MITOCHONDRIAL-DNA AND ITS INHERITANCE IN PLEUROTUS-OSTREATUS AND P-PULMONARIUS

FISCHER, M and SEEFELDER, S (1995) MITOCHONDRIAL-DNA AND ITS INHERITANCE IN PLEUROTUS-OSTREATUS AND P-PULMONARIUS. BOTANICA ACTA, 108 (4). pp. 334-343. ISSN 0932-8629,

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Abstract

Six stocks each of the basidiomycetes Pleurotus ostreatus and P. pulmonarius were checked for intraspecific polymorphism and inheritance of mitochondrial DNA (mtDNA). Polymorphisms were extensive in both species after digestion with the endonucleases Hae III and Hind III, and they were stock-specific with one exception. The range of mtDNA sizes was similar for both taxa, lying between approximately 56 kb and 70 kb for P. ostreatus and 60 kb and 78 kb for P. pulmonarius. The inheritance of mtDNA was uniparental throughout. In pairings of monokaryons exhibiting specific mtDNA types, only one parental mtDNA type was recovered in the resulting dikaryons; while the mitochondria of the donor mycelium spread out, the mitochondria of the recipient mycelium apparently are lost. Certain mtDNA types were more often inherited than others. By examining this dominance of mtDNA types one could establish parentage for both species.

Item Type: Article
Uncontrolled Keywords: MATERNAL INHERITANCE; AGARICUS-BITORQUIS; POLYMORPHISMS; GENETICS; CROSSES; RELATEDNESS; ARMILLARIA; COPRINUS; PATHOGEN; NUCLEAR; INHERITANCE; MITOCHONDRIAL DNA; PLEUROTUS; RFLP
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:37
URI: https://pred.uni-regensburg.de/id/eprint/52391

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