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Alcian blue staining of heat extracts of different C. jejuni strains and their mutants after electrophoresis in an acrylamide gel as described (9). Lanes: 1, G1; 2, NCTC 11168; 3, 11168H (hypermotile clonal isolate of NCTC 11168); 4, G1 pldA::kan; 5, G1 kpsM::kan; 6, X kpsM::kan; 7, NCTC 11168 kpsM::kan; 8, prestained protein markers (New England BioLabs). The arrows indicate locations of CPSs of G1 and NCTC 11168 strains.
