1887

Abstract

A fructophilic lactic acid bacterium, designated strain F214-1, was isolated from a flower of in South Africa. Based on phylogenetic analysis of 16S rRNA gene sequences, the strain formed a subcluster with and and, based on gene sequences, the strain formed a subcluster with . DNA–DNA hybridization studies showed that strain F214-1 was phylogenetically distinct from its closest relatives. Acid was produced from the fermentation of -glucose, -fructose and -mannitol only. -Fructose was the preferred sole carbon and energy source and was fermented more rapidly than -glucose. Growth of the strain on -glucose under anaerobic conditions was very weak but external electron acceptors such as oxygen and pyruvate enhanced growth on -glucose. Lactic acid and acetic acid were produced from -glucose in equimolar amounts. Ethanol was produced at very low levels, despite the strain’s obligately heterofermentative metabolism. Based on these data, strain F214-1 represents a novel species of fructophilic bacteria in the genus , for which the name sp. nov. is proposed. The type strain is F214-1 ( = JCM 16675  = DSM 23246).

Funding
This study was supported by the:
  • , South Africa/Japan Science and Technology Agency Cooperation Programme
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2011-04-01
2020-07-08
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