Identification of the Novel Lincosamide Resistance Gene lnu(E) Truncated by ISEnfa5-cfr-ISEnfa5 Insertion in Streptococcus suis: De Novo Synthesis and Confirmation of Functional Activity in Staphylococcus aureus
2013
Zhao, Q. | Wendlandt, Sarah | Li, H. | Wu, C. | Shen, J. | Schwarz, Stefan | Wang, Y.
The novel lincosamide resistance gene lnu(E), truncated by insertion of an ISEnfa5-cfr-ISEnfa5 segment, was identified in Streptococcus suis. The gene lnu(E) encodes a 173-amino-acid protein with ≤69.4% identity to other lincosamide nucleotidyltransferases. The lnu(E) gene and its promoter region were de novo synthesized, and Staphylococcus aureus RN4220 carrying a shuttle vector with the cloned lnu(E) gene showed a 16-fold increase in the lincomycin MIC. Mass spectrometry experiments demonstrated that Lnu(E) catalyzed the nucleotidylation of lincomycin.
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Publisher American Society for Microbiology (ASM) ; PubMed Central
ISSN 1098-6596 | 0066-4804This bibliographic record has been provided by Friedrich-Loeffler-Institut