Dynamics of Mycobiota during Composting

Kurakov, A.V.; Bilanenko, E.N.

Авторы: Kurakov A.V., Bilanenko E.N.
Журнал: Eurasian Soil Science
Том: 56
Номер: 4
Год издания: 2023
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 453
Последняя страница: 469
DOI: 10.1134/S1064229322602554
Аннотация: The study of the dynamics of mycobiota during composting the cow manure and wheat straw was carriedout, using DNA barcoding and cultural method. Fungi of phyla Ascomycota, Basidiomycota, Mortierellomycota,Chytridiomycota, Rozellomycota and Aphelidiomycota have been found using DNA barcoding. Cultural(plating) method identified fungi of phyla Ascomycota, Basidiomycota, Mucoromycota. All the orders offungi determined by the plating method, with the exception of Saccharomycetales in Ascomycota and Mucoralesin Mucoromycota, have been also discovered using DNA barcoding, but many other orders have been identifiedusing the latter method. The coincidence of the species detected by both methods was very rare. Thechanges in the number of colony-forming and operational-taxonomic units of taxa of different levels have beenobserved during the transformation of manure with straw into compost. The DNA barcoding allowed to identifymore fully the changes in the taxonomic and ecological-trophic structure of the fungal community during compostingof manure and straw. They were manifested in a significant increase in the representation of basidiomycetes,especially Coprinus spp., Coprinellus spp., in compost, capable to transform lignin, complex organic substancesof manure, and a decrease of the fraction of abundantly spore-bearing “sugars” and cellulolytic ascomycetespredominating in the initial substrates: Sordariomycetes in manure and Dothideomycetes in straw.Significant rearrangements occurred during composting in the composition of coprophilic, epiphytic, and phytopathogenicfungi. The importance of toxin-forming, allergenic, and thermophilic species of fungi that pose adanger to human health, and the possibility of assessing the readiness of compost for application to the soil as abiofertilizer, taking into account data on mycobiota, have been discussed.
Добавил в систему: Биланенко Елена Николаевна

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