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      Characterization of bacterial communities associated with the pine sawyer beetle Monochamus galloprovincialis, the insect vector of the pinewood nematode Bursaphelenchus xylophilus.

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          Abstract

          Pine wilt disease (PWD) has a tremendous impact on worldwide forestlands, both from the environmental and economical viewpoints. Monochamus sp., a xylophagous insect from the Cerambycidae family, plays an important role in dissemination of the pinewood nematode, Bursaphelenchus xylophilus, the primary pathogenic agent of PWD. This study investigates, for the first time, the bacterial communities of Monochamus galloprovincialis collected from Portuguese Pinus pinaster trees and B. xylophilus free, using a metagenomics approach. Overall, our results show that natural bacterial communities of M. galloprovincialis are mainly composed by γ-proteobacteria, Firmicutes and Bacteroidetes, which may be a reflection of insects' feeding diet and habitat characteristics. We also report different bacterial communities' composition in the thorax and abdomen of M. galloprovincialis, with high abundance of Serratia sp. in both. Our results encourage further studies in the possible relationship between bacteria from the insect vector and B. xylophilus.

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          Author and article information

          Journal
          FEMS Microbiol. Lett.
          FEMS microbiology letters
          Wiley
          1574-6968
          0378-1097
          Oct 2013
          : 347
          : 2
          Affiliations
          [1 ] ICAAM - Instituto de Ciências Agrárias e Ambientais Mediterrânicas, Departamento de Biologia, Universidade de Évora, Évora, Portugal.
          Article
          10.1111/1574-6968.12232
          23927049
          a68d064b-9f03-4e1a-8bef-0cca8de8422b
          History

          pine wilt disease,metagenomics,bacteria,Monochamus galloprovincialis,Bursaphelenchus xylophilus,16S rRNA gene

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