[On the origin of Yersinia pestis, a causative agent of the plague: A concept of population-genetic macroevolution in transitive environment]
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An ecological scenario is proposed for the origin of causative agent of the plague (the bacterium Yersenia pestis) from the clone of pseudotuberculous microbe of the first serotype Y. pseudotuberculosis O:1b. Disclosed are the conditions of gradual intrusion o... ...