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Evolution of a Polyphenism by Genetic Accommodation
Polyphenisms are adaptations in which a genome is associated with discrete alternative phenotypes in different environments. Little is known about the mechanism by which polyphenisms originate. WeExpand
The developmental control of size in insects
The mechanisms that control the sizes of a body and its many parts remain among the great puzzles in developmental biology. Why do animals grow to a species‐specific body size, and how is theExpand
The role of Broad in the development of Tribolium castaneum: implications for the evolution of the holometabolous insect pupa
The evolution of complete metamorphosis in insects is a key innovation that has led to the successful diversification of holometabolous insects, yet the origin of the pupa remains an enigma. Here, weExpand
The maternal and early embryonic transcriptome of the milkweed bug Oncopeltus fasciatus
BackgroundMost evolutionary developmental biology ("evo-devo") studies of emerging model organisms focus on small numbers of candidate genes cloned individually using degenerate PCR. However, newlyExpand
Evolution of insect abdominal appendages: are prolegs homologous or convergent traits?
Abstract. Many insects possess abdominal prolegs, raising the question of whether these prolegs are homologous or convergent structures. One way to address this issue is to compare mechanismsExpand
Larval leg integrity is maintained by Distal-less and is required for proper timing of metamorphosis in the flour beetle, Tribolium castaneum.
The dramatic transformation from a larva to an adult must be accompanied by a coordinated activity of genes and hormones that enable an orchestrated transformation from larval to pupal/adult tissues.Expand
Spatial and temporal expression pattern of POU-M1/SGF-3 in Bombyx mori embryogenesis
Abstract The expression pattern of the POU-M1/SGF-3 gene during Bombyx embryogenesis has been analysed using in situ hybridization and immunohistochemistry. At the early embryo retraction stage, bothExpand
Embryonic silk gland development in Bombyx: molecular cloning and expression of the Bombyx trachealess gene
Abstract We describe embryonic development of the Bombyx silk gland. To extend the analysis further we isolated a Bombyx counterpart gene ofthe Drosophilatrachealess (trh) gene. Bombyx trh encodes aExpand
Genetic basis of adaptive evolution of a polyphenism by genetic accommodation
Polyphenisms are evolved adaptations in which a genome produces discrete alternative phenotypes in different environments. In this study, the genetic basis of the evolution of a polyphenism byExpand
The role of juvenile hormone and insulin/TOR signaling in the growth of Manduca sexta
BackgroundIn many insect species, fitness trade-offs exist between maximizing body size and developmental speed. Understanding how various species evolve different life history strategies requiresExpand