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- W2417824497 abstract "Research Article1 May 1994free access The Rhizobium meliloti regulatory nodD3 and syrM genes control the synthesis of a particular class of nodulation factors N-acylated by (omega-1)-hydroxylated fatty acids. N. Demont N. Demont Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author M. Ardourel M. Ardourel Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author F. Maillet F. Maillet Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author D. Promé D. Promé Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author M. Ferro M. Ferro Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author J.C. Promé J.C. Promé Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author J. Dénarié J. Dénarié Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author N. Demont N. Demont Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author M. Ardourel M. Ardourel Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author F. Maillet F. Maillet Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author D. Promé D. Promé Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author M. Ferro M. Ferro Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author J.C. Promé J.C. Promé Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author J. Dénarié J. Dénarié Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. Search for more papers by this author Author Information N. Demont1, M. Ardourel1, F. Maillet1, D. Promé1, M. Ferro1, J.C. Promé1 and J. Dénarié1 1Laboratoire de Pharmacologie et de Toxicologie Fondamentales, CNRS, Toulouse, France. The EMBO Journal (1994)13:2139-2149https://doi.org/10.1002/j.1460-2075.1994.tb06490.x PDFDownload PDF of article text and main figures. ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InMendeleyWechatReddit Figures & Info Rhizobia elicit the formation of nitrogen-fixing nodules on specific legume hosts. Rhizobium meliloti nodulation (nod) genes control a signal exchange between the two symbiotic partners during infection and the early steps of nodulation. The regulatory nodD1, nodD2 and nodD3 genes are involved in the specific perception of different plant and environmental signals and activate the transcription of the nod operons. Once activated, the structural nod genes specify the synthesis of diffusible lipo-oligosaccharides, the Nod factors, which signal back to the plant. R. meliloti Nod factors are sulfated chito-oligosaccharides which are mono-N-acylated by unsaturated C16 fatty acids or by a series of C18 to C26 (omega-1)-hydroxylated fatty acids. In this paper we show that the regulatory nodD3 gene and another symbiotic regulatory gene, syrM, which mediate bacterial responses to plant signals that differ from those involving nodD1 and nodD2, determine the synthesis of Nod factors with different acyl moieties. nodD3 and syrM are required for the synthesis of Nod factors N-acylated by the (omega-1)-hydroxylated fatty acids. This regulatory mechanism makes possible the qualitative adaptation of bacterial Nod signal production to plant signals in the course of the symbiotic process. Previous ArticleNext Article Volume 13Issue 91 May 1994In this issue RelatedDetailsLoading ..." @default.
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- W2417824497 title "The Rhizobium meliloti regulatory nodD3 and syrM genes control the synthesis of a particular class of nodulation factors N-acylated by (omega-1)-hydroxylated fatty acids." @default.
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