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Vindal, V. and Ashwantha Kumar, E. and Ranjan, Akash (2008) Identification of operator sites within the upstream region of the putative mce2R gene from mycobacteria. FEBS Letters, 582 (7). pp. 1117-1122. ISSN 0014-5793

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Abstract

Mycobacterium tuberculosis harbors four mce operons. Among them, mce2 operon is preceded by a FadR-like regulator mce2R (Rv0586). Here, we report the operator sites of the mce2R and its orthologs in other sequenced mycobacteria and non-mycobacterial species Nocardia farciana. All the identified DNA motifs illustrate the FadR subfamily specific nucleotide preference. Moreover, these motifs from the upstream region share sequence conservation, which is in agreement with the similarity of their DNA binding domain. Using electrophoretic mobility shift assay, we demonstrate that the predicted DNA motifs specifically interact with the recombinant Mce2R-Rv0586. Our present study has implications in the understanding of cis-regulatory elements and the auto-regulatory nature of the FadR subfamily of regulators.

Item Type: Article
Additional Information: [Open Access from Publisher]
Depositing User: Dr P Divakar
Date Deposited: 24 Aug 2015 06:55
Last Modified: 24 Aug 2015 06:55
URI: http://cdfd.sciencecentral.in/id/eprint/363

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