Emerging Infectious Disease ISSN: 1080-6059

Methicillin-Resistant Staphylococcus aureus Sequence Type 239-III, Ohio, USA, 2007–2009¹

Shu-Hua Wang

, Yosef Khan, Lisa Hines, José R. Mediavilla, Liangfen Zhang, Liang Chen, Armando Hoet, Tammy Bannerman, Preeti Pancholi, D. Ashley Robinson, Barry N. Kreiswirth, Kurt B. Stevenson, and for the Prevention Epicenter Program of the Centers for Disease Control and Prevention

Author affiliations: The Ohio State University Wexner Medical Center, Columbus, Ohio, USA (S.H. Wang, Y. Khan, L. Hines, A. Hoet, P. Pancholi, K.B. Stevenson); University of Medicine and Dentistry of New Jersey, Newark, New Jersey, USA (J.R. Mediavilla, L. Chen, B.N. Kreiswirth); University of Mississippi Medical Center, Jackson, Mississippi, USA (L. Zhang, D.A. Robinson); and The Ohio Department of Health Laboratories, Reynoldsburg, Ohio, USA (T. Bannerman)

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Figure 3

Single-nucleotide polymorphism (SNP) haplotype map showing position of methicillin-resistant Staphylococcus aureus sequence type 239-III (MRSA ST239-III) isolates, Ohio, USA, 2007–2009, within the global population structure of the MRSA ST239-III clonal group. Circles indicate distinct haplotypes, as defined by using a panel of 43 SNPs (9). Sizes of circles indicate relative frequency of different haplotypes. Arrows indicate haplotype 5 (H5), which includes the Brazilian clone, and haplotype 9 (

Figure 3. . . Single-nucleotide polymorphism (SNP) haplotype map showing position of methicillin-resistant Staphylococcus aureus sequence type 239-III (MRSA ST239-III) isolates, Ohio, USA, 2007–2009, within the global population structure of the MRSA ST239-III clonal group. Circles indicate distinct haplotypes, as defined by using a panel of 43 SNPs (9). Sizes of circles indicate relative frequency of different haplotypes. Arrows indicate haplotype 5 (H5), which includes the Brazilian clone, and haplotype 9 (H9), which includes the 22 MRSA ST239-III isolates from Ohio. Relationships between haplotypes were determined by using maximum-parsimony analysis (9).

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¹Presented in part at the 48th Annual Meeting of the Infectious Diseases Society of America, Vancouver, British Columbia, Canada, October 21–24, 2010.

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