TABLE 5.

Physiological characteristics of strains of 22 species of nonhemolytic streptococci determined by the Rapid ID 32 Strep systema

SpeciesNb% of strains positive
ADHβGLUβGARβGURαGALPALRIBMANSORLACTRERAFVPAPPAβGALPYRAβNAGGTAHIPGLYGPULMALMELSACMβDGTAGβMAN
Mitis group
    S. mitis16013690255013005001963540694605662063660
    S. pseudopneumoniae2050100001005050050500010000050000500500500
    S. oralis4522930407800029139698130987002438038070
    S. infantis20010000000010000010010000100001001000100000
    S. sanguinis113627004536000828299910018820964910912700
    S. gordonii9448910001110011007889001001100891100100078671167
    S. parasanguinis956117801001000011100116811100110113311001004410011330
    S. australis25005000000010000010000050005010001000500
    S. cristatus333033000000336700100000100000670670330
    S. peroris10010000100000100000100000100000100010001000
    S. sinensis10010000000000001000000000000000
Anginosus group
    S. anginosus20759500201000150608001001000000006095010080015
    S. constellatus30000010000033670671000000000670673300
    S. constellatus subsp. pharyngis101001000010000010000100100001000001001000100000
    S. intermedius47575100001000001001000100100250757500100100010025025
Bovis group
    S. infantarius100001001000001000010010000000001000100000
    S. lutetiensis4000010000002505075100000000050075000
    S. gallolyticus201000050001000100100100100100500000100100100010010000
    S. pasteurianus10100001000000100100010010010000000010001001000100
    S. macedonicus1001000000001000010010000000001000100000
Mutans group
    S. mutans40755007502510075100100100100100000025001007510050500
Salivarius group
    S. salivarius301006700330003310033100100670067001001000333300
  • a ADH, arginine dihydrolase; βGLU, β-glucosidase; βGAR, β-galactosidase detected with p-nitrophenyl-β-d-galactopyranoside as the substrate; βGUR, β-glucuronidase; αGAL, α-galactosidase; PAL, alkaline phosphatase; VP, Voges-Proskauer test; APPA, activity of alanine-phenylalanine-proline-arylamidase; βGAL, β-galactosidase detected with 2-naphthyl-β-galactopyranoside as the substrate; PYRA, pyrrolidonyl arylamidase; βNAG, N-acetyl-β-glucosaminidase; GTA, glycyl-tryptophan arylamidase; HIP, hydrolysis of hippurate; βMAN, β-mannosidase; RIB, MAN, SOR, LAC, TRE, RAF, GLYG, PUL, MAL, MEL, SAC, and TAG, fermentation of ribose, mannitol, sorbitol, lactose, trehalose, raffinose, glycogen, pullulan, maltose, melibiose, sucrose, and tagatose, respectively. All strains tested were negative for fermentation of melezitose, l-arabinose, d-arabitol, and cyclodextrin.

  • b N, number of strains.