NDLI: Plasticity and Genotype × Environment Interactions for Locomotion in Drosophila melanogaster Larvae

Content Provider	Springer Nature Link
Author	Del Pi, Francisco Salgado, Erika Godoy Herrera, Raúl
Copyright Year	2011
Abstract	Locomotion is a primary means by which animals interact with the world. To understand the contribution of genotype × environment interactions to individual differences in D. melanogaster larval locomotion we investigated phenotypic sensitivity to environmental changes in four strains of this species and their F1 hybrids. We also investigated to what extent flexibility and plasticity of locomotion depend upon larval age. Specifically, we examined larval locomotion at 48 and 96 h of development on three different substrates. Locomotion was influenced by the structure of the substrate, but this depended on both the genotype and larval age. At 48 h of larval development phenotypic variation in locomotion was attributable to both genotype × environment interactions and genotypic differences among the larvae, while at 96 h of age, differences were mainly due to genotype × environment interactions. An analysis of variance of the 4 × 4 diallel cross made at 48 and 96 h of development showed, depending on the cross, either dominance to increase/decrease locomotion, overdominance to increase/decrease locomotion, or no dominance to increase/decrease locomotion. Furthermore, the diversity of behavioral responses in the F1 hybrids was greater at 96 than at 48 h of larval development. Our results demonstrate that genotype × environment interactions result in plasticity of D. melanogaster larval locomotion, which makes sense in light of the fact that larvae, in the wild, develop in heterogeneous and rapidly changing environments.
Starting Page	162
Ending Page	169
Page Count	8
File Format	PDF
ISSN	00018244
Journal	Behavior Genetics
Volume Number	42
Issue Number	1
e-ISSN	15733297
Language	English
Publisher	Springer US
Publisher Date	2011-08-05
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	D. melanogaster larval locomotion Larval development Diallel cross Plasticity Genotype × environment interactions Health Psychology Clinical Psychology Public Health/Gesundheitswesen
Content Type	Text
Resource Type	Article
Subject	Genetics Ecology, Evolution, Behavior and Systematics Genetics (clinical)

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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