Diversity of the subspecies Bifidobacterium animalis subsp lactis

0475940 - ÚŽFG 2018 RIV GB eng J - Journal Article
Bunešová, V. - Killer, Jiří - Javůrková, B. - Vlková, E. - Tejnecký, V. - Musilová, S. - Rada, V.
Diversity of the subspecies Bifidobacterium animalis subsp lactis.
Anaerobe. Roč. 44, č. 1 (2017), s. 40-47. ISSN 1075-9964. E-ISSN 1095-8274
Institutional support: RVO:67985904
Keywords : bifidobacteria * environment * origin
OECD category: Microbiology
Impact factor: 2.742, year: 2017

Strains of Bifidobacterium animalis subsp. lactis are well-known health-promoting probiotics used commercially. B. animalis subsp. lactis has been isolated from different sources, and little is known about animal isolates of this taxon. The aim of this study was to examine the genotypic and phenotypic diversity between B. animalis subsp. lactis strains different animal hosts including Cameroon sheep, Barbary sheep, okapi, mouflon, German Shepard and to compare to BB12, food isolates and the collection strain DSM 10140. Ten strains of B. animalis subsp. lactis from different sources were characterised by phenotyping, fingerprinting, and multilocus sequence typing (MLST). Regardless of origin, MLST and phylogenetic analyses revealed a close relationship between strains of B. animalis subsp. lactis with commercial and animal origin with the exception of isolates from ovine cheese, mouflon and German Shepard dog. Moreover, isolates from dog and mouflon showed significant differences in fermentation profiles and peptide mass fingerprints (MALDI-TOF). Results indicated phenotypic and genotypic diversity among strains of B. animalis subsp. lactis.
Permanent Link: http://hdl.handle.net/11104/0272529