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KMID : 0903520070500020101
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2007 Volume.50 No. 2 p.101 ~ p.106
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Morphological and Phylogenetic Characteristics of Nematophagous Fungi
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Cho Cheon-Whi
Kang Doo-Sun
Jeon Han-Ki
Son Hee-Seong
Whang Kyung-Sook
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Abstract
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Twenty-two strains of nematophagous fungi were isolated from 100 soil samples. Nematophagous fungi were classified into three categories; 3-dimensional adhesive nets (A group), 2-dimensional adhesive nets (B group) and constricting ring (C group). Nine strains were selected and identified on the basis of morphological characteristics (hypha, conidiophore, form and size of conidia, number of conidia, node of conidophore, number and location of septa, size and color of chlamydospore) and ITS (internal transcribed spacer) region of rDNA sequences. As the results, the isolates were identified as belonging to the species of Monacrosporium thaumasium (Kan-2, Kan-4, Kan-11), Arthrobotrys oligospora (Kan-9, Kan-13, Kan-20, Kan-21), A. musiformis (Kan-12), and A. dactyloides (Kan-22).
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KEYWORD
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Arthrobotrys spp., Monacrosporium spp., nematophagous fungi, phylogeny, predaceous organ
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