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Volume 16, Number 2—February 2010
Dispatch

Bordetella pertussis Clones Identified by Multilocus Variable-Number Tandem-Repeat Analysis

Jacob Kurniawan, Ram P. Maharjan, Wai-Fong Chan, Peter R. Reeves, Vitali Sintchenko, Gwendolyn L. Gilbert, Frits R. Mooi, and Ruiting LanComments to Author 
Author affiliations: University of New South Wales, Sydney, New South Wales, Australia (J. Kurniawan, R.P. Maharjan, W.-F. Chan, R. Lan); University of Sydney, Sydney (P.R. Reeves, V. Sintchenko, G.L. Gilbert); Westmead Hospital, Westmead, New South Wales, Australia (V. Sintchenko, G.L. Gilbert); National Institute for Public Health and the Environment, Bilthoven, the Netherlands (F.R. Mooi).

Main Article

Figure 2

Minimum spanning tree (MST) of multilocus variable-number tandem-repeat analysis (MLVA types for global Bordetella pertussis isolates. The MST produced in Bionumerics (Applied Maths, Kortrijk, Belgium) used categorical coefficient and the eBURST priority rule of the highest number of single-locus changes for the clustering. Each circle represents an MLVA type with the type number in the circle. Thick lines, types differing by a single MLVA locus; thin lines, double-locus variants; dotted lines,

Figure 2. Minimum spanning tree (MST) of multilocus variable-number tandem-repeat analysis (MLVA types for global Bordetella pertussis isolates. The MST produced in Bionumerics (Applied Maths, Kortrijk, Belgium) used categorical coefficient and the eBURST priority rule of the highest number of single-locus changes for the clustering. Each circle represents an MLVA type with the type number in the circle. Thick lines, types differing by a single MLVA locus; thin lines, double-locus variants; dotted lines, 2 types differing by >2 MLVA loci. The size of the circle reflects the number of isolates with a given MLVA type. The color codes for country of origin are shown, and pie charts within a circle are used to indicate the
proportion of isolates.

Main Article

Page created: December 10, 2010
Page updated: December 10, 2010
Page reviewed: December 10, 2010
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