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© Research
Publication : Bioorganicheskaia khimiia

[An Escherichia coli strain producing a leaderless mRNA from the chromosomal lac promoter]

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Bioorganicheskaia khimiia - 01 Sep 2005

Komarova AV, Chufistova LS, Aseev LV, Boni IV

Link to Pubmed [PMID] – 16245700

Bioorg. Khim. 2005 Sep-Oct;31(5):557-60

A special Escherichia coli strain capable of producing a leaderless lacZ mRNA from the chromosomal lac promoter was constructed to study the mechanism of leaderless mRNA translation. The translation efficiency of this noncanonical mRNA is very low in comparison with the canonical cellular templates, but it increases by one order of magnitude in the presence of chromosomal mutations in the genes encoding the ribosomal S1 and S2 proteins. The new strain possesses obvious advantages over the commonly used plasmid constructs (first of all, due to the constant dosage of lacZ gene in the cell) and opens possibilities for investigation of the specific conditions for leaderless mRNA translation in vivo using molecular genetic approaches.

http://www.ncbi.nlm.nih.gov/pubmed/16245700