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A Deceptive Pollina...
A Deceptive Pollination System Targeting Drosophilids through Olfactory Mimicry of Yeast
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- Stökl, Johannes (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Växtskyddsbiologi,Department of Plant Protection Biology
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- Hansson, Bill (författare)
- Max Planck Institute for Chemical Ecology
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(creator_code:org_t)
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- Elsevier BV, 2010
- 2010
- Engelska.
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Ingår i: Current Biology. - : Elsevier BV. - 0960-9822 .- 1879-0445. ; 20, s. 1846-1852
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http://www.cell.com/...
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https://res.slu.se/i...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- In deceptive pollination, insects are bamboozled into performing nonrewarded pollination. A prerequisite for the evolutionary stability in such systems is that the plants manage to generate a perfect sensory impression of a desirable object in the insect nervous system [1]. The study of these plants can provide important insights into sensory preference of their visiting insects. Here, we present the first description of a deceptive pollination system that specifically targets drosophilid flies. We show that the examined plant (Arum palaestinum) accomplishes its deception through olfactory mimicry of fermentation, a strategy that represents a novel pollination syndrome. The lily odor is composed of volatiles characteristic of yeast, and produces in Drosophila melanogaster an antennal detection pattern similar to that elicited by a range of fermentation products. By functional imaging, we show that the lily odors target a specific subset of odorant receptors (ORs), which include the most conserved OR genes in the drosophilid olfactome. Furthermore, seven of eight visiting drosophilid species show a congruent olfactory response pattern to the lily, in spite of comprising species pairs separated by similar to 40 million years [2], showing that the lily targets a basal function of the fly nose, shared by species with similar ecological preference.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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