Table 4.
Antimicrobial resistance genes detected among Staphylococcus spp. isolates recovered from bovine mastitis, Brazil (data published between 2009 and 2019).
| Reference | Bacterial Species a | Year of Samples Isolation | Region b | Antimicrobial Resistance Gene | ||||
|---|---|---|---|---|---|---|---|---|
| Beta-lactam | Tetracycline | MLSBc | Aminoglycoside | Others | ||||
| Laport et al., 2012 [107] | S. chromogenes, S. sciuri, S. xylosus | – | SE | mecA | – | – | – | – |
| Silva et al., 2013 [117] | S. aureus | – | SE | – | tet(K) | – | – | fexA |
| Silva et al., 2014b [132] | CNS, oCNP | – | – | blaZ, mecA (S. epidermidis, S. chromogenes, S. warneri, S. hyicus, S. simulans) | tet(K) (S. epidermidis, S. chromogenes, S. warneri) | ermC (S. epidermidis); lnuB, lsaE (S. chromogenes) |
ant(4’)-Ia (S. epidermidis, S. chromogenes, S. warneri); aac(6’)-aph(2”) (S. epidermidis, S. warneri); aadE (S. chromogenes); str (S. hyicus, S. warneri, S. epidermidis) |
gyrA, grlA (mutation) |
| da Costa Krewer et al., 2015 [100] | S. aureus | 2004–2008 | NE | blaZ, mecA | – | – | – | – |
| Fernandes dos Santos et al., 2016 [109] | S. epidermidis | 2008–2010 | SE, S, NE | mecA | – | – | – | - |
| Martini et al., 2017 [108] | S. aureus | – | SE | blaZ | tet(K), tet(L), tet(M), tet(O) | – | – | – |
| Guimarães et al., 2017 [119] | S. aureus | – | SE | mecA | – | – | – | – |
| Haubert et al., 2017 [112] | S. aureus | – | S | blaZ |
tet(B), tet(K), (tet)L, (tet)M |
ermB, ermC, ereB | strA, strB | dfrA, dfrG |
| Marques et al., 2017 [110] | S. aureus | – | SE | blaZ, mecA | – | – | – | – |
| Mello et al., 2017 [118] | S. aureus, S. chromogenes, S. S. epidermidis, S. haemolyticus, S. saprophyticus, S. simulans, S. xylosus, S. warneri | – | 6 states | mecA | – | – | – | – |
a CNS: coagulase-negative Staphylococcus; oCPS: other coagulase-positive Staphylococcus; b Geographic region: S (South), SE (Southeast) and NE (Northeast); c MLSB: macrolides, lincosamides and streptogramin B.