Skip to main content

Advertisement

Table 5 Phenotypic characteristics of the tested Bifidobacterium species: 67:Bifidobacterium sp. RBL67; 68: Bifidobacterium sp. RBL68; 70:Bifidobacterium sp. RBL70; 21689:B. thermacidophilum subsp.porcinum LMG21689T; 21395: B. thermacidophilum subsp.thermacidophilum LMG21395T; 20210: B. thermophilum DSM20210T; 10140: B. animalis subsp. lactis DSM10140T

From: Classification of a moderately oxygen-tolerant isolate from baby faeces as Bifidobacterium thermophilum

  67 68 70 21689 21395 20210 10140
L-arabinose - - - - + - +
D-ribose - - - D - - +
D-galactose D + D + + + +
D-fructose + + + + - + D
D-mannose - - - - - - D
Methyl-AD-mannopyranoside D - - - - D -
Methyl-AD-glucopyranoside + D - + + + +
Amygdalin - - - - D + +
Arbutin D - - D D + -
Esculin ferric citrate + D - + D + +
Salicin - - - D D + +
D-lactose (bovine) - - - + - w +
D-trehalose - - D W - D -
Inulin w D w - - D -
Gentiobiose - - - - - + D
D-melezitose - - D - - D -
Minimum growth temp. (°C) ≤25 ≤25 n. d. ≤25 ≤25 ≤25 ≤25
Maximum growth temp. (°C) 47 47 47 47 49 47 46
Minimum growth pH ≤4 ≤4.5 ≤4 ≤4.5 ≤4.5 ≤4.2 ≤4.5
DNA G+C content (mol-%) 59.7 n. d. n. d. 61.5 57.7 60 61.9
  1. +, positive reaction; -, negative reaction; w, weak reaction; D, variable reaction → colour could not be assigned to either yellow or blue; n. d.: not determined