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FEMS Microbiol Lett. 2002 Jun 18;212(1):133-8.

The membrane-associated F(0)F(1) ATPase is essential for the viability of Streptococcus pneumoniae.

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1
Unidad de Genética Bacteriana (Consejo Superior de Investigaciones Científicas), Centro Nacional de Microbiología, Instituto de Salud Carlos III, 28220 Majadahonda, Madrid, Spain

Abstract

Genetic studies aimed at eliminating expression of the atp operon (F(0)F(1) H(+)-ATPase) of Streptococcus pneumoniae by genetic disruption of atpC, the first gene of the operon, with a chloramphenicol-resistance cassette were performed. Resistant transformants were obtained only when the recipient strain had a duplication of atpC, recombination occurring in such a way that transcription of the operon from its own promoter was allowed. These results imply that the atp operon is essential for the viability of the cells.

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