JB Accepts, published online ahead of print on 30 October 2009
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J. Bacteriol. doi:10.1128/JB.01096-09
Copyright (c) 2009, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Maturation of 23S rRNA in B. subtilis in the absence of Mini-III.

Yulia Redko and Ciarán Condon*

CNRS UPR 9073 (affiliated with Université de Paris 7 - Denis Diderot), Institut de Biologie Physico-Chimique, 13 rue Pierre et Marie Curie, 75005 Paris, France


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Abstract

23S rRNA maturation in B. subtilis is catalyzed by the recently characterized enzyme Mini-RNase-III. Mini-III is dispensable, however, and 23S rRNA is matured by other ribonucleases in strains lacking this enzyme. Here we show that these RNases are the 5'-3'-exoribonuclease RNase J1 and 3'-5'-exoribonucleases, principally RNase PH and YhaM.






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