Leuconostoc ficulneum sp. nov., a novel lactic acid bacterium isolated from a ripe fig, and reclassification of Lactobacillus fructosus as Leuconostoc fructosum comb. nov

International Journal of Systematic and Evolutionary Microbiology
André AntunesMilton S da Costa

Abstract

An isolate, designated strain FS-1T, was recovered from a ripe fig. Phylogenetic analysis of the 16S rRNA genes and DNA-DNA reassociation values showed that the organism represented a novel species of the genus Leuconostoc closely related to Lactobacillus fructosus. The novel isolate could be distinguished from the type strain of Lactobacillus fructosus by the fatty acid composition and several phenotypic and growth characteristics. In strain FS-1T, 18:1 delta9 (18:1omega9c) was present in relatively large amounts whilst, in Lactobacillus fructosus, this fatty acid was a minor component. Strain FS-1T and Lactobacillus fructosus produced acid in API 50CHL microtubes from glucose, fructose and mannitol within 48 h, whereas only strain FS-1T also fermented trehalose, gluconate, turanose and sucrose after 48 h. Other differences in acid production from carbohydrates also distinguished strain FS-1T from Lactobacillus fructosus. Both organisms were heterofermentative with fructose as a substrate and fermented glucose only in the presence of fructose, as determined by nuclear magnetic resonance studies. Strain FS-1T was catalase-positive. On the basis of the phylogenetic analysis, DNA-DNA reassociation values, physiological and bioche...Continue Reading

Citations

Sep 8, 2009·Systematic and Applied Microbiology·Akihito EndoLeon M T Dicks
Jul 9, 2004·Journal of Applied Microbiology·M C MaciánR Aznar
Nov 26, 2010·International Journal of Systematic and Evolutionary Microbiology·Luciana AlbuquerqueMilton S da Costa
May 25, 2010·International Journal of Systematic and Evolutionary Microbiology·Akihito EndoLeon M T Dicks
Dec 8, 2009·International Journal of Systematic and Evolutionary Microbiology·Akihito EndoLeon M T Dicks
Jan 16, 2008·Journal of Applied Microbiology·Karen PerelmuterPablo Zunino
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Jan 1, 2012·Microbial Ecology in Health and Disease·Akihito Endo
Jan 3, 2014·Organic & Biomolecular Chemistry·Shaheen K MulaniKwok-Kong Tony Mong
Jul 29, 2018·Applied and Environmental Microbiology·Akihito EndoSeppo Salminen

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