1887

Abstract

A strictly anaerobic, gram-negative bacterium was isolated from rice field soils by using lactate as a sole carbon and energy source. The cells were non-spore-forming, motile, curved rods. Optimal growth occurred at 35°C and pH 6.8. No NaCl requirement was observed. Vitamins were required for growth. Our isolate, strain BB (T = type strain), fermented pyruvate, fumarate, malate, citrate, dihydroxyacetone, fructose, 1,2-propanediol, glutamate, and aspartate to acetate, propionate, succinate, and traces of hydrogen. Strain BB did not use ribose or glycerol as an energy source, although glycerol degradation produced mainly 1,3-propanediol. Ferric iron was facultatively reduced. Nitrate and sulfate were not reduced. Cytochrome was present. The guanine-plus-cytosine content of the DNA was 44.1 ± 0.1 mol%. We propose that strain BB (= DSM 6283) should be the type strain of a new species in the genus .

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/content/journal/ijsem/10.1099/00207713-42-3-390
1992-07-01
2019-09-18
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http://instance.metastore.ingenta.com/content/journal/ijsem/10.1099/00207713-42-3-390
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