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http://dx.doi.org/10.5352/JLS.2017.27.6.661

Diversity of Endophytic Fungal Strains from Jeju Aquatic Plants  

Oh, Yoosun (Fungal Resources Research Division, Freshwater Bioresources Research Bureau, Nakdonggang National Institute of Biological Resources)
Mun, Hye Yeon (Fungal Resources Research Division, Freshwater Bioresources Research Bureau, Nakdonggang National Institute of Biological Resources)
Goh, Jaeduk (Fungal Resources Research Division, Freshwater Bioresources Research Bureau, Nakdonggang National Institute of Biological Resources)
Chung, Namil (Fungal Resources Research Division, Freshwater Bioresources Research Bureau, Nakdonggang National Institute of Biological Resources)
Publication Information
Journal of Life Science / v.27, no.6, 2017 , pp. 661-672 More about this Journal
Abstract
Endophytic fungi are present in host plants and contribute to resistance to biotic and abiotic stress. Aquatic plants are living in aquatic environment such as saltwater or freshwater and exposed more water stress than other land plants. In this study, we investigated 4 wetlands in Jeju and collected 11 aquatic plants. Exogenous microbes were removed by preprocessing of plants and endophytic fungal strains were isolated from the plants. We isolated 126 fungal strains from Namsaengi-pond, 22 fungal strains from Sujangdong-marsh, 44 fungal strains from Yongsu-reservoir and 32 fungal strains from Gangjeongcheon. The fungal strains were identified using internal transcribed spacer (ITS) region and analyzed the phylogeny and diversity. Endophytic fungi isolated from plants of Namsaengi-pond were classified to 30 genera, 19 families, 12 orders, 7 classes and 4 phyla. Endophytic fungi of Sujangdong-marsh were classified to 11 genera, 11 families, 6 orders, 5 classes and 4 phyla. Endophytic fungi of Yongsu-reservoir were classified to 13 genera, 12 families, 7 orders, 5 classes and 4 phyla. Endophytic fungi isolated from Gangjeongcheon were classified to 9 genera, 7 families, 5 orders, 2 classes and 1 phyla. Overall, they were divided 40 genera and Alternaria, Colletotrichum and Fusarium were isolated from 4 sites in common. By investigating the endophytic fungi in aquatic plants, it is for baseline data that determination of diversity and the ecological distribution of endophytic fungi.
Keywords
Aquatic plants; diversity; endophytic fungi; Jeju; phylogenetic analysis;
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