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. 2023 Apr 6;11(3):e00006-23. doi: 10.1128/spectrum.00006-23

TABLE 2.

Strain characteristicsa

Patient no. French reference center ID of isolate Animal species Age (yrs) Breed Sex French administrative departmentd Monoinfection Symptoms Species Toxin gene Elek test Sequence type Antibiotic susceptibility test result for indicated group and drugb
Aminoglycosides, gentamicin Beta-lactams, amoxicillin Macrolides Erythromycin Spiramycin Azithromycin Tetracyclines, tetracycline and doxycycline Folate pathway inhibitors, trimethoprim-sulfamethoxazole
1 FRC0804 Cat 11 Domestic shorthair F 57 No Chronic rhinitis C. ulcerans Positive Positive ST514 S S S S S S S
3 FRC0847 Cat 7 Domestic shorthair F 26 Yes Chronic rhinitis C. ulcerans Positive Weakly Positive ST325 S S S S S S S
5 FRC0886 Rat 0.9 ND ND 40 No Chronic rhinitis C. ulcerans Positive Positive ST332 I S S S NA S S
6 FRC0895 Rat 1 ND M 40 No Chronic rhinitis C. ulcerans Positive NA NA (contaminated) S S S NA NA S S
7 FRC0897 Cat ND Domestic shorthair M 41 Yes Chronic rhinitis + FIV C. ulcerans Positive Positive ST757 S S S S S S S
8 FRC0916 Dog 6 Mastiff M 78 No Sore/abscess C. ulcerans Positive Positive ST325 S S S S S S S
9 FRC0922 Cat 1 Domestic shorthair F 64 No Dermatitis C. ulcerans Positive Positive ST699 S S S S S S S
10 FRC0929 Dog 3 Basset Bleu De Gascogne F 71 Yes Sore C. ulcerans Positive Positive ST328 S S S S S S S
11 FRC1009 Dog 3 French bulldog F 17 Yes Chronic otitis C. ulcerans Positive Positive ST331 S S S S S S S
12 FRC1027 Cat 8 Domestic shorthair M 60 No Chronic otitis C. ulcerans Positive Weakly Positive ST325 S S S S S S S
13 FRC1031 Dog 5 German shepherd M 16 No Chronic otitis C. ulcerans Positive Positive ST331 S S S S S S S
14 FRC1067 Dog 2 Belgian shepherd M 62 Yes Abscess C. ulcerans Positive Positive ST331 S S S S S S S
15 FRC1084 Dog 9 Xc Lhasa Apso F 57 No Dermatitis C. ulcerans Positive Positive ST328 I S S S S S S
16 FRC1089 Dog 7 Chow chow F 06 No Chronic otitis C. ulcerans Positive Weakly Positive ST325 I S S S S S S
17 FRC1102 Cat 13 Domestic shorthair M 13 No Chronic rhinitis C. ulcerans Positive Positive ST325 S S S S S S S
18 FRC1111 Cat 8 Domestic shorthair M 77 No Sore C. ulcerans Positive Positive ST337 S S S S S S S
19 FRC1115 Dog 8 Small Bernese hound M 07 No Dermatitis C. ulcerans Positive Positive ST690 I S S S S S S
20 FRC1123 Dog 7 Jack Russell terrier M 42 No Sore C. ulcerans Positive Negative ST331 I S S S S S S
21 FRC1127 Rabbit 0.8 ND F 60 No Chronic rhinitis C. ulcerans Positive Negative ST358 S S S S S S S
22 FRC1128 Dog 1 Cane Corso F 12 Yes Chronic rhinitis C. ulcerans Positive Positive ST325 S S S S S S S
23 FRC1137 Rat 1 ND M 25 Yes Chronic rhinitis C. ulcerans Positive Positive ST332 S S S S S S S
24 FRC1148 Cat 15 Domestic shorthair F 78 No Chronic rhinitis C. ulcerans Positive Negative ST331 I S S S S S S
25 FRC0855 Cat 5 Domestic shorthair F 95 Yes Chronic rhinitis C. ulcerans Negative NR ST325 S S S S S S S
26 FRC0856 Dog ND German shepherd ND ND No Chronic otitis C. ulcerans Negative NR ST720 I S S S S S S
28 FRC0915 Cat 1 Maine Coon F 46 No Chronic rhinitis C. ulcerans Negative NR ST339 S S S S S S S
29 FRC0921 Dog 5 French mastiff M 57 No Dermatitis C. ulcerans Negative NR ST699 S S S S S S S
30 FRC0971 Dog ND Griffon M 45 No Chronic otitis C. ulcerans Negative NR ST339 S S S S S S S
