ISOLATION OF PURE CULTURES OF WOOD-DESTRUCTING FUNGI AND THEIR MOLECULAR CHARACTERIZATION FOR BIOTECHNOLOGICAL APPLICATION

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Authors

A.A. Saparbekova

M. Auezov South Kazakhstan State University, Shymkent, Kazakhstan

A.B. Altekey

M. Auezov South Kazakhstan State University, Shymkent, Kazakhstan

B.R. Silvia

University of Valladolid, Valladolid, Spain

A.D. Matchanov

Academician Sadykov Institute of Bioorganic Chemistry, Tashkent, Uzbekistan

G. Kantureyeva

M. Auezov South Kazakhstan State University, Shymkent, Kazakhstan

G. Kaldybekova

M. Auezov South Kazakhstan State University, Shymkent, Kazakhstan

Abstract

This paper presents a method for isolating pure cultures of wood-destroying fungi from the surface of decomposing wood collected in the Asanbay Askarov Arboretum (Shymkent, Kazakhstan), performing their microscopic examination and molecular identification using polymerase chain reaction (PCR) and ITS region sequencing. The aim of the study is to investigate the species diversity of wood-destroying fungi and assess their potential for biotechnological applications. Five species were identified: Aspergillus spelaeus, Aspergillus niger, Penicillium sizovae, Cladosporium cladosporioides, and Alternaria sp. Isolation was performed using enrichment cultures, microscopy with methylene blue staining, and identification by PCR and sequencing. The use of PCR and sequencing enabled accurate species identification and proposes new approaches for monitoring and studying ecosystem processes associated with wood surfaces. Ligninolytic activity was confirmed using the Azure-B assay. The data obtained highlight the high diversity of fungi and their potential for wood waste processing and bioremediation. The results showed a high diversity of wood-destroying fungi on wood surfaces, confirming the complexity of the microbiome in these ecosystems.

Keywords

wood-destroying fungi, wood, identification, lignin, political activism, bioremediation

Article Details

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