygote formation in surface culture and trisporoid and carotenoid synthesis in submerged culture was revealed in wild strains.
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Original Russian Text © O.A. Vereshchagina, A.S. Memorskaya, G.A. Kochkina, V.M. Tereshina, 2012, published in Mikrobiologiya, 2012, Vol. 81, No. 5, pp. 561–569.
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Vereshchagina, O.A., Memorskaya, A.S., Kochkina, G.A. et al. Trisporoids and carotenoids in Blakeslea trispora strains differing in capacity for zygote formation. Microbiology 81, 517–525 (2012). https://doi.org/10.1134/S0026261712050165
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DOI: https://doi.org/10.1134/S0026261712050165