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Antifeedants Produced by Bacteria Associated with the Gut of the Pine Weevil Hylobius abietis
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry. KTH, School of Biotechnology (BIO). (Ecological Chemistry Group)ORCID iD: 0000-0003-4970-8352
KTH.
KTH, School of Biotechnology (BIO), Industrial Biotechnology.
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2017 (English)In: Microbial Ecology, ISSN 0095-3628, E-ISSN 1432-184X, Vol. 74, no 1, 177-184 p.Article in journal (Refereed) Published
Abstract [en]

The pine weevil, Hylobius abietis, is a severe forest pest insect as it feeds on newly planted conifer seedlings. To identify and develop an antifeedant could be one step towards the protection of seedlings from feeding damage by the pine weevil. With the aim to trace the origin of the antifeedants previously found in feces of the pine weevil, we investigated the culturable bacteria associated with the gut and identified the volatiles they produced. Bacterial isolates were identified by 16S ribosomal RNA gene analysis. The volatile emissions of selected bacteria, cultivated on NB media or on the grated phloem of Scots pine twigs dispersed in water, were collected and analyzed by solid-phase microextraction gas chromatography-mass spectrometry. The bacterial isolates released a variety of compounds, among others 2-methoxyphenol, 2-phenylethanol, 3-methyl-1-butanol, 1-octen-3-ol, 3-octanone, dimethyl disulfide, and dimethyl trisulfide. A strong antifeedant effect was observed by 2-phenylethanol, which could thus be a good candidate for use to protect planted conifer seedlings against feeding damage caused by H. abietis.

Place, publisher, year, edition, pages
SPRINGER , 2017. Vol. 74, no 1, 177-184 p.
Keyword [en]
Hylobius abietis, Rahnella, Brevundimonas, 2-Methoxyphenol, 2-Phenylethanol, Antifeedant
National Category
Water Treatment Microbiology
Identifiers
URN: urn:nbn:se:kth:diva-210344DOI: 10.1007/s00248-016-0915-5ISI: 000403255500017Scopus ID: 2-s2.0-85009191802OAI: oai:DiVA.org:kth-210344DiVA: diva2:1119584
Note

QC 20170704

Available from: 2017-07-04 Created: 2017-07-04 Last updated: 2017-07-04Bibliographically approved

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Axelsson, KarolinKonstanzer, VeraRajarao, Gunaratna KuttuvaSeriot, LisaBorg-Karlson, Anna-Karin
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Organic ChemistrySchool of Biotechnology (BIO)KTHIndustrial Biotechnology
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CiteExportLink to record
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