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자료유형
학술저널
저자정보
Choi, Dong Han (Marine Life and Ecosystem Division, Korea Institute of Ocean Science and Technology) Noh, Jae Hoon (Marine Life and Ecosystem Division, Korea Institute of Ocean Science and Technology) An, Sung Min (Marine Life and Ecosystem Division, Korea Institute of Ocean Science and Technology) Choi, Yu Ri (Marine Life and Ecosystem Division, Korea Institute of Ocean Science and Technology) Lee, Howon (Department of Oceanography, Pusan National University) Ra, Kongtae (Marine Environmental Analyses Remediation Division, Korea Institute of Ocean Science and Technology) Kim, Dongseon (Marine Environmental Analyses Remediation Division, Korea Institute of Ocean Science and Technology) Rho, TaeKeun (Marine Environmental Analyses Remediation Division, Korea Institute of Ocean Science and Technology) Lee, Sang Heon (Department of Oceanography, Pusan National University) Kim, Kyung-Tae (Marine Environmental Analyses Remediation Division, Korea Institute of Ocean Science and Technology) Chang, Kyung-Il (School of Earth and Environmental Sciences, Seoul National University) Lee, Jung Ho (Department of Biology Education, Daegu University)
저널정보
한국조류학회(藻類) Algae Algae 제31권 제3호
발행연도
2016.1
수록면
231 - 241 (11page)

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We examined the genetic diversity and abundance of picocyanobacteria using barcoded amplicon sequencing approaches and flow cytometry in the East Sea and the East China Sea to determine the distribution patterns of diversity during spring in seas adjacent to the Korean Peninsula. Synechococcus clades I and IV, which have been known as cold-adapted ecotypes, dominated at most stations. However, the relative abundances of the two dominant clades differed in their spatial patterns. Clade I was exclusively dominant in the shelf area of the East China Sea and the north East Sea. However, the dominant genotypes belonging to clade I had different spatial distributions in the two areas and responded oppositely to seawater temperature. The dominance of distinct genotypes under the different ecological conditions suggests the presence of ecologically different ecotypes within the clade. Abundances of clade IV were greater than those of clade I at most stations in the southwest East Sea, showing an apparently different pattern from that of the other areas. A warm-water adapted clade II was observed at significant levels only at stations located in the eastern East China Sea affected by a branch of the warm Kuroshio Current. These results suggest that the physicochemical properties of influencing water masses play an important role in determining the distribution of Synechococcus genotypes.

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