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Characterisation of insect and plant origins using DNA extracted from small volumes of bee honey
Centre for GeoGenetics, Natural History Museum of Denmark,.
Gotland University, School of Culture, Energy and Environment.
Centre for GeoGenetics, Natural History Museum of Denmark,.
Centre for GeoGenetics, Natural History Museum of Denmark,.
2010 (English)In: Arthropod-Plant Interactions, ISSN 1872-8855, Vol. 4, no 2, 107-116 p.Article in journal (Refereed) Published
Abstract [en]

A DNA-based tool was validated that potentially enables the characterisation of both plant and insect of origin of small (approximately 1 ml) samples of bee honey. Using this method, mitochondrial, nuclear and chloroplast DNA (mtDNA, nuDNA, cpDNA) markers were successfully extracted, PCR amplified, and sequenced from a range of honeys, and the relative amount of plant nuDNA and cpDNA, and bee mtDNA in the samples was quantified using quantitative real-time PCR.

Short, but taxonomically informative lengths of insect and plant organelle DNA could be routinely recovered from all honey samples tested, and longer organelle, and nuclear DNA sequences can be recovered from many. The data also enabled preliminary characterisation of the quality of these different DNA sources in honey. Although the absolute quantity of the different genetic markers varied considerably between sample, a general trend was observed of insect mtDNA dominating over plant organelle DNA, and with plant nuclear DNA at the lowest levels. Furthermore there was a clear correlation between the plant DNA content and the success of the PCR assays. To maximise successful characterisation of samples, future studies are recommended to focus on the use of organelle markers, and limit the size of PCR amplicons targeted, although with appropriate sample selection and assay optimisation, other approaches may be possible.

Place, publisher, year, edition, pages
Dordrecht: Springer Science+Business Media B.V., 2010. Vol. 4, no 2, 107-116 p.
Keyword [en]
Mitochondrial DNA, Chloroplast DNA, Nuclear DNA, Honey Bee
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Research subject
URN: urn:nbn:se:hgo:diva-1169DOI: 10.1007/s11829-010-9089-0OAI: oai:DiVA.org:hgo-1169DiVA: diva2:460650
Available from: 2011-11-30 Created: 2011-11-30 Last updated: 2013-07-01Bibliographically approved

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Fraser, MagdalenaGilbert, M. Thomas P.
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