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Buffering Capacity of Pigmented and Nonpigmented Strains of Serratia marcescens

By Núria Rius, Montserrat Solé, Alicia Francia and José G. Lorén


The pigmented strain Serratia marcescens ATCC 274 had a higher buffering capacity and a higher membrane H+ conductance than S. marcescens GP, a spontaneous nonpigmented mutant of ATCC 274. The data suggest that mutations which apparently affect only the synthesis of a secondary metabolite can modify buffering capacity and passive H+ conductance

Topics: Physiology and Biotechnology
Year: 1994
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Provided by: PubMed Central
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