b More information about orfs listed here is available in Table 1

b More information about orfs listed here is available in Table 1. Sequencing Amplicons were sequenced by primer walking using an ABI 3730xl DNA Analyzer (Applied Biosystems, Foster City, CA) at the Beijing Genomics Institute (Beijing, China). Sequences were assembled using the SeqMan II program in the Lasergene package

(DNASTAR Inc, Madison, WI) and similarity searches were carried out using BLAST programs (http://​www.​ncbi.​nlm.​nih.​gov/​BLAST/​). The putative function of proteins was analyzed using the InterProScan tool (http://​www.​ebi.​ac.​uk/​Tools/​pfa/​iprscan/​). Nucleotide sequences accession number. The complete sequence of the genetic context of mecA in WCH1 has been deposited in GenBank as JQ764731. Acknowledgments This work was supported by a grant from selleck screening library the Project Sponsored by the Scientific Research

Foundation for the Returned Overseas Chinese Scholars, State Education Ministry. Part of this work has been presented (abstract number 1176) at the 22nd European Congress of Clinical Microbiology and Infectious Diseases, March 31 to April 3, 2012, London, UK. The CH5424802 cell line author is grateful for Yanyu Gao for performing the susceptibility test. References 1. Hartman BJ, Tomasz A: Low-affinity penicillin-binding protein associated with β-lactam selleck chemicals llc resistance in Staphylococcus aureus . J Bacteriol 1984, 158:513–516.PubMed 2. Hanssen AM, Ericson Sollid JU: SCC mec in staphylococci: genes on the move. FEMS Immunol Med Microbiol 2006, 46:8–20.PubMedCrossRef Immune system 3. International Working Group on the Classification of Staphylococcal Cassette Chromosome Elements: Classification

of staphylococcal cassette chromosome mec (SCC mec ): guidelines for reporting novel SCC mec elements. Antimicrob Agents Chemother 2009, 53:4961–4967.CrossRef 4. Hanssen AM, Sollid JU: Multiple staphylococcal cassette chromosomes and allelic variants of cassette chromosome recombinases in Staphylococcus aureus and coagulase-negative staphylococci from Norway. Antimicrob Agents Chemother 2007, 51:1671–1677.PubMedCrossRef 5. Berglund C, Soderquist B: The origin of a methicillin-resistant Staphylococcus aureus isolate at a neonatal ward in Sweden-possible horizontal transfer of a staphylococcal cassette chromosome mec between methicillin-resistant Staphylococcus haemolyticus and Staphylococcus aureus . Clin Microbiol Infect 2008, 14:1048–1056.PubMedCrossRef 6.

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