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. 2006 Dec 6;45(2):536–543. doi: 10.1128/JCM.01595-06

FIG. 1.

FIG. 1.

Minimum spanning tree of MLVA of sporadic Salmonella serotype Enteritidis isolates. A categorical coefficient and the priority rule using the highest number of single-locus changes were used for generation of the minimum spanning tree. Each circle in the tree represents a different MLVA type, with the MLVA type number indicated by the number in the circle. Heavy short lines connecting two MLVA types denote types differing by a single MLVA locus while thin longer lines connect double-locus variants, and dotted lines indicate the most likely connection between two types differing by more than two MLVA loci. The number of loci that differ between two MLVA types is indicated on the lines connecting the MLVA types. The colors of the circles indicate the numbers of isolates with a particular MLVA type as indicated on the figure. Clusters were defined as MLVA types having a maximum distance of changes at two loci and a minimum cluster size of two types. Cluster A is shaded in green, cluster B in blue, and cluster C in pink.