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  • Title: RNase J is involved in the 5'-end maturation of 16S rRNA and 23S rRNA in Sinorhizobium meliloti.
    Author: Madhugiri R, Evguenieva-Hackenberg E.
    Journal: FEBS Lett; 2009 Jul 21; 583(14):2339-42. PubMed ID: 19540834.
    Abstract:
    Sinorhizobium meliloti harbours genes encoding orthologs of ribonuclease (RNase) E and RNase J, the principle endoribonucleases in Escherichia coli and Bacillus subtilis, respectively. To analyse the role of RNase J in S. meliloti, RNA from a mutant with miniTn5-insertion in the RNase J-encoding gene was compared to the wild-type and a difference in the length of the 5.8S-like ribosomal RNA (rRNA) was observed. Complementation of the mutant, Northern blotting and primer extension revealed that RNase J is necessary for the 5'-end maturation of 16S rRNA and of the two 23S rRNA fragments, but not of 5S rRNA.
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