Table 1.

Strains used in the study and fluorogenic assay results using CerTAQ-1 and CerTAQ-2

StrainaSourcebOriginΔRQ using:
CerTAQ-1CerTAQ-2
W1-1-3LMTWhey0.110.66
ATCC 10987ATCCUnknown0.08 NDc
W24-1-1LMTWhey0.141.63
W39-1-2LMTWhey0.040.20
W41-1-1LMTWhey4.880.67
W44-1-1LMTWhey0.30ND
W45-2-1LMTWhey0.34ND
W30-1-3LMTWhey0.111.03
W32-2-3LMTWhey0.01ND
W35-1-2LMTWhey0.08ND
W47-1-1LMTWhey0.72ND
W50-1-1LMTWhey0.79ND
W50-2-1LMTWhey0.83ND
W48-2-1LMTWhey0.81ND
W51-1-3LMTWhey0.76ND
W49-1-1LMTWhey0.33ND
W39-1-3LMTWhey0.090.19
W46-1-2LMTWhey0.72ND
W52-2-2LMTWhey0.18ND
7-PUSDAUnknown0.050.43
7-VUSDAUnknown0.170.50
F4433/73USDAMeat loaf0.480.97
F837/76WongProstate infection0.29ND
W38-1-1LMTWhey0.231.03
F58LMTUnknown0.83ND
F58-2LMTUnknown0.80ND
ATCC 14579ATCCUnknown3.55ND
17-BM USDAUnknown3.451.03
17-PUSDAUnknown3.210.90
W27-1-1LMTWhey4.591.32
W37-1-1LMTWhey5.211.42
W42-1-1LMTWhey4.69ND
W5-2-1LMTWhey3.240.98
B4ac-1USDAPea soup4.020.82
B4ac-2USDAPea soup4.950.86
B6acM USDAUnknown4.470.80
H129M LMTUnknown5.29ND
H224M LMTUnknown5.60ND
R-96M USDAUnknown3.470.83
Soc 67WongPeriodontal3.40ND
S232M LMTUnknown0.21ND
AM232LMTUnknown5.57ND
SSA-70USDAUnknown0.130.48
T-2M USDAUnknown0.1ND
F4370/75USDABarbecue chicken0.481.39
NCTC11145M USDAMeat loaf0.370.92
ATCC 10876ATCCUnknown3.70ND
45814/70USDAUnknown3.851.00
F4810/72M USDARice3.970.83
MGBC142WongEndophthalmitis3.28ND
MGBC145WongEndophthalmitis3.24ND
NCTC11143USDACooked rice4.371.03
JAP-IVUSDAUnknown0.160.62
F4552/75USDAVomitus0.180.60
3-VUSDAUnknown0.451.42
5056USDAMeat loaf3.491.22
H-13USDAUnknown4.330.85
6-1-1LMTWhey0.161.99
ATCC 11778ATCCUnknown3.75ND
2-OUSDAUnknown3.140.95
2-PUSDAUnknown4.330.43
2-VUSDAUnknown2.640.92
53-1-3LMTWhey4.89ND
MAC-1M USDAMacaroni and cheese3.620.93
T-1USDAUnknown4.05ND
RAL-14USDAUnknown0.150.39
W15-1-2LMTWhey3.720.92
W2-1-1LMTWhey0.01ND
W7-1-1LMTWhey3.530.90
W20-2-3LMTWhey0.230.14
W43-1-1LMTWhey0.23ND
W43-1-2LMTWhey0.27ND
B. thuringiensis824QualiconUnknown0.190.14
B. thuringiensis 639QualiconUnknown0.220.18
B. thuringiensis713QualiconUnknown0.230.14
B. thuringiensis 833QualiconUnknown0.180.18
B. thuringiensis826QualiconUnknown3.821.05
  • a All strains are B. cereusexcept for five B. thuringiensis strains. A superscript M indicates that the strain displayed rhizoid-like growth typical ofB. mycoides.

  • b USDA, U.S. Department of Agriculture, Philadelphia, Pa.; Qualicon, Qualicon, Inc., Wilmington, Del.; LMT, Laboratory for Molecular Typing, Cornell University, Ithaca, N.Y.; ATCC, American Type Culture Collection, Manassas, Va.; Wong, Amy C. Lee Wong, Department of Food Microbiology and Toxicology, University of Wisconsin, Madison.

  • c ND, not determined.