TABLE 1.

Bacterial strains used

SpeciesStrainaPCR results obtained with L. casei group-specific primersbOrigin
L. acidophilusATCC 4356THuman
L. amylovorusDSM 20531TCattle waste (corn silage)
L. crispatusDSM 20584TUnknown
NCDO A4Unknown
L. gallinarumATCC 33199TChicken crop
L. helveticusATCC 15009TCheese
CNRZ 303Cheese
L. delbrueckii subsp. bulgaricusATCC 11842TYogurt
L. delbrueckii subsp. delbrueckiiATCC 9649TSour grain mash
L. delbrueckii subsp. lactisATCC 12315TCheese
L. gasseriDSM 20243T
ATCC 19992Feces
L. johnsoniiATCC 33200THuman blood
NCC 533Human feces
L. reuteriDSM 20016THuman feces
L. fermentumATCC 14931TUnknown
L. rhamnosusATCC 11443L. rhamnosusUnknown
ATCC 11981L. rhamnosusUnknown
NCC 2504TL. rhamnosusUnknown
L. caseiNCDO 173L. caseiUnknown
NCC 2508TL. caseiCheese
L. paracasei subsp. paracaseiATCC 27216L. paracasei subsp. paracaseiSaliva of child
NCC 989TL. paracasei subsp. paracaseiUnknown
NCC 2461L. paracasei subsp. paracaseiInfant feces
B. longumATCC 15707TIntestine of adult
NCC 2705Infant feces
B. infantisATCC 15697TIntestine of infant
B. bifidumATCC 29521TInfant feces
B. lactisDSM 10140TYogurt
B. catenulatumDSM 20103TIntestine of adult
B. adolescentisATCC 15703TIntestine of adult
B. breveATCC 15700TIntestine of infant
B. animalisATCC 25527TRat feces
L. casei groupNCC 400L. paracasei subsp. paracaseiUnknown
NCC 438L. paracasei subsp. paracaseiUnknown
NCC 476L. paracasei subsp. paracaseiYogurt
NCC 1002L. paracasei subsp. paracaseiMilking machine
NCC 2548L. paracasei subsp. paracaseiAdult feces
NCC 2556L. paracasei subsp. paracaseiAdult feces
NCC 171L. paracasei subsp. paracaseiPizza
NCC 617L. caseiUnknown
NCC 596L. rhamnosusUnknown
NCC 587L. rhamnosusUnknown
NCC 2488L. rhamnosusInfant feces
NCC 534L. rhamnosusUnknown
NCC 2455L. rhamnosusInfant feces
NCC 511L. paracasei subsp. paracaseiWine
NCC 500L. paracasei subsp. paracaseiWine
NCC 443L. paracasei subsp. paracaseiWine
NCC 588L. paracasei subsp. paracaseiUnknown
NCC 1813L. paracasei subsp.paracaseiUnknown
NCC 2501L. paracasei subsp. paracaseiUnknown
NCC 558L. paracasei subsp. paracaseiFermented drink
NCC 2472L. paracasei subsp. paracaseiAdult feces
NCC 159L. paracasei subsp. paracaseiPizza
NCC 179L. paracasei subsp. paracaseiPizza
NCC 174L. paracasei subsp. paracaseiPizza
NCC 177L. paracasei subsp. paracaseiPizza
NCC 2511L. paracasei subsp. paracaseiUnknown
NCC 2537L. paracasei subsp. paracaseiPanenone
NCC 108L. caseiUnknown
NCC 546L. caseiItalian cheese
  • a ATCC, American Type Culture Collection; DSM, Deutsche Sammlung von Mikroorganismen; NCDO, National Collection of Dairy Organisms; CNRZ, Centre National de Recherches Zootechniques; NCC, Nestlé Culture Collection. L. casei group strains were used for species-specific detection.

  • b Identification by the multiplex PCR assay described in this study.