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. 2021 Jun 17;19(6):e06651. doi: 10.2903/j.efsa.2021.6651

Table F.2.

Examples of resistance genes in bacteria detected in fish and shellfish

Resistant bacteria (ARBs)a Species Resistance genes (ARGs) Reference
Salmonella spp. S. enterica European eel Mussel mcr‐1, sul1, sul2, sul3, fosA, fosA7, aadA1, aadA2, blaTEM‐1B, mph(A), tet(A), tet(B), dfrA1, dfrA12, cmlA1, aph(6)‐Id, aph(3’’)‐Ib, aac(6’)‐Iaa Alcaide et al. (2005), Lozano‐León et al. (2019)
Enterococcus spp. (E. faecium, E. faecalis, E. hirae, E. casseliflavus, E. gallinarum) Rainbow trout, sea bass, sea bream tet(M), tet(L), tet(S), erm(B), cat(pC223), cat(pC221), cat(pC194), fexB, aadE, aac(6’)‐le-aph(2’’)‐Ia (from water, sediment, trout and feed) Di Cesare et al. (2013)
E. coli Mussel bla TEM‐1B, bla CYX‐M-15, bla CTX‐M-14, strA‐strB, dfrA5, dfrA14, dfrA17, sul1, sul2, qnrS1, tet(A), tet(B), tet(D), catA1, aac(3)‐lld, aph (3’)‐la, mph(A), aadA5. Grevskott et al. (2017)
Pseudomonas spp Carp tet(A), tet(B), tet(C), tet(D), tet(M), tet(S), tet(T), tet(30), tet(32), tet(34), str(A), str(B), aac(6’)‐I, erm(C), erm(E), erm(F), erm(V), erm(X) (from water) Piotrowska et al. (2017), Preena et al. (2020)
Aeromonas spp. (A. Salmonicida, A. sobria, A. hydophila, A.veronii) Atlantic salmon, rainbow trout, European whitefish, carp, sea bass, European eel tet(E), tet(A), tet(D) (from gill and skin) Schmidt et al. (2000), Alcaide et al. (2005), Čížek et al. (2010), Naviner et al. (2011), Smyrli et al. (2017), Miller and Harbottle (2018), Preena et al. (2020)
Vibrio spp. (V. vulnificus, V. alginolyticus, V. harveyi, V. anguillarum, V. splendidus, V. scophthalmi, V. mimicus, V. furnissii) Mediterranean mussel, Gilthead sea bream, European eel, European sea bass, Turbot, Sole tetA Ripabelli et al. (2003), Alcaide et al. (2005), Rodríguez‐Blanco et al. (2012), Scarano et al. (2014), Brisabois et al. (2019), Miller and Harbottle (2018)
Flavobacterium spp. (Flavobacterium psychrophilum) Atlantic salmon, rainbow trout, carp (resistance to quinolones but no qnr genes/no plasmid‐mediated quinolone resistance). tet(B), tet(O), tet(T), tet(I), tet(32), str(A), aac(6’)‐I, erm(F), msr(A) Schmidt et al. (2000), Shah et al. (2012a,b), Piotrowska et al. (2017)
Yersinia ruckeri Atlantic salmon, rainbow trout (resistance to quinolones but no qnr genes/no plasmid‐mediated quinolone resistance) Schmidt et al. (2000), Shah et al. (2012a,b), Miller and Harbottle (2018)
Edwardsiella spp. European eel, European sea bass, turbot, sole, European whitefish, Sharpsnout sea bream Phenotypic resistance to ampicillin and sulfamethoxazole/trimethopirm Katharios et al. (2015), Miller and Harbottle (2018), Buján et al. (2018)
Stenotrophomonas Carp tet(B), tet(C), tet(D), tet(M), tet(X), tet(32), tet(34), strA, strB, aac(6’)‐I, msr(A), erm(C), erm(X) (from water) Piotrowska et al. (2017)
a

In bold, antimicrobial‐resistant bacteria of highest priority for public health as described in 3.2.2.

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