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A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist

green. "This genomic stability may prevent the reacquisition of those lost functions or the evolution of new ones. In addition, rapid protein evolution seems to degrade the genes that remain."

In the future, major areas of research will include understanding the forces driving this mode of genome evolution, as well as the consequences on the fitness of the bacterium and its host. "Developments in endosymbiosis are important not only to questions in basic research, but may have important practical implications," notes Wernegreen. "A very promising area of endosymbiont research is the manipulation of these bacteria to control host populations in the field."


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Source:Cold Spring Harbor Laboratory


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