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Тhе kingdom Archaea, as well as Bacteria, belongs to the overkingdom Prokaryota. Halophilic archaea (Halorubrum lacusprofundi) isolated from Antarctic saline lakes contain plasmids (pR1SE) that code proteins taking part in the formation of membranes of archaea vesicles. The molecular and biological properties of pR1SE and the peculiarity of its interaction with sensitive cells are considered in this article. The role of structural proteins coded by pR1S in the process of formation of vesicle membrane complex is paid special attention. Plasmid-containing archaea vesicles model some properties of viruses. Archaea plasmids can be viewed as possible ancestors of DNA-containing viruses.

About the authors

D. K. Lvov

National Research Center for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya

Author for correspondence.
Russian Federation

T. E. Sizikova

48 Central Scientific Research Institute

Russian Federation

V. N. Lebedev

48 Central Scientific Research Institute

Russian Federation

S. V. Borisevich

48 Central Scientific Research Institute

Russian Federation


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Copyright (c) 2018 Lvov D.K., Sizikova T.E., Lebedev V.N., Borisevich S.V.

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