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Hybridization is known to be part of many species' evolutionary history. Sea turtles have a fascinating hybridization system in which species separated by as much as 43 million years are still capable of hybridizing. Indeed, the largest nesting populations in Brazil of loggerheads (Caretta caretta) and hawksbills (Eretmochelys imbricata) have a high incidence of hybrids between these two species....
The GO-system is a DNA repair mechanism that prevents and corrects oxidative DNA damage. Formamidopyrimidine-DNA glycosylase (FPG/MutM) participates in this system, avoiding the mutagenic effects of 8-oxoguanine lesion into DNA. Corynebacterium pseudotuberculosis, the etiological agent of caseous lymphadenitis, is a facultative intracellular microorganism vulnerable to oxidative DNA damage. Since...
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