Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 53, Issue -, Pages 253-258Publisher
SOC GENERAL MICROBIOLOGY
DOI: 10.1099/ijs.0.02158-0
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A strain (KREDT) that formed enclospores and produced the pigment prodigiosin was isolated from activated sludge. The presence of spores in cells of strain KREDT was evident upon electron microscopy examination, heat treatment and the detection of dipicolinic acid in the cells. Biochemical characteristics, and 16S rDNA sequence and DNA-DNA homology data identified strain KREDT as Serratia marcescens. The major respiratory quinone of strain KREDT was found to be ubiquinone Q-8. The formation of enclospores by Gram-negative bacteria has not been observed previously, and has never been reported in any species of Serratia. Here, it is shown that strain KREDT (JCM 11315(T) = CIP 107489(T)) represents a novel subspecies of S. marcescens, for which the name Serratia marcescens subsp. sakuensis is proposed.
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