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  • 1.
    Jonsson, Bengt Gunnar
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Pe'er, Guy
    Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany.
    Svoboda, Miroslav
    Czech University of Life Sciences, Prague, Czech Republic .
    Forests: not just timber plantations2015In: Nature, ISSN 0028-0836, E-ISSN 1476-4687, Vol. 521, no 7550, p. 32-32Article in journal (Refereed)
  • 2.
    Lassance, J-M
    et al.
    Department of Biology, Lund University, 22362 Lund, Sweden.
    Groot, A T
    Department of Entomology, Max-Planck Institute for Chemical Ecology, 07745 Jena, Germany.
    Liénard, M A
    Department of Biology, Lund University, 22362 Lund, Sweden.
    Antony, B
    Department of Biology, Lund University, 22362 Lund, Sweden.
    Borgwardt, C
    Department of Entomology, Max-Planck Institute for Chemical Ecology, 07745 Jena, Germany.
    Andersson, Fredrik
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Hedenström, Erik
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Heckel, D G
    Department of Entomology, Max-Planck Institute for Chemical Ecology, 07745 Jena, Germany.
    Löfstedt, C
    Department of Biology, Lund University, 22362 Lund, Sweden.
    Allelic variation in a fatty-acyl reductase gene causes divergence in moth sex pheromones2010In: Nature, ISSN 0028-0836, E-ISSN 1476-4687, Vol. 466, no 7305, p. 486-489Article in journal (Refereed)
    Abstract [en]

    Pheromone-based behaviours are crucial in animals from insects to mammals, and reproductive isolation is often based on pheromone differences. However, the genetic mechanisms by which pheromone signals change during the evolution of new species are largely unknown. In the sexual communication system of moths (Insecta: Lepidoptera), females emit a species-specific pheromone blend that attracts males over long distances. The European corn borer, Ostrinia nubilalis, consists of two sex pheromone races, Z and E, that use different ratios of the cis and trans isomers of acetate pheromone components. This subtle difference leads to strong reproductive isolation in the field between the two races, which could represent a first step in speciation. Female sex pheromone production and male behavioural response are under the control of different major genes, but the identity of these genes is unknown. Here we show that allelic variation in a fatty-acyl reductase gene essential for pheromone biosynthesis accounts for the phenotypic variation in female pheromone production, leading to race-specific signals. Both the cis and trans isomers of the pheromone precursors are produced by both races, but the precursors are differentially reduced to yield opposite ratios in the final pheromone blend as a result of the substrate specificity of the enzymes encoded by the Z and E alleles. This is the first functional characterization of a gene contributing to intraspecific behavioural reproductive isolation in moths, highlighting the importance of evolutionary diversification in a lepidopteran-specific family of reductases. Accumulation of substitutions in the coding region of a single biosynthetic enzyme can produce pheromone differences resulting in reproductive isolation, with speciation as a potential end result.

     

     

  • 3. Wagner, W
    et al.
    Torgerson, H
    Einsiedel, E
    Jelsoe, E
    Fredrickson, H
    Lassen, J
    Rusanen, T
    Boy, D
    de Cheveigné, S
    Hampel, J
    Stathopoulou, A
    Allansdottir, A
    Midden, C
    Nielsen, T
    Przestalski, A
    Twardowski, T
    Fjæstad, Björn
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Olsson [Öhman], Susanna
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Olofsson, Anna
    Mid Sweden University, Faculty of Human Sciences, Department of Social Sciences.
    Gaskell, George
    Durant, J
    Bauer, M
    Liakopoulos, M
    Europe ambivalent on biotechnology1997In: Nature, ISSN 0028-0836, E-ISSN 1476-4687, Vol. 387, p. 845-847Article in journal (Refereed)
    Abstract [en]

    The Eurobarometer on Biotechnology (46.1) was conducted during October and November 1996. The survey conducted in each EU (European Union) country used a multi-stage random sampling procedure and provided a statistically representative sample of national residents aged 15 and over. The total sample within the EU was 16,246 respondents (about 1,000 per EU country). The survey questionnaire was designed by the authors as part of a larger study involving the comparative analysis of public perceptions, media coverage and public policy in relation to biotechnology from 1973 to the present.

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