A Single Basis for Developmental Buffering of Drosophila Wing Shape
Open Access
- 20 December 2006
- journal article
- research article
- Published by Public Library of Science (PLoS) in PLOS ONE
- Vol. 1 (1) , e7
- https://doi.org/10.1371/journal.pone.0000007
Abstract
The nature of developmental buffering processes has been debated extensively, based on both theoretical reasoning and empirical studies. In particular, controversy has focused on the question of whether distinct processes are responsible for canalization, the buffering against environmental or genetic variation, and for developmental stability, the buffering against random variation intrinsic in developmental processes. Here, we address this question for the size and shape of Drosophila melanogaster wings in an experimental design with extensively replicated and fully controlled genotypes. The amounts of variation among individuals and of fluctuating asymmetry differ markedly among genotypes, demonstrating a clear genetic basis for size and shape variability. For wing shape, there is a high correlation between the amounts of variation among individuals and fluctuating asymmetry, which indicates a correspondence between the two types of buffering. Likewise, the multivariate patterns of shape variation among individuals and of fluctuating asymmetry show a close association. For wing size, however, the amounts of individual variation and fluctuating asymmetry are not correlated. There was a significant link between the amounts of variation between wing size and shape, more so for fluctuating asymmetry than for variation among individuals. Overall, these experiments indicate a considerable degree of shared control of individual variation and fluctuating asymmetry, although it appears to differ between traits.Keywords
This publication has 48 references indexed in Scilit:
- SYMMETRY BREAKING IN INTERSPECIFIC DROSOPHILA HYBRIDS IS NOT DUE TO DEVELOPMENTAL NOISEEvolution, 2006
- A STUDY OF CANALIZATION AND DEVELOPMENTAL STABILITY IN THE STERNOPLEURAL BRISTLE SYSTEM OF DROSOPHILA MELANOGASTEREvolution, 2005
- Developmental instability of the Drosophila wing as an index of genomic perturbation and altered cell proliferationEvolution & Development, 2005
- THE RELATIONSHIP BETWEEN FLUCTUATING ASYMMETRY AND ENVIRONMENTAL VARIANCE IN RHESUS MACAQUE SKULLSEvolution, 2005
- Developmental integration in a complex morphological structure: how distinct are the modules in the mouse mandible?Evolution & Development, 2003
- Evolutionary capacitance as a general feature of complex gene networksNature, 2003
- INBREEDING, DEVELOPMENTAL STABILITY, AND CANALIZATION IN THE SAND CRICKET GRYLLUS FIRMUSEvolution, 2003
- SHAPE ANALYSIS OF SYMMETRIC STRUCTURES: QUANTIFYING VARIATION AMONG INDIVIDUALS AND ASYMMETRYEvolution, 2002
- MORPHOLOGICAL INTEGRATION BETWEEN DEVELOPMENTAL COMPARTMENTS IN THE DROSOPHILA WINGEvolution, 2000
- Geometric Morphometrics of Developmental Instability: Analyzing Patterns of Fluctuating Asymmetry with Procrustes MethodsEvolution, 1998