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In the present study we analyzed the response of S. aureus to mupirocin, the drug of choice for nasal decolonization of S. aureus. Mupirocin selectively inhibits the bacterial isoleucyl-tRNA synthetase (IleRSs) leading to the accumulation of uncharged isoleucyl-tRNA and hence (p)ppGpp. The latter is...
ORGANISM(S): Staphylococcus aureus 
Teg58, a Small Regulatory RNA Repressed by SarA, is In-volved in Regulation of Arginine Biosynthesis and Biofilm Formation in Staphylococcus aureus
We report the cloning and sequencing of both endogenous small RNAs and virus-derived siRNAs produced by the antiviral RNAi pathway in Drosophila. We find that a diverse panel of viruses are targeted by the RNAi pathway in Drosophila to produce abundant virus-derived siRNAs, and these siRNAs map to v...
ORGANISM(S): Drosophila melanogaster 
Background: Heliconius butterflies are an excellent model system for studies of adaptive convergent and divergent phenotypic traits. Wing colour patterns are used as signals to both predators and potential mates and are inherited in a Mendelian manner. The underlying genetic mechanisms of pattern fo...
ORGANISM(S): Heliconius melpomene melpomene 
Small RNAs (~20 to 24 nucleotides) function as naturally occurring molecules critical in developmental pathways in plants and animals. Here we analyze small RNA populations from mature rice grain and seedlings by pyrosequencing. Using a clustering algorithm to locate regions producing small RNAs, w...
ORGANISM(S): Oryza sativa 
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