Ancient DNA used to map evolution of fever-causing bacteria

PHYSorg
May 22, 2025, 2:00 pm565 ptsHotTop
Researchers at the Francis Crick Institute and UCL have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained and lost genes in the process.

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