BIOLOGICAL CHARACTERISTICS OF FUNGI ISOLATED ON COMPOSITE MATERIALS AT C35 RADAR STATION IN MOC CHAU, SON LA

Đặng Minh Thủy; Trần Khánh Linh; Đào Thanh Thùy; Hà Hữu Sơn; Lê Quốc Phẩm; Đỗ Thị Tuyến; Nguyễn Thị Kim Thanh; Ngô Cao Cường

doi:10.34238/tnu-jst.10109

BIOLOGICAL CHARACTERISTICS OF FUNGI ISOLATED ON COMPOSITE MATERIALS AT C35 RADAR STATION IN MOC CHAU, SON LA

About this article

Received: 10/04/24 Revised: 22/05/24 Published: 23/05/24

Authors

1. Dang Minh Thuy, Joint Vietnam - Russia Tropical Science and Technology Research Center
2. Tran Khanh Linh, Joint Vietnam - Russia Tropical Science and Technology Research Center; Graduate University of Science and Technology - Vietnam Academy of Science and Technology
3. Dao Thanh Thuy, Joint Vietnam - Russia Tropical Science and Technology Research Center
4. Ha Huu Son, Joint Vietnam - Russia Tropical Science and Technology Research Center
5. Le Quoc Pham, Joint Vietnam - Russia Tropical Science and Technology Research Center
6. Do Thi Tuyen, Joint Vietnam - Russia Tropical Science and Technology Research Center; Graduate University of Science and Technology - Vietnam Academy of Science and Technology
7. Nguyen Thi Kim Thanh, Joint Vietnam - Russia Tropical Science and Technology Research Center
8. Ngo Cao Cuong , Joint Vietnam - Russia Tropical Science and Technology Research Center

Abstract

Fungi can grow and deteriorate the surface of composite materials. The objective of this study was to evaluate the infection of fungi using ImageJ software analysis and isolate, identify the fungal strains on composite materials collected at the C35 radar station, Moc Chau, Son La. From 4 samples collected on the surface of composite materials in the East, West, South, and North areas of Son La, filamentous fungi covered 29.91%-46.10% of the sample surface. Six strains of filamentous fungi were isolated. Based on the morphological characteristics of colonies, conidiophores, spores, and similarity comparison with ITS region sequences on the GenBank database (NCBI), 6 isolated fungal strains were identified including Trichoderma atroviride, Penicillium corylophilum, Alternaria infectoria, Neurospora sp., Cladosporium xantochromaticum, Epicoccum sorghinum. Among them, the density of P. corylophilum ELM.C2 reached the highest level in all collected samples. Two strains of A. infectoria ELM.C3 and E. sorghinum ELM.C6 were capable of producing 4 types of extracellular enzymes including cellulase, amylase, laccase, and esterase. Thus, this paper initially provided data for expanding research on antifungal active ingredients on composite materials for application in preserving equipment and tools.

Keywords

Fungi; Biodeterioration; Composite materials; Extracellular enzymes; Moc Chau, Son La

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References

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DOI: https://doi.org/10.34238/tnu-jst.10109

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