TABLE 1.

Bacterial strains used

SpeciesStrainaPCR results obtained with L. casei group-specific primersbOrigin
L. acidophilus ATCC 4356THuman
L. amylovorus DSM 20531TCattle waste (corn silage)
L. crispatus DSM 20584TUnknown
NCDO A4Unknown
L. gallinarum ATCC 33199TChicken crop
L. helveticus ATCC 15009TCheese
CNRZ 303Cheese
L. delbrueckii subsp. bulgaricusATCC 11842TYogurt
L. delbrueckii subsp. delbrueckiiATCC 9649TSour grain mash
L. delbrueckii subsp. lactisATCC 12315TCheese
L. gasseri DSM 20243T
ATCC 19992Feces
L. johnsonii ATCC 33200THuman blood
NCC 533Human feces
L. reuteri DSM 20016THuman feces
L. fermentum ATCC 14931TUnknown
L. rhamnosus ATCC 11443 L. rhamnosus Unknown
ATCC 11981 L. rhamnosus Unknown
NCC 2504T L. rhamnosus Unknown
L. casei NCDO 173 L. casei Unknown
NCC 2508T L. casei Cheese
L. paracasei subsp. paracaseiATCC 27216 L. paracasei subsp. paracaseiSaliva of child
NCC 989T L. paracasei subsp. paracaseiUnknown
NCC 2461 L. paracasei subsp. paracaseiInfant feces
B. longum ATCC 15707TIntestine of adult
NCC 2705Infant feces
B. infantis ATCC 15697TIntestine of infant
B. bifidum ATCC 29521TInfant feces
B. lactis DSM 10140TYogurt
B. catenulatum DSM 20103TIntestine of adult
B. adolescentis ATCC 15703TIntestine of adult
B. breve ATCC 15700TIntestine of infant
B. animalis ATCC 25527TRat feces
L. casei groupNCC 400 L. paracasei subsp. paracaseiUnknown
NCC 438 L. paracasei subsp. paracaseiUnknown
NCC 476 L. paracasei subsp. paracaseiYogurt
NCC 1002 L. paracasei subsp. paracaseiMilking machine
NCC 2548 L. paracasei subsp. paracaseiAdult feces
NCC 2556 L. paracasei subsp. paracaseiAdult feces
NCC 171 L. paracasei subsp. paracaseiPizza
NCC 617 L. casei Unknown
NCC 596 L. rhamnosus Unknown
NCC 587 L. rhamnosus Unknown
NCC 2488 L. rhamnosus Infant feces
NCC 534 L. rhamnosus Unknown
NCC 2455 L. rhamnosus Infant feces
NCC 511 L. paracasei subsp. paracaseiWine
NCC 500 L. paracasei subsp. paracaseiWine
NCC 443 L. paracasei subsp. paracaseiWine
NCC 588 L. paracasei subsp. paracaseiUnknown
NCC 1813 L. paracasei subsp.paracaseiUnknown
NCC 2501 L. paracasei subsp. paracaseiUnknown
NCC 558 L. paracasei subsp. paracaseiFermented drink
NCC 2472 L. paracasei subsp. paracaseiAdult feces
NCC 159 L. paracasei subsp. paracaseiPizza
NCC 179 L. paracasei subsp. paracaseiPizza
NCC 174 L. paracasei subsp. paracaseiPizza
NCC 177 L. paracasei subsp. paracaseiPizza
NCC 2511 L. paracasei subsp. paracaseiUnknown
NCC 2537 L. paracasei subsp. paracaseiPanenone
NCC 108 L. casei Unknown
NCC 546 L. casei Italian 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.