PMID: 22567866May 10, 2012Paper

Origin of the plague microbe Yersinia pestis: structure of the process of speciation

Izvestiia Akademii nauk. Seriia biologicheskaia
V V Suntsov

Abstract

The origin and evolution of the plague microbe Yersinia pestis are considered in the context of propositions of modern Darwinism. It was shown that the plague pathogen diverged from the pseudotuberculous microbe Yersinia pseudotuberculosis O:1b in the mountain steppe landscapes of Central Asia in the Sartan: 22000-15000 years ago. Speciation occurred in the tarbagan (Marmota sibirica)--flea (Oropsylla silantiewi) parasitic system. The structure of the speciation process included six stages: isolation, genetic drift, enhancement of intrapopulational polymorphism, the beginning of pesticin synthesis (genetic conflict and emergence of hiatus), specialization (stabilization of characteristics), and adaptive irradiation (transformation of the monotypic species Y. pestis tarbagani into a polytypic species). The scenario opens up wide prospects for construction of the molecular phylogeny of the plague microbe Y. pestis and for investigation of the biochemical and molecular-genetic aspects of "Darwinian" evolution of pathogens from many other nature-focal infections.

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Citations

Jan 9, 2018·Royal Society Open Science·Nicolas PerraultT Jonathan Davies
Apr 14, 2017·Proceedings. Biological Sciences·Camille PitteloudNadir Alvarez
Nov 5, 2019·Bioengineered·Davis RusmanisJerry D Murphy

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