| Genetic analysis of Drosophila sechellia specialization: oviposition behavior toward the major aliphatic acids of its host plant. | |
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MedLine Citation:
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PMID: 9926614 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Oviposition behavior of the four species in the Drosophila melanogaster complex (D. melanogaster, D. simulans, D. mauritiana, D. sechellia) was investigated versus natural morinda fruit (the normal resource of D. sechellia) and the two major aliphatic acids of this fruit (hexanoic acid, C6, and octanoic acid, C8). Two different experimental techniques were compared. When control and experimental food were set on the same egg laying plate, three species (D. sechellia, D. mauritiana, D. melanogaster) exhibited a significant preference for morinda; with aliphatic acids, only D. sechellia manifested a preference. With separate oviposition sites, a preference was found in D. sechellia for morinda and acids, and a general avoidance behavior in the three other species. Genetic analysis of the behavioral response toward C6 and C8 was done with the two plates technique on D. sechellia, D. simulans, F1 hybrids and backcrosses. Significant behavioral differences were observed with major effects due to genotype, concentration and their interaction. Hybrid behaviors were intermediate between those of their parents. In several cases, a qualitative reversal from preference to avoidance was observed with increasing concentration. In F1 flies, a dominance reversal was observed with increasing C8 concentration. Different reaction thresholds in different receptors might explain such observations. |
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Authors:
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M Amlou; B Moreteau; J R David |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Behavior genetics Volume: 28 ISSN: 0001-8244 ISO Abbreviation: Behav. Genet. Publication Date: 1998 Nov |
Date Detail:
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Created Date: 1999-03-03 Completed Date: 1999-03-03 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0251711 Medline TA: Behav Genet Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 455-64 Citation Subset: IM |
Affiliation:
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Laboratoire Populations, Génétique et Evolution, Centre National de la Recherche Scientifique, Gif-sur-Yvette, France. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Crosses, Genetic Data Interpretation, Statistical Drosophila / genetics* Drosophila melanogaster / genetics* Female Fruit* Hexanoic Acids* Models, Genetic Octanoic Acids* Oviposition / genetics* Seychelles Species Specificity |
| Chemical | |
Reg. No./Substance:
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0/Hexanoic Acids; 0/Octanoic Acids; 124-07-2/caprylic acid; 142-62-1/hexanoic acid |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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