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KMID : 0613820120220101384
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Journal of Life Science
2012 Volume.22 No. 10 p.1384 ~ p.1391
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Genetic Diversity of Endophytic Fungal Strains Isolated from the Roots of Coastal Plants in Ulleung Island for Restoration of Coastal Ecosystem
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Kim Mi-Ae
You Young-Hyun
Yoon Hyeok-Jun
Kim Hyun
Seo Yeong-Gyo
Khalmuratova Irina
Shin Jae-Ho
Lee In-Jung
Choo Yeon-Sik
Kim Jong-Guk
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Abstract
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Five coastal plant species, Artemisia fukudo, Aster sphathulifolius, Plantago camtschatica, Sedum oryzifolium, and Setaria viridis, were collected from the coastal region of Ulleung Island (Ulleung-Do, South Korea). Thirty-six endophytic fungi were isolated from the roots of these plants, and all were identified by using PCR with the following specifications: internal transcribed spacer 1 (ITS1), 5.8S rRNA, and ITS2 regions. Phylogenetic analysis indicated that all fungal strains belong to the phylum Ascomycota and comprise four orders (Capnodiales, Eurotiales, Hypocreales, and Pleosporales). Among all the identified species, the Eurotiales species were more abundant than species in the other orders. Nine different genera (Alternaria, Aspergillus, Cladosporium, Exserohilum, Fusarium, Neosartorya, Penicillium, Phoma, and Pyrenochaeta) in the four orders were confirmed. Penicillium and Aspergillus species were the most dominant species among the endophytic fungi isolated from the coastal plants. Shannon’s diversity index (H’) ranged from 0.684 to 1.609, and the endophytic fungi in S. oryzifolium was more diverse compared to the endophytic fungi in the other plants.
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KEYWORD
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Endophytic fungi, genetic diversity, coastal plant, Ulleung island
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