Presumable role of outer membrane proteins of Salmonella containing sialylated lipopolysaccharides serovar Ngozi, sv. Isaszeg and subspecies arizonae in determining susceptibility to human serum

Table 1 The origin, antigenic and phenotypic characteristic of the Salmonella O48 strains used in this study

Salmonella enterica subspecies	Serotype	Group O48 antigen H	Source	Sialic acid/Kdo ratio (%) in LPS^a	C activation pathway in human serum^a
Salamae	Ngozi	z₁₀: [1, 5]	PCM^b 2514 KOS^c 1250	239	CP/LP + AP^f
Arizonae	–	z₃₆: –	PCM 2543 CNCTC^d Ar 4/50	200	AP^g
Enterica	Isaszeg	z₁₀: e, n, x	PCM 2550 IP^e 886/71	<1	CP/LP/AP^h

CP classical pathway of complement system (C), LP lectin pathway of C, AP alternative pathway of C.
^a[16].
^bPCM—Polish Collection of Microorganisms, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland.
^cKOS National Salmonella Center, Gdansk, Poland.
^dCNCTC Czech National Collection of Type Cultures, National Institute of Public Health, Prague, Czech Republic.
^eIP Institute Pasteur, Paris, France.
^fParallel activation of the CP/LP pathways and AP in the bactericidal mechanism of C activation.
^gActivation of AP.
^hIndependent activation of the CP/LP pathways or AP in the bactericidal mechanism of C activation.

ISSN: 1757-4749