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Volume 16, Number 5—May 2010

Dispatch

Rickettsiae in Gulf Coast Ticks, Arkansas, USA

Rebecca TroutComments to Author , C. Dayton Steelman, Allen L. Szalanski, and Phillip C. Williamson
Author affiliations: University of Arkansas, Fayetteville, Arkansas, USA (R. Trout, C.D. Steelman, A.L. Szalanski); University of North Texas Health Science Center, Fort Worth, Texas, USA (P.C. Williamson)

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Figure

Phylogenetic relationship of 6 rickettsial outer membrane protein B rickettsiae groups (578 bp) identified in Amblyomma maculatum ticks collected in Arkansas and similar rickettsiae identified from GenBank. The tree was constructed by using the maximum-likelihood and maximum-parsimony analysis in BEAST 9 (http://beast.bio.ed.ac.uk/Main_Page) Numbers on lines are bootstrap support values >75 and numbers at nodes are posterior values. Scale bar indicates nucleotide substitutions per site.

Figure. Phylogenetic relationship of 6 rickettsial outer membrane protein B rickettsiae groups (578 bp) identified in Amblyomma maculatum ticks collected in Arkansas and similar rickettsiae identified from GenBank. The tree was constructed by using the maximum-likelihood and maximum-parsimony analysis in BEAST 9 (http://beast.bio.ed.ac.uk/Main_Page) Numbers on lines are bootstrap support values >75 and numbers at nodes are posterior values. Scale bar indicates nucleotide substitutions per site.

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