Hospital and Community Ampicillin-Resistant Enterococcus faecium Are Evolutionarily Closely Linked but Have Diversified through Niche Adaptation

• Marieke J. A. de Regt ,

  * E-mail: mjaderegt@gmail.com

  Affiliation Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands

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• Willem van Schaik,

  Affiliation Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands

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• Miranda van Luit-Asbroek,

  Affiliation Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands

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• Huberta A. T. Dekker,

  Affiliation Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands

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• Engeline van Duijkeren,

  Affiliation Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands

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• Catherina J. M. Koning,

  Affiliation Department of Internal Medicine, University Hospital Maastricht, Maastricht, the Netherlands

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• Marc J. M. Bonten,

  Affiliation Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands

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• Rob J. L. Willems

  Affiliation Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands

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