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Influence of Host Plant on Thaumetopoea pityocampa Gut Bacterial Community
University of Mediterranea Reggio Calabria, Italy.
Linköping University, Department of Physics, Chemistry and Biology, Biology. Linköping University, Faculty of Science & Engineering. University of Mediterranea Reggio Calabria, Italy.
University of Mediterranea Reggio Calabria, Italy.
University of Mediterranea Reggio Calabria, Italy.
2018 (English)In: Microbial Ecology, ISSN 0095-3628, E-ISSN 1432-184X, Vol. 75, no 2, p. 487-494Article in journal (Refereed) Published
Abstract [en]

Microbial communities associated to the gut of insects are attracting an increasing interest, mainly because of their role in influencing several host life-traits. The characterization of the gut microbial community is pivotal for understanding insect ecology and, thus, to develop novel pest management strategies. The pine processionary moth, Thaumetopoea pytiocampa (Denis amp; Schiff.) (Lepidoptera: Thaumetopoeidae), is a severe defoliator of pine forests, able to feed on several pine species. In this work, we performed a metabarcoding analysis to investigate, for the first time, the diversity of the gut bacterial community of pine processionary larvae associated with three different host pine species (Pinus halepensis, Pinus nigra subsp. laricio, and Pinus pinaster). We found that the gut microbial community of T. pityocampa larvae collected on P. halapensis was different from that associated with larvae collected from P. nigra and P. pinaster. Moreover, the high presence of bacteria belonging to the genera Modestobacter, Delftia, and unidentified Methylobacteriaceae retrieved in larvae feeding on P. halapensis suggested that specific interactions can occur. Our results provide the evidence that different host plant differently impact on the microbiota diversity of T. pityocampa larvae, contributing to the general knowledge of this pest with information that could be useful in shaping the next generation of pest control strategies.

Place, publisher, year, edition, pages
SPRINGER , 2018. Vol. 75, no 2, p. 487-494
Keyword [en]
Metabarcoding; Pine processionary moth; Pinus; Modestobacter; Delftia; Methylobacteriaceae
National Category
Ecology
Identifiers
URN: urn:nbn:se:liu:diva-144242DOI: 10.1007/s00248-017-1019-6ISI: 000418740200019PubMedID: 28735425OAI: oai:DiVA.org:liu-144242DiVA: diva2:1173646
Available from: 2018-01-12 Created: 2018-01-12 Last updated: 2018-01-12

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