In eubacteria, decoding of isoleucine codon AUA requires a specialized tRNA (tRNAIle2) modified with lysidine (k2C) at the anticodon wobble position (C34), which switches decoding specificity from methionine (AUG) to isoleucine (AUA). Recently, aminovaleramide cytidine (ava2C) was discovered at the same tRNA position i...
Jing-Jing Sun, Jun-Zhou Wu, Yi-Feng Yuan et al.· Nature Chemical Biology· 0 citations
Escherichia coli uses wobble uridine (U34) modifications to tune codon decoding, but how individual tRNA writer enzymes shape gene expression remains unclear. Here, we identify MnmA, the U34 thiolation enzyme for tRNALys, tRNAGln, and tRNAGlu, as a central regulator linking codon-directed translation to regulon control...
H. Omeoga, Dylan J. Ehrbar, Chetna Mathur et al.· bioRxiv· 0 citations
ABSTRACT Enterococcus faecalis is a gram-positive commensal bacterium of the human gut microbiome and an opportunistic pathogen responsible for many hospital-acquired infections. Despite the clinical importance of E. faecalis, how gene and protein expression are coordinated with growth remains poorly defined. Here, we...
M. M. Mitchener, Caleb M. Anderson, Mark Veleba et al.· mBio· 0 citations
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