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Antimicrobial resistance of Listeria monocytogenes serogroups IIa and IVb from food and food-production environments in Poland


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Fig. 1.

Relationship between serogroup, source of isolate and antimicrobial resistance of Listeria monocytogenes identified among the most numerous antimicrobial resistance profiles
AXO – ceftriaxone; OXA – oxacillin; CLI – clindamycin; RTE – ready-to eat food; FPE – food production environment
Relationship between serogroup, source of isolate and antimicrobial resistance of Listeria monocytogenes identified among the most numerous antimicrobial resistance profiles AXO – ceftriaxone; OXA – oxacillin; CLI – clindamycin; RTE – ready-to eat food; FPE – food production environment

Antimicrobial resistance by sample origin of Listeria monocytogenes isolates from food and food-production environments in Poland

Antimicrobial agents Number (%) of isolates*
Serogroup IIa (n =146) Serogroup IVb (n = 137)
Raw meat (n = 31) Ready-to-eat food (n = 63) Food-production environment (n = 52) Total (%) Raw meat (n = 21) Ready-to-eat food (n = 108) Food-production environment (n = 8) Total (%)
AMP 0 0 0 0 0 0 0 0
AXO 17 38 40 95 (65.1)** 21 98 7 126 (92.0)**
CIP 0 1 2 3 (2.1) 0 1 0 1 (0.7)
CLI 8 17 8 33 (22.6) 2 25 0 27 (19.7)
ERY 0 0 1 1 (0.7) 0 0 0 0
GAT 0 0 0 0 0 0 0 0
GEN 0 0 0 0 0 0 0 0
LEVO 0 0 0 0 0 1 0 1 (0.7)
LZD 1 1 0 2 (1.4) 0 5 0 5 (3.6)
OXA 9 25 6 40 (27.4)** 11 79 3 93 (67.9)**
PEN 0 0 0 0 0 0 0 0
SYN 0 0 0 0 0 0 0 0
RIF 0 1 0 1 (0.7) 0 0 0 0
STR 0 0 0 0 0 0 0 0
TET 0 1 0 1 (0.7) 0 1 0 1 (0.7)
SXT 0 0 0 0 0 0 0 0
VAN 0 0 0 0 0 0 0 0

Antimicrobial resistance profiles of Listeria monocytogenes isolates from food and food-production environments in Poland

Antimicrobial resistance profile Number (%) of resistant isolates
Serogroup IIa (n = 119) Serogroup IVb (n = 130) Total (n = 249)
AXO 59 (49.6)* 35 (26.9)* 94 (37.8)
OXA 14 (11.8)* 3 (2.3)* 17 (6.8)
CLI 1 (0.8) 0 1 (0.4)
AXO-OXA 9 (7.6)* 63 (48.5)* 72 (28.9)
AXO-CLI 14 (11.8)* 0* 14 (5.6)
CLI-OXA 8 (6.7)** 1 (0.8)* 9 (3.6)
AXO-CIP 1 (0.8) 1 (0.8) 2 (0.8)
AXO-TET 0 1 (0.8) 1 (0.4)
CLI-LZD 1 (0.8) 0 1 (0.4)
AXO-CLI-OXA 7 (5.9)* 20 (15.4)* 27 (10.8)
AXO-CIP-TET 1 (0.8) 0 1 (0.4)
AXO-OXA-RIF 1 (0.8) 0 1 (0.4)
AXO-CIP-OXA 1 (0.8) 0 1 (0.4)
AXO-CLI-ERY 1 (0.8) 0 1 (0.4)
AXO-CLI-LZD 1 (0.8) 0 1 (0.4)
AXO-CLI-LZD-OXA 0** 5 (3.8)** 5 (2.0)
AXO-CLI-LEVO-OXA 0 1 (0.8) 1 (0.4)

PCR primers used for determination of L. monocytogenes serogroups

Target gene Primer name Primer sequence (5′ → 3′)
lmo0737 lmo0737F AGGGCTTCAAGGACTTACCC
lmo0737R ACGATTTCTGCTTGCCATTC
lmo1118 lmo1118F AGGGGTCTTAAATCCTGGAA
lmo1118R CGGCTTGTTCGGCATACTTA
ORF2819 ORF2819F AGCAAAATGCCAAAACTCGT
ORF2819R CATCACTAAAGCCTCCCATTG
ORF2110 ORF2110F AGTGGACAATTGATTGGTGAA
ORF2110R CATCCATCCCTTACTTTGGAC
Prs prsR GCTGAAGAGATTGCGAAAGAAG
prsF CAAAGAAACCTTGGATTTGCGG
eISSN:
2450-8608
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Life Sciences, Molecular Biology, Microbiology and Virology, other, Medicine, Veterinary Medicine