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1. Ehrmann  MA, Vogel  RF,     ( 2005 )

Taxonomic note "Lactobacillus pastorianus" (Van Laer, 1892) a former synonym for Lactobacillus paracollinoides.

Systematic and applied microbiology 28 (1)
PMID : 15709365  :   DOI  :   10.1016/j.syapm.2004.09.007     DOI  :   10.1016/j.syapm.2004.09.007    
Abstract >>
Lactobacillus pastorianus (Van Laer, 1892) is not a validly described species and is not included in the Approved List of Bacterial Names. The strain is available in multiple culture collections as Lactobacillus sp. DSM 20197, L. brevis ATCC 8291, "L. pastorianus" CECT 5926, L. brevis JCM 1113, and "L. pastorianus" LMG 11990. Nearly identical 16S rRNA sequences and protein encoding genes for 6-phosphogluconate dehydrogenase (99.9%) revealed this strain as L. paracollinoides. A 16S-23S rRNA intergenic spacer region-based PCR assay did not differentiate "L. pastorianus" DSM 20197 from L. paracollinoides DSM 15502(T). Highly similar RAPD profiles differentiated both strains below species level.
KeywordMeSH Terms
2. Suzuki  K, Ozaki  K, Yamashita  H,     ( 2004 )

Comparative analysis of conserved genetic markers and adjacent DNA regions identified in beer-spoilage lactic acid bacteria.

Letters in applied microbiology 39 (3)
PMID : 15287868  :   DOI  :   10.1111/j.1472-765X.2004.01572.x    
Abstract >>
To conduct an inter-species comparative study on the nucleotide sequences of the conserved DNA regions surrounding ORF5, a genetic marker for differentiating beer-spoilage lactic acid bacteria. The conserved DNA regions surrounding ORF5 were examined by PCR analysis, using three beer-spoilage strains, Lactobacillus brevis ABBC45C, L. paracollinoides LA2T and Pediococcus damnosus ABBC478. As a result, the DNA regions containing ORF1-7, originally found in ABBC45C, appeared to be conserved among the three strains, while the downstream region was not found in L. paracollinoides LA2T and P. damnosus ABBC478. The sequencing analysis of the conserved DNA regions of LA2T and ABBC478 revealed ca 99% nucleotide sequence identities with that of ABBC45C. The nucleotide sequences of the ca 8.2 kb DNA regions containing ORF1-7 were virtually identical among the three strains belonging to different species. The internal organizations of the ORFs were found to be remarkably similar. The level of nucleotide sequence identities suggests the DNA regions surrounding ORF5 were horizontally acquired by these beer-spoilage strains belonging to the three different species of lactic acid bacteria.
KeywordMeSH Terms
Genetic Markers
3. Naser  SM, Dawyndt  P, Hoste  B, Gevers  D, Vandemeulebroecke  K, Cleenwerck  I, Vancanneyt  M, Swings  J,     ( 2007 )

Identification of lactobacilli by pheS and rpoA gene sequence analyses.

International journal of systematic and evolutionary microbiology 57 (Pt 12)
PMID : 18048724  :   DOI  :   10.1099/ijs.0.64711-0    
Abstract >>
The aim of this study was to evaluate the use of the phenylalanyl-tRNA synthase alpha subunit (pheS) and the RNA polymerase alpha subunit (rpoA) partial gene sequences for species identification of members of the genus Lactobacillus. Two hundred and one strains representing the 98 species and 17 subspecies were examined. The pheS gene sequence analysis provided an interspecies gap, which in most cases exceeded 10 % divergence, and an intraspecies variation of up to 3 %. The rpoA gene sequences revealed a somewhat lower resolution, with an interspecies gap normally exceeding 5 % and an intraspecies variation of up to 2 %. The combined use of pheS and rpoA gene sequences offers a reliable identification system for nearly all species of the genus Lactobacillus. The pheS and rpoA gene sequences provide a powerful tool for the detection of potential novel Lactobacillus species and synonymous taxa. In conclusion, the pheS and rpoA gene sequences can be used as alternative genomic markers to 16S rRNA gene sequences and have a higher discriminatory power for reliable identification of species of the genus Lactobacillus.
KeywordMeSH Terms
4. Sun  Z, Harris  HM, McCann  A, Guo  C, Argimón  S, Zhang  W, Yang  X, Jeffery  IB, Cooney  JC, Kagawa  TF, Liu  W, Song  Y, Salvetti  E, Wrobel  A, Rasinkangas  P, Parkhill  J, Rea  MC, O'Sullivan  O, Ritari  J, Douillard  FP, Paul Ross  R, Yang  R, Briner  AE, Felis  GE, de Vos  WM, Barrangou  R, Klaenhammer  TR, Caufield  PW, Cui  Y, Zhang  H, O'Toole  PW,     ( 2015 )

Expanding the biotechnology potential of lactobacilli through comparative genomics of 213 strains and associated genera.

Nature communications 6 (N/A)
PMID : 26415554  :   DOI  :   10.1038/ncomms9322     PMC  :   PMC4667430    
Abstract >>
Lactobacilli are a diverse group of species that occupy diverse nutrient-rich niches associated with humans, animals, plants and food. They are used widely in biotechnology and food preservation, and are being explored as therapeutics. Exploiting lactobacilli has been complicated by metabolic diversity, unclear species identity and uncertain relationships between them and other commercially important lactic acid bacteria. The capacity for biotransformations catalysed by lactobacilli is an untapped biotechnology resource. Here we report the genome sequences of 213 Lactobacillus strains and associated genera, and their encoded genetic catalogue for modifying carbohydrates and proteins. In addition, we describe broad and diverse presence of novel CRISPR-Cas immune systems in lactobacilli that may be exploited for genome editing. We rationalize the phylogenomic distribution of host interaction factors and bacteriocins that affect their natural and industrial environments, and mechanisms to withstand stress during technological processes. We present a robust phylogenomic framework of existing species and for classifying new species.
KeywordMeSH Terms
Phylogeny

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