Genomic analysis of qnr-harbouring IncX plasmids and their transferability within different hosts under induced stress

Table 1 Characteristics of eight IncX plasmids recovered from various sources

Plasmid	Inc	PMQR	ARG	Source	Country^a	Size (bp)	GenBank no	Frequency of transfer^b	Standard deviation
pHP2	X1	qnrS1	bla_TEM-1B	Rook	CZ	47.686	MH121702	2.32 × 10^–2	6.06 × 10^–3
pCE780h4	X1	qnrS1	bla_TEM-1B, tet(A), floR	WWTP^c	CZ	60.848	MT859330	3.79 × 10^–2	6.15 × 10^–3
pCE1551	X1	qnrS1	bla_TEM-1B, sul3, floR, aadA1	Gull	AUS	56.495	MT859328	3.62 × 10^–2	1.23 × 10^–2
pCE1594	X1-X2	qnrS1	bla_TEM-176, aph(3')-Ia	Gull	AUS	43.897	MT859327	3.48 × 10^–7	1.31 × 10^–7
pHE40	X1-X2	qnrS1	tet(M), bla_TEM-1B, aadA2	Rook	ES	45.484	MT859326	3.26 × 10^–7	1.19 × 10^–7
p194	X2	qnrS1	tet(A)	Mallard	CZ	39.584	MH121703	1.04 × 10^–4	2.39 × 10^–5
p615cip	X2	qnrB19	-	Dog	SK	31.584	MT859325	5.24 × 10^–4	4.00 × 10^–4
pHP103	X2	qnrS2	dfrA14	Rook	CZ	36.516	MT859324	3.53 × 10^–4	1.78 × 10^–4

^aCZ stands for Czech Republic, AUS stands for Australia, ES stands for Spain and SK for Slovakia
^bFrequency of transfer was calculated as the number of transconjugants per the number of donors (T/D)
^cWWTP stands for wastewater treatment plant

ISSN: 1471-2180