. 2020 Jul 30;15(7):e0236889. doi: 10.1371/journal.pone.0236889

Table 4. Summary of genetic determinants of antimicrobial resistance (AMR) in C. jejuni recovered from beef, chicken, lamb and pork collected at retail outlets in the Australian Capital Territory, New South Wales, Queensland and Victoria, 2017–2019.

	No. of AMR genes and mutations (%^a)
	β-lactam										Tetracycline	Quinolone	Macrolide
Source	bla_OXA-184	bla_OXA-185	bla_OXA-449	bla_OXA-460	bla_OXA-466	bla_OXA-61	bla_OXA-61 G57T	bla_OXA-624	bla_OXA-625	bla_OXA-631	tet(O)	gyrA T86I	23 rRNA A2075G
Beef (n = 25)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	24 (96.0)	1 (4.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	2 (8.0)	0 (0.0)
Chicken meat (n = 156)	3 (1.9)	1 (0.6)	1 (0.6)	1 (0.6)	6 (3.9)	110 (70.5)	15 (9.6)	1 (0.6)	1 (0.6)	1 (0.6)	29 (18.6)	18 (11.5)	0 (0.0)
Chicken offal (n = 41)	1 (2.4)	0 (0.0)	1 (2.4)	0 (0.0)	0 (0.0)	31 (75.6)	1 (2.4)	0 (0.0)	1 (2.4)	0 (0.0)	4 (9.8)	3 (7.3)	0 (0.0)
Lamb (n = 47)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	46 (97.9)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	1 (2.1)	0 (0.0)	0 (0.0)
Pork (n = 16)	1 (6.3)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	14 (87.5)	3 (18.8)	0 (0.0)	0 (0.0)	0 (0.0)	4 (25.0)	4 (25.0)	1 (6.3)
Total (n = 285)	5 (1.8)	1 (0.4)	2 (0.7)	1 (0.4)	6 (2.1)	225 (79.0)^b	20 (7.0)	1 (0.4)	2 (0.7)	1 (0.4)	38 (13.3)	27 (9.5)	1 (0.4)

^aValues represent the percentage of C. jejuni isolates with the respective AMR gene or point mutation from each source.

^b20/225 have an active promotor, inferring these isolates are phenotypically sensitive to ampicillin.