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KMID : 1160220140420040416
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Mycobiology
2014 Volume.42 No. 4 p.416 ~ p.421
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Root Age-Dependent Changes in Arbuscular Mycorrhizal Fungal Communities Colonizing Roots of Panax ginseng
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Kil Yi-Jong
Eo Ju-Kyeong
Lee Eun-Hwa
Eom Ahn-Heum
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Abstract
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In this study, we examined arbuscular mycorrhizal fungal (AMF) community structure colonizing field-cultivated ginsengroots according of different ages, such as 1- to 5-year-old plant, collected from Geumsan-gun, Korea. A total of seven AMFspecies namely, Funnelliformis caledonium, F. moseae, Gigaspora margarita, Paraglomus laccatum, P. occultum, Rhizophagusirregularis, and Scutellospora heterogama were identified from the roots using cloning, PCR-restriction fragment lengthpolymorphism and sequence analysis of the large subunit region in rDNA. AMF species diversity in the ginseng roots decreasedwith the increase in root age because of the decreased species evenness. In addition, the community structures of AMF in theroots became more uniform. These results suggest that the age of ginseng affects mycorrhizal colonization and its communitystructure.
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KEYWORD
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AMF, Korean ginseng, LSU, Species diversity
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