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MBE Advance Access published online on January 20, 2007
Molecular Biology and Evolution, doi:10.1093/molbev/msm007
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© The Author 2007. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org

Letter

Transcription and Translation are Coupled in Archaea

Sarah L. French1, Thomas J. Santangelo2, Ann L. Beyer1 and John N. Reeve2,*

1 Department of Microbiology, University of Virginia Health System, Charlottesville, VA 22908-0734
2 Department of Microbiology, Ohio State University, Columbus, OH 43210-1292

* Corresponding author: John N. Reeve, Department of Microbiology, Ohio State University, Columbus, OH 43210-1292, USA, Tel: 1-614-292-2301, Fax: 1-614-292-8120, E-mail: reeve.2{at}osu.edu

Accepted for publication January 3, 2007.

Polysomes have been visualized by electron microscopy attached directly to dispersed strands of genomic DNA extruded from lysed cells of the hyperthermophilic archaeon Thermococcus kodakaraensis. These complexes are consistent with transcription and translation being coupled in this Archaeon, with translation of transcripts being initiated before the transcript is complete.

Key Words: Archaea • prokaryote • coupled transcription • polysome • electron microscopy


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