TABLE 1.

General properties and genetic characteristics of S. Weltewreden strains isolated from shrimp and tilapia.

Strain namea	Country of origin	Genome size (bp)	Number of contigs	n50	Resistance genes and mutations	Plasmid replicon
24C	China	4,969,946	140	197,156	aac(6′)-Iaa, parC p.T57S
28C	China	5,127,676	106	147,023	aac(6′)-Iaa, parC p.T57S	IncFII(S)
30C	China	4,865,581	94	175,961	aac(6′)-Iaa, parC p.T57S	–
62C	China	5,006,616	92	147,023	aac(6′)-Iaa, parC p.T57S	IncFII(S)
75C	China	4,983,794	146	111,941	aac(6′)-Iaa, strA, strB, sul2, tet(A), parC p.T57S	IncFII(S), IncQ1
85C	China	5,041,289	104	134,960	aac(6′)-Iaa, parC p.T57S	IncFII(S)
3V	Vietnam	5,075,193	132	134,960	aac(6′)-Iaa, parC p.T57S	IncFII(S)
13V	Vietnam	5,075,009	126	113,728	aac(6′)-Iaa, parC p.T57S	IncFII(S)
28V	Vietnam	4,969,248	76	143,942	aac(6′)-Iaa, parC p.T57S	IncFII(S)
30V	Vietnam	5,073,625	133	139,995	aac(6′)-Iaa, parC p.T57S	IncFII(S)
74V	Vietnam	5,087,031	120	108,166	aac(6′)-Iaa, parC p.T57S	IncFII(S)
95V	Vietnam	5,160,245	120	134,960	aac(6′)-Iaa, parC p.T57S	IncFII(S)

^aAll strains from China were isolated from tilapia and the Vietnamese strains originated from shrimp.