OryR is a LuxR - family protein involved in inter - kingdom signaling between 1 pathogenic
نویسندگان
چکیده
1 Bacteriology Group, International Centre for Genetic Engineering & Biotechnology, Trieste, Italy 9 and 2 Plant Bacteriology Group, International Centre for Genetic Engineering & Biotechnology, 10 Biosafety Outstation, Ca’Tron, Treviso, Italy 11 12 13 14 Running title: Inter-kingdom signaling in Xanthomonas oryzae 15 16 17 18 Corresponding author: Vittorio Venturi, Bacteriology Group, International Center for Genetic 19 Engineering & Biotechnology, Padriciano 99, 34012 Trieste, Italy. Telephone +390403757319; Fax 20 +39040226555; E-mail [email protected] 21 AC CE PT ED Copyright © 2008, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved. J. Bacteriol. doi:10.1128/JB.01507-08 JB Accepts, published online ahead of print on 21 November 2008
منابع مشابه
OryR is a LuxR-family protein involved in interkingdom signaling between pathogenic Xanthomonas oryzae pv. oryzae and rice.
Xanthomonas oryzae pv. oryzae, the causal agent of bacterial leaf blight in rice, contains a regulator that is encoded in the genome, designated OryR, which belongs to the N-acyl homoserine lactone (AHL)-dependent quorum-sensing LuxR subfamily of proteins. However, we previously reported that X. oryzae pv. oryzae does not make AHLs and does not possess a LuxI-family AHL synthase and that the Or...
متن کاملA LuxR homologue of Xanthomonas oryzae pv. oryzae is required for optimal rice virulence.
SUMMARY In Gram-negative bacteria a typical quorum sensing (QS) system usually involves the production and response to acylated homoserine lactones (AHLs). An AHL QS system is most commonly mediated by a LuxI family AHL synthase and a LuxR family AHL response regulator. This study reports for the first time the presence of a LuxR family-type regulator in Xanthomonas oryzae pv. oryzae (Xoo), whi...
متن کاملStructural Insights into a Novel Interkingdom Signaling Circuit by Cartography of the Ligand-Binding Sites of the Homologous Quorum Sensing LuxR-Family
Recent studies have identified a novel interkingdom signaling circuit, via plant signaling molecules, and a bacterial sub-family of LuxR proteins, bridging eukaryotes and prokaryotes. Indeed pivotal plant-bacteria interactions are regulated by the so called Plant Associated Bacteria (PAB) LuxR solo regulators that, although closely related to the quorum sensing (QS) LuxR family, do not bind or ...
متن کاملLuxR solos in Photorhabdus species
Bacteria communicate via small diffusible molecules to mediate group-coordinated behavior, a process designated as quorum sensing. The basic molecular quorum sensing system of Gram-negative bacteria consists of a LuxI-type autoinducer synthase producing acyl-homoserine lactones (AHLs) as signaling molecules, and a LuxR-type receptor detecting the AHLs to control expression of specific genes. Ho...
متن کاملA LuxR Homolog in a Cottonwood Tree Endophyte That Activates Gene Expression in Response to a Plant Signal or Specific Peptides
UNLABELLED Homologs of the LuxR acyl-homoserine lactone (AHL) quorum-sensing signal receptor are prevalent in Proteobacteria isolated from roots of the Eastern cottonwood tree, Populus deltoides Many of these isolates possess an orphan LuxR homolog, closely related to OryR from the rice pathogen Xanthomonas oryzae OryR does not respond to AHL signals but, instead, responds to an unknown plant c...
متن کامل