Differentiation of closely related oyster fungi Pleurotus pulmonarius and P. ostreatus by mating and molecular markers

Shnyreva, A.; Shtaer, O.

Авторы: Shnyreva AV, Shtaer OV
Журнал: Russian Journal of Genetics
Том: 42
Номер: 5
Год издания: 2006
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 539
Последняя страница: 545
Оригинальные версии: Дифференциация двух близкородственных видов Pleurotus pulmonarius и Pleurotus ostreatus с помощью скрещиваний и молекулярных маркеров , Дифференциация двух близкородственных видов Pleurotus pulmonarius и Pleurotus ostreatus с помощью скрещиваний и молекулярных маркеров
DOI: 10.1134/S1022795406050115
Аннотация: Matings and RAPD-PCR analysis were used to differentiate two closely related basidiomycetes fungi, Pleurotus pulmonarius and P. ostreatus, which are widespread in Russian forest biocenoses with moderate continental climate. Monokaryon-monokaryon (mon-mon) and dikaryon-monokaryon (di-mon) matings demonstrated complete reproductive isolation of the two species, which have partly overlapping morphological traits. The prevalence of a particular species in nature was shown to depend to a great extent on the natural conditions, namely, the day and night temperature fluctuations. The clustering of natural Pleurotus strains displayed two trends: one was associated with natural reproductive isolation of the two species (D = 0.61) and the other, with the geographical factor (D = 0.39). A relatively recent origin is suggested for the divergence of the two species and the reproductive barrier between them. Adaptation to natural conditions was considered to be the main factor causing the divergence of natural Pleurotus populations and, eventually, allopatric speciation.
Добавил в систему: Шнырева Алла Викторовна

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Differentiation of closely related oyster fungi Pleurotus pulmonarius and P. ostreatus by mating and molecular markersстатья

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