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Biodiversity and phylogenetic analysis of the gut microbiome of Euphausia superba Dana from the Rose Sea of the Antarctic Ocean

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【作者】 YUAN LidongLI LingzhiTIAN XiaoqingTANG YingyingFAN ChengqiHUANG HongliangYANG Qiao

【Author】 YUAN Lidong;LI Lingzhi;TIAN Xiaoqing;TANG Yingying;FAN Chengqi;HUANG Hongliang;YANG Qiao;Key Laboratory of East China Sea & Oceanic Fishery Resources Exploitation & Utilization, Ministry of Agriculture, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences;Shanghai Ocean University;State Oceanic Administration Key Laboratory for Polar Science, Polar Research Institute of China;Department of Microbiology, Oregon State University;

【机构】 Key Laboratory of East China Sea & Oceanic Fishery Resources Exploitation & Utilization, Ministry of Agriculture, East China Sea Fisheries Research Institute, Chinese Academy of Fishery SciencesShanghai Ocean UniversityState Oceanic Administration Key Laboratory for Polar Science, Polar Research Institute of ChinaDepartment of Microbiology, Oregon State University

【摘要】 Metabolites derived from marine symbiotic microorganisms have great potential as lead compounds for the discovery of novel marine drugs. Euphausia superba Dana, which lives in the Antarctic Ocean, is regarded as a new source of marine microbial natural products. However, no studies have examined the biodiversity of the symbiotic intestinal microbiome of E. superba. To address this issue, the species diversity and abundance of the gut microbiome of E. superba Dana from the Rose Sea of the Antarctic Ocean were analyzed by culture-independent high-throughput sequencing and pure culture methods. A comparison with gene databases revealed that the microbiome contained 61 known microbial species and a plethora of uncultivable microorganisms. Additionally, 7% of the species in the microbiome were currently unknown. The microbes belonged to 56 genera, eight of which, including Arthrobacter, Bacillus, Candidatus, Lactococcus, Lysinibacillus, Leuconostoc, Solibacillus, and Vibrio, were dominant, as were Vibrionaceae spp. Moreover, 81 microbial strains were isolated by the pure culture method, and they belonged to 36 genera, including Mobilicoccus, Rhodococcus, Arthrobacter, and Microbacterium. The results obtained by two different methods demonstrate the richness of the microbial biodiversity of the gut microbiome of E. superba, and it also suggests that they have good potential for the discovery of novel marine microbial species.

【基金】 funds from national non-profit institutes (East China Sea Fisheries Research Institute) (Grant no.2014M02);the Opening Fund Project (Grant no.KP201406) of the State Oceanic Administration Key Laboratory for Polar Science at the Polar Research Institute of China;the Chinese Polar Environment Comprehensive Investigation & Assessment Program (Grant no.CHINARE2016-01-05);the National High-tech R&D Program of China (Program 863, Grant no.2012AA092105)
【所属期刊栏目】 Articles (2016年01期)
  • 【DOI】10.13679/j.advps.2016.1.00048
  • 【分类号】R915
  • 【下载频次】10
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