Microbiology (Reading)
September 2001
VanD-type Enterococcus faecium BM4339 is constitutively resistant to vancomycin and to low levels of teicoplanin. This strain produces peptidoglycan precursors terminating in D-lactate but, unlike VanA- and VanB-type strains, E. faecium BM4339 has a mutated ddl ligase gene and cannot synthesize D-Ala-D-Ala.
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