DNA marking of some quantitative trait loci in the cultivated edible mushroom <Emphasis Type="Italic">Pleurotus ostreatus</Emphasis> (Fr.) Kumm. |
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Authors: | A B Sivolapova A V Shnyreva A Sonnenberg I Baars |
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Institution: | 1.Department of Mycology and Algology,Moscow State University,Moscow,Russia;2.Wageningen University,Wageningen,the Netherlands |
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Abstract: | Fungi of the genus Pleurotus, in particular, species Pleurotus ostreatus (common oyster mushroom) are among most cultivated fungi in the world. Due to intense rates of development of studies in
this field, efficient breeding programs are highly required in the search for new P. ostreatus strains. The principal traits used worldwide for selecting strains are intensity of fruitbearing, fruit body cap color (for
some consumptive markets), and mycelium growth rate. In this connection, the objective of this work was to study these quantitative
traits and to find molecular markers, which could be employed to accomplish breeding programs. In general, we found 12 genomic
loci (quantitative trait loci, QTLs) controlling mycelium growth rate of oyster and six QTLs responsible for the fruit body
cap color. The genetic map of P. ostreatus was constructed, and all markers of quantitative traits found by us were located on this genetic map. The obtained linkage
map can be a useful tool for the accomplishment of breeding programs to improve economically important traits of oyster mushroom. |
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