Rabbit Reticulocyte Lysate Translation Systems are used in the identification of mRNA species, the characterization of their protein products and the investigation of transcriptional and translational control. Rabbit Reticulocyte Lysate is prepared from New Zealand white rabbits. After the reticulocytes are lysed, the extract is treated with micrococcal nuclease to destroy endogenous mRNA and thus reduce background translation to a minimum.

Untreated Lysate is prepared from New Zealand white rabbits in the same manner as treated lysates with the exception that it is not treated with micrococcal nuclease. Unlike a coupled system that initiates transcription/translation from DNA, the RNA-based rabbit reticulocyte can be used for the direct investigation of transcriptional/translational control and the replication of RNA-based viruses.

References
Characterization of translation regulation (i.e., UTRs, Capping, IRES)

1. Nguyen, H-L .et al. (2013) Expression of a novel mRNA transcript for human microsomal epoxide hydrolase is regulated by short reading frames within it 5’ –untranslated region. RNA. 19, 752–66.
2. Wei, J. et al. (2013) The stringency of start codon selection in the filamentous fungus Neurospora crass. J. Biol. Chem. 288, 9549–62.
3. Paek Ki-Y. et al. (2012) Cap-Dependent translation without base-by-base scanning of an messenger ribonucleic acid. Nucl. Acid. Res. 40, 7541–51.
4. Se, and NH. Su.W. et al. (2011) Translation, stability, and resistance to decapping of mRNA containing caps substituted in the triphosphate with BH3. RNA 17, 978–88.
5. Anderson, D. et al. (2011) Nucleoside modifications in RNA limit activation of 2’-5’ oligoadenylate synthetase and increase resistance to cleavage by RNase L. Nucl. Acid. Res. 39, 9329-38.

RNA virus Characterization

1. Vashist, S. et al. (2012) Identification of RNA-protein interaction networks involved in the Norovirus life cycle. J. Vir. 86, 11977–90.
2. Soto-Rifo, R. et al. (2012) Different effects of the TAR structure on HIV-1 and HIV-2 genomics RNA translation. Nucl. Acids. Res. 40, 2653–67.
3. Poyry, T. et al. (2011) Mechanisms governing the selection of translation initiation sites on Foot-and-Mouth Disease Virus RNA. J.Vir. 85, 10178–88.
4. Cheng, E. et al. (2011) Characterization of the interaction between Hantavirus nucleopcapsid protein and ribosomal protein S19. J. Biol. Chem. 286, 11814–24.
5. Vera-Otarola, J. et al. (2011) The Andes Hantavirus NSs Protein is expressed from the Viral mRMA by a leaky scanning mechanism. J. Vir. 86, 2176–87.

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Promega products are used by life scientists who are asking fundamental questions about biological processes and by scientists who are applying scientific knowledge to diagnose and treat diseases, discover new therapeutics, and use genetics and DNA testing for human identification. Originally, founded in 1978 in Madison, Wisconsin, USA, Promega has branches in 16 countries and more than 50 global distributors serving 100 countries.

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