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Title: HpdR is a transcriptional activator of Sinorhizobium meliloti hpdA, which encodes a herbicide-targeted 4-hydroxyphenylpyruvate dioxygenase
Authors: Suvit Loprasert
Wirongrong Whangsuk
James M. Dubbs
Ratiboot Sallabhan
Kumpanart Somsongkul
Skorn Mongkolsuk
Chulabhorn Research Institute
Mahidol University
Keywords: Immunology and Microbiology
Issue Date: 1-May-2007
Citation: Journal of Bacteriology. Vol.189, No.9 (2007), 3660-3664
Abstract: Sinorhizobium meliloti hpdA, which encodes the herbicide target 4-hydroxyphenylpyruvate dioxygenase, is positively regulated by HpdR. Gel mobility shift and DNase I footprinting analyses revealed that HpdR binds to a region that spans two conserved direct-repeat sequences within the hpdR-hpdA intergenic space. HpdR-dependent hpdA transcription occurs in the presence of 4-hydroxyphenylpyruvate, tyrosine, and phenylalanine, as well as during starvation. Copyright © 2007, American Society for Microbiology. All Rights Reserved.
ISSN: 00219193
Appears in Collections:Scopus 2006-2010

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