Phylogenetic diversity of marine bacteria dependent on the port environment around the Ulleng Island

울릉도 항구의 해양환경에 따른 해양미생물의 분포 변화

  • 강용호 (영남대학교 생명공학부) ;
  • 안민경 (영남대학교 생명공학부)
  • Received : 2015.08.25
  • Accepted : 2015.09.24
  • Published : 2015.09.30


Pyrosequencing of 16S rDNA tags was used to obtain the bacterial diversity and community structure in the uncultured seawaters as well as in the cultured seawaters, which were collected from the 7 ports (Cheonbu, Hyunpo, Taeha, Namyang, Sadong, Dodong, and Jeodong) and 1 seashore (Guam) around the Ulleng island, Korea. Alphaproteobacteria were the most abundant group in the clean seawaters such as seawaters of Taeha and Sadong ports. Gammaproteobacteria proportion increased depending upon the wastewater amounts mixed with the seawaters such as seawaters of Namyang, Dodong, and Jeodong ports. The genuses of Alteromonas (from samples of Cheonbu, Taeha, Guam, Namyang, Sadong), Shewanella (from sample of Jeodong), and Vibrio (from samples of Hyunpo and Dodong) were dominant group in each of the cultured seawaters incubated in marine broth (Difoco). The results suggest that the incoming wastewaters to the port seawaters contribute to the dynamic change of the marine bacterial community around the Ulleng island.


bacterial community;port seawaters;pyrosequencing;Ulleng island;wastewater


Supported by : 국토해양부


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