Making the jump: new insights into the mechanism of trans-translation

doi:10.1186/jbiol78

Journal of Biology
Volume 7
Issue 5

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Making the jump: new insights into the mechanism of trans-translation

Jacek Wower¹, Iwona K Wower¹ and Christian Zwieb²

¹Department of Animal Sciences, Auburn University, Auburn, AL 36849, USA.

²Department of Molecular Biology, University of Texas Health Science Center at Tyler, 11937 US Highway 271, Tyler, TX 75708, USA.

author email corresponding author email

Journal of Biology 2008, 7:17doi:10.1186/jbiol78


Published:	30 June 2008

Abstract

The transfer-messenger ribonucleoprotein (tmRNP), which is composed of RNA and a small protein, small protein B (SmpB), recycles ribosomes that are stalled on broken mRNAs lacking stop codons and tags the partially translated proteins for degradation. Although it is not yet understood how the ribosome gets from the 3' end of the truncated message onto the messenger portion of the tmRNA to add the tag, a recent study in BMC Biology has shed some light on this astonishing feat.