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Fungal Diversity and Enzyme Activity Associated with the Macroalgae, Agarum clathratum

Authors
Lee, SeobihnPark, Myung SooLee, HanbyulKim, Jae-JinEimes, John A.Lim, Young Woon
Issue Date
2-1월-2019
Publisher
TAYLOR & FRANCIS LTD
Keywords
beta-glucosidase; cellulase activity; endoglucanase; fungal enzyme; seaweed
Citation
MYCOBIOLOGY, v.47, no.1, pp.50 - 58
Indexed
SCIE
SCOPUS
KCI
Journal Title
MYCOBIOLOGY
Volume
47
Number
1
Start Page
50
End Page
58
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/68340
DOI
10.1080/12298093.2019.1580464
ISSN
1229-8093
Abstract
Agarum clathratum, a brown macroalgae species, has recently become a serious environmental problem on the coasts of Korea. In an effort to solve this problem, fungal diversity associated with decaying A. clathratum was investigated and related beta-glucosidase and endoglucanase activities were described. A total of 233 fungal strains were isolated from A. clathratum at 15 sites and identified 89 species based on morphology and a multigene analysis using the internal transcribed spacer region (ITS) and protein-coding genes including actin (act), beta-tubulin (benA), calmodulin (CaM), and translation elongation factor (tef1). Acremonium, Corollospora, and Penicillium were the dominant genera, and Acremonium fuci and Corollospora gracilis were the dominant species. Fifty-one species exhibited cellulase activity, with A. fuci, Alfaria terrestris, Hypoxylon perforatum, P. madriti, and Pleosporales sp. Five showing the highest enzyme activities. Further enzyme quantification confirmed that these species had higher cellulase activity than P. crysogenum, a fungal species described in previous studies. This study lays the groundwork for bioremediation using fungi to remove decaying seaweed from populated areas and provides important background for potential industrial applications of environmentally friendly processes.
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Kim, Jae Jin
생명과학대학 (환경생태공학부)
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