TABLE 1.

Characteristics of the 29 strains of Y. pestis used for cellular fatty acid analysis

Strain no.	Pasteur Institut no.	Geographic origina	Year of isolation	Host	Biotype	Ribotypeb
613	548	Burma	1970	UNc	Orientalis	G
579	195	Bombay	1908	Human	Orientalis	B
569	EXU 56	Brazil	1967	Rodent	Orientalis	B
1049	197	Dalat	1965	Human	Orientalis	G
685	H.10	Hamburg	1952	UN	Orientalis	B
696	H.26	Hamburg	1952	UN	Orientalis	B
544	Keny. MMI	Kenya	UNc	Human	Antiqua	F
552	Margar	Kenya	UN	Human	Antiqua	M
520	PKR VIII	Kurdistan	1947	Rodent	Medievalis	O
304	6/69+	Madagascar	1969	Human	Orientalis	B
529	112	Madagascar	1951	Human	Orientalis	B
1511	197/96	Madagascar	1996	Human	Orientalis	B
1491	167/96	Madagascar	1996	Human	Orientalis	B
643	4/83	Madagascar	1983	Human	Orientalis	Q
649	12/85	Madagascar	1985	Human	Orientalis	Q
1512	198/96	Madagascar	1996	Rodent	Orientalis	Q
666	100-92	Madagascar	1992	Human	Orientalis	R
635	11/85	Madagascar	1985	Human	Orientalis	R
668	41/93	Madagascar	1993	Human	Orientalis	R
1484	61/94	Madagascar	1994	Human	Orientalis	T
1482	57/94	Madagascar	1994	Human	Orientalis	T
28	EV76	Madagascar	1926	Human	Orientalis	UN
1537	254	Namibia	1984	Human	Orientalis	V
940	65-30	Nha Trang	1965	UN	Orientalis	G
513	64-65	Nha Trang	1964	UN	Orientalis	G
507	55.720	Saigon	1955	UN	Orientalis	E
532	55.801	Saigon	1955	UN	Orientalis	E
524	Fay. Sy	Senegal	1944	Human	Orientalis	D
572	A1122	United States	<1942	Human	Orientalis	B

^aThe names of the countries or towns are those used at the time of the strain isolation and have been kept for strain designation. 

^bRibotypes according to Guiyoule and collaborators (18). 

^cUN, unknown.