31 FRC0973 Dog 9 Beauceron F 47 No Chronic otitis C. ulcerans Negative NR ST760 S S S S S S S
32 FRC0981 Dog 4 German shepherd M 77 No Chronic rhinitis C. ulcerans Negative NR ST339 S S S S S S S
34 FRC0990 Dog 6 German shepherd M 69 No Chronic rhinitis C. ulcerans Negative NR ST339 S S S S S S S
36 FRC1028 Dog 0.3 Great Dane F 77 No Dermatitis C. ulcerans Negative NR ST690 S S S S S S S
37 FRC1032 Cat 11 ND F 35 Yes Cystitis C. ulcerans Negative NR ST690 S S S S S S S
38 FRC1047 Cat 17 Domestic shorthair F 64 No Sore C. ulcerans Negative NR ST428 S S S S S S S
39 FRC1054 Cat 7 Domestic shorthair M 92 No Sore C. ulcerans Negative NR ST339 S S R R R S S
41 FRC1110 Dog 6 Cocker spaniel M 71 No Chronic otitis C. ulcerans Negative NR ST339 S S S S S S S
42 FRC1114 Cat 13 Birman F 16 Yes Chronic rhinitis C. ulcerans Negative NR ST325 I S S S S S S
43 FRC1134 Cat 6 Porcelaine F 45 No Chronic rhinitis C. ulcerans Negative NR ST339 S S S S S S S
44 FRC1146 Dog 5 Porcelaine F 38 No Sore C. ulcerans Negative NR ST339 I S S S S S S
45 FRC1153 Dog 4 Great Dane F 59 No Sore C. ulcerans Negative NR ST339 R S S S S S S
46 FRC1164 Dog 6 Great Dane M 57 No Dermatitis C. ulcerans Negative NR ST327 S S S S S S S
47 FRC1165 Cat 7 Domestic shorthair F 18 No Sore C. ulcerans Negative NR ST325 S S S S S S S
48 FRC1170 Dog 9 German shepherd M 13 No Chronic rhinitis C. ulcerans Negative NR ST339 S S S S S S S
49 FRC1194 Dog 9 German shepherd M 70 No Chronic otitis C. ulcerans Negative NR ST339 S S S S S S S
50 FRC1193 Cat 7 Rex Devon M 67 No Chronic otitis C. ulcerans Negative NR ST325 S S S I S S S
51 FRC0848 Cat 13 Domestic shorthair M 17 No Chronic otitis C. ulcerans Negative NR ST720 S S S S S S S
52 FRC1017 Horse 30 ND F 33 No Conjunctivitis C. diphtheriae Positive Positive ST669 S S S S S S S
53 FRC1117 Horse 8 ND M 40 No Dermatitis C. diphtheriae Positive Positive ST59 S S S S S S S
54 FRC0802 Dog 9 Drahthaar M 37 No Sore C. rouxii Negative NR ST694 I S S S S S S
55 FRC0810 Dog 9 ND F 84 No Chronic otitis C. rouxii Negative NR NA (rpoB truncated) I S S S S S S
56 FRC0845 Dog ND Labrador ND ND No Chronic otitis C. rouxii Negative NR ST714 S S S S S S S
57 FRC0835 Cat ND Domestic shorthair ND ND Yes (+ Malassezia) Chronic otitis C. rouxii Negative NR ST713 S S S S S S S
58 FRC0926 Cat 1 Domestic shorthair M 47 No Sore C. rouxii Negative NR ST537 I S S S S S S
59 FRC0976 Dog 12 German shepherd F 47 No Chronic otitis C. rouxii Negative NR ST762 S S S S S S S
60 FRC1088 Dog 6 American Staffordshire bull terrier M 84 No Chronic otitis C. rouxii Negative NR ST537 I S S S S S S
61 FRC1100 Dog 13 X Beagle F 17 No Chronic otitis C. rouxii Negative NR ST780 S S S S S S S
62 FRC1150 Dog 7 X Griffon F 64 No Chronic otitis C. rouxii Negative NR ST537 S S S S S S S
63 FRC1159 Dog 9 Labrador M 33 No Chronic otitis C. rouxii Negative NR ST537 S S S S S S S
64 FRC1172 Dog 3 Griffon M 65 No Chronic otitis C. rouxii Negative NR ST537 S S S S S S S
a

ID, identifier; F, female; M, male; FIV, feline immunodeficiency virus; ND, not documented; NR, not relevant; NA, not available; S, susceptible; I, intermediate; R, resistant.

b

breakpoints: gentamicin, S ≥ 18 and R < 16; amoxicillin, S ≥ 23 and R < 16; erythromycin, S ≥ 22 and R < 17; spiramycin, S ≥ 24 and R < 19; azithromycin, S ≥ 22 and R < 17; tetracycline and doxycycline, S ≥19 and R < 17; trimethoprim-sulfamethoxazole, S ≥ 16 and R < 10.

c

X, mixed breed.