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Volume 14, Number 5—May 2008

Dispatch

Spread of Streptococcus suis Sequence Type 7, China

Changyun Ye*†1, Xuemei Bai†1, Ji Zhang†1, Huaiqi Jing†1, Han Zheng*1, Huamao Du†, Zhigang Cui†, Shouying Zhang†, Dong Jin*, Jianguo Xu*†Comments to Author , Yanwen Xiong*, Ailan Zhao*, Xia Luo*, Qiangzheng Sun*, Marcelo Gottschalk‡, and Yanmei Xu*Comments to Author 
Author affiliations: *State Key Laboratory for Infectious Disease Prevention and Control, Beijing, People’s Republic of China; †National Institute for Communicable Disease Control and Prevention, Changping, People’s Republic of China; ‡Université de Montréal, Montréal, Québec, Canada;

Main Article

Figure 1

Phylogenetic relationship of the tetM sequences of Streptococcus suis. An unrooted maximum-parsimony tree was based on multiple aligned partial tetM sequences of 2 S. suis (asterisk) and 53 reference sequences retrieved from GenBank. The alignment length for the analysis was 1,415 bp. If available, the designation of the tetM-carrying plasmid or transposon is indicated, followed by the GenBank accession number. Percent bootstrap support at each internal node was based on 200 replicate trees. The sequences of known pig origin are marked in red.

Figure 1. Phylogenetic relationship of the tetM sequences of Streptococcus suis. An unrooted maximum-parsimony tree was based on multiple aligned partial tetM sequences of 2 S. suis (asterisk) and 53 reference sequences retrieved from GenBank. The alignment length for the analysis was 1,415 bp. If available, the designation of the tetM-carrying plasmid or transposon is indicated, followed by the GenBank accession number. Percent bootstrap support at each internal node was based on 200 replicate trees. The sequences of known pig origin are marked in red.

Main Article

1These authors contributed equally to this article.

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