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Article
Open AccessEvolution of a neuromuscular sexual dimorphism in the Drosophila montium species group
While epigamic traits likely evolve via sexual selection, the mechanism whereby internal sexual dimorphism arises remains less well understood. Seeking clues as to how the internal sexual dimorphism evolved, w...
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Article
A novel point mutation of acetylcholinesterase in a trichlorfon-resistant strain of the oriental fruit fly Bactrocera dorsalis (Diptera: Tephritidae)
Acetylcholinesterase (AChE) is the target enzyme of organophosphorus and carbamate insecticides. We applied trichlorfon to select resistant strains of Bactrocera dorsalis Hendel in the laboratory. Two trichlorfon...
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Article
Strong Purifying Selection on the Odysseus Gene in Two Clades of Sibling Species of the Drosophila montium Species Subgroup
The Odysseus (OdsH) gene was duplicated from its ancestral neuron-expressed gene, unc-4, and then evolved very rapidly under strong positive Darwinian selection as a speciation gene causing hybrid-male sterility ...