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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Policha, Tobias Davis, Aleah Barnadas, Melinda Dentinger, Bryn T. M. Raguso, Robert A. Roy, Bitty A. |
| Description | Country affiliation: United States Author Affiliation: Policha T ( Institute of Ecology & Evolution, 5289 University of Oregon, Eugene, OR, 97403, USA.); Davis A ( Institute of Ecology & Evolution, 5289 University of Oregon, Eugene, OR, 97403, USA.); Barnadas M ( Department of Visual Arts, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA.); Dentinger BT ( Magpie Studio: Fabrication for Art and Science, La Jolla, CA, 92092, USA.); Raguso RA ( Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3DS, UK.); Roy BA ( Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Cledwyn Building, Penglais, Aberystwyth, Ceredigion, SY23 3DD, UK.) |
| Abstract | Flowers use olfactory and visual signals to communicate with pollinators. Disentangling the relative contributions and potential synergies between signals remains a challenge. Understanding the perceptual biases exploited by floral mimicry illuminates the evolution of these signals. Here, we disentangle the olfactory and visual components of Dracula lafleurii, which mimics mushrooms in size, shape, color and scent, and is pollinated by mushroom-associated flies. To decouple signals, we used three-dimensional printing to produce realistic artificial flower molds that were color matched and cast using scent-free surgical silicone, to which we could add scent. We used GC-MS to measure scents in co-occurring mushrooms, and related orchids, and used these scents in field experiments. By combining silicone flower parts with real floral organs, we created chimeras that identified the mushroom-like labellum as a source of volatile attraction. In addition, we showed remarkable overlap in the volatile chemistry between D. lafleurii and co-occurring mushrooms. The characters defining the genus Dracula - a mushroom-like, 'gilled' labellum and a showy, patterned calyx - enhance pollinator attraction by exploiting the visual and chemosensory perceptual biases of drosophilid flies. Our techniques for the manipulation of complex traits in a nonmodel system not conducive to gene silencing or selective breeding are useful for other systems. |
| File Format | HTM / HTML |
| ISSN | 0028646X |
| Issue Number | 3 |
| Journal | New Phytologist |
| Volume Number | 210 |
| e-ISSN | 14698137 |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2016-05-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Plant Science |
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