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KMID : 0613820200300010032
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Journal of Life Science
2020 Volume.30 No. 1 p.32 ~ p.39
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Metagenomic Analysis of Bacterial Communities in Rhododendron mucronulatum in Biseul Mountain County Park, Daegu, Korea
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Choi Doo-Ho
Jeong Min-Ji
Kwon Hae-Jun
Kim Mi-Gyeong
Kim Dong-Hyun
Kim Young-Guk
Kim Jong-Guk
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Abstract
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Rhododendron mucronulatum, native to Korea, Mongolia, Russia and parts of northern China, is known not only for its medicinal properties but also as a tourist attraction. One of the most famous tourist destinations with R. mucronulatum is in Biseul Mountain County Park, Daegu, Korea. To investigate the relationship between R. mucronulatum and microbiome communities in the surrounding soil, three sites within the park were chosen for sampling in February and August. The soil samples were then passed through a pyrosequencing process for analysis of the bacterial communities, and a total of 404,899 sequencing reads were obtained. Between 2,349 and 4,736 operational taxonomic units (OTUs) were observed across the three sampling zones and two seasons; samples from the park entrance showed a higher number of OTUs than the other two sites, and samples from August had more OTUs than those from February. The sample from the second observation site displayed the fewest OTUs, particularly in February. According to Chao1 and Shannon indices, samples from the park entrance in August demonstrated the highest degree of species richness and diversity. Studying the bacterial communities across the six samples identified the common population as comprising 287 genera, 45 of which are only present in Biseul Mountain County Park and are expected to participate in the colonization of R. mucronulatum.
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KEYWORD
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Bacterial community, Biseul mountain, metagenomics, Rhododendron mucronulatum
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