首页|Species-level Microbiota of Biting Midges and Ticks from Poyang Lake
Species-level Microbiota of Biting Midges and Ticks from Poyang Lake
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Objective The purpose of this study was to investigate the bacterial communities of biting midges and ticks collected from three sites in the Poyang Lake area,namely,Qunlu Practice Base,Peach Blossom Garden,and Huangtong Animal Husbandry,and whether vectors carry any bacterial pathogens that may cause diseases to humans,to provide scientific basis for prospective pathogen discovery and disease prevention and control.Methods Using a metataxonomics approach in concert with full-length 16S rRNA gene sequencing and operational phylogenetic unit(OPU)analysis,we characterized the species-level microbial community structure of two important vector species,biting midges and ticks,including 33 arthropod samples comprising 3,885 individuals,collected around Poyang Lake.Results A total of 662 OPUs were classified in biting midges,including 195 known species and 373 potentially new species,and 618 OPUs were classified in ticks,including 217 known species and 326 potentially new species.Surprisingly,OPUs with potentially pathogenicity were detected in both arthropod vectors,with 66 known species of biting midges reported to carry potential pathogens,including Asaia lannensis and Rickettsia bellii,compared to 50 in ticks,such as Acinetobacter lwoffii and Staphylococcus sciuri.We found that Proteobacteria was the most dominant group in both midges and ticks.Furthermore,the outcomes demonstrated that the microbiota of midges and ticks tend to be governed by a few highly abundant bacteria.Pantoea sp7 was predominant in biting midges,while Coxiella sp1 was enriched in ticks.Meanwhile,Coxiella spp.,which may be essential for the survival of Haemaphysalis longicornis Neumann,were detected in all tick samples.The identification of dominant species and pathogens of biting midges and ticks in this study serves to broaden our knowledge associated to microbes of arthropod vectors.Conclusion Biting midges and ticks carry large numbers of known and potentially novel bacteria,and carry a wide range of potentially pathogenic bacteria,which may pose a risk of infection to humans and animals.The microbial communities of midges and ticks tend to be dominated by a few highly abundant bacteria.
Biting midgeTickMicrobiotaPantoeaCoxiella
GONG Jian、WANG Fei Fei、LIU Yang Qing、PU Ji、DONG Ling Zhi、ZHANG Si Hui、HUANG Zhen Zhou、HUANG Yu Yuan、LI Ya Ben、YANG Cai Xin、TAO Yuan Meihui、ZHAO Li Jun、JIN Dong、LIU Li Yun、YANG Jing、LU Shan
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Department of Epidemiology,School of Public Health,Shanxi Medical University,Taiyuan 030001,Shanxi,China
National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases,National Institute for Communicable Disease Control and Prevention,Chinese Center for Disease Control and Prevention,Beijing 102206,China
Jiangxi Provincial Key Laboratory of Animal-Origin and Vector-Borne Diseases,Nanchang Center for Disease Control and Prevention,Nanchang 330038,Jiangxi,China
Research Units of Discovery of Unknown Bacteria and Function,Chinese Academy of Medical Sciences,Beijing 100730,China
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国家重点研发计划Research Units of Discovery of Unknown Bacteria and FunctionNational Institute for Communicable Disease Control and Prevention(China CDC)
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