The Lipid A substructure of the Sinorhizobium meliloti lipopolysaccharides is sufficient to suppress the oxidative burst in host plants

Scheidle H, Gross A, Niehaus K (2005)
New Phytologist 165(2): 559-566.

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Abstract
Medicago sativa (alfalfa), Medicago truncatula and Nicotiana tabacum cell suspension cultures, responding to elicitation with the production of reactive oxygen species (ROS), were used to analyse the suppressor (and elicitor) activity of lipopolysaccharides (LPS) of the symbiotic soil bacterium Sinorhizobium meliloti. In order to identify the epitopes of the LPS molecule recognized by the plant, S. meliloti mutants defective in LPS biosynthesis and hydrolytically obtained Lipid A were analysed for biological activity. Lipopolysaccharides isolated from Sinorhizobium meliloti mutants 6963 (altered core region) and L994 (no long-chain fatty acid) showed the same ability to suppress the oxidative burst in host plant cell cultures as the wild-type LPS. Lipid A also displayed the same suppressor activity. By contrast, rhizobial LPS, but not Lipid A, was active as an inducer of the oxidative burst reaction in cell cultures of the nonhost Nicotiana tabacum. In host plants of Sinorhizobium meliloti the Lipid A part is sufficient to suppress the oxidative burst, but in non-host plants at least some sugars of the LPS core region are required to induce defence reactions.
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Scheidle H, Gross A, Niehaus K. The Lipid A substructure of the Sinorhizobium meliloti lipopolysaccharides is sufficient to suppress the oxidative burst in host plants. New Phytologist. 2005;165(2):559-566.
Scheidle, H., Gross, A., & Niehaus, K. (2005). The Lipid A substructure of the Sinorhizobium meliloti lipopolysaccharides is sufficient to suppress the oxidative burst in host plants. New Phytologist, 165(2), 559-566. doi:10.1111/j.1469-8137.2004.01214.x
Scheidle, H., Gross, A., and Niehaus, K. (2005). The Lipid A substructure of the Sinorhizobium meliloti lipopolysaccharides is sufficient to suppress the oxidative burst in host plants. New Phytologist 165, 559-566.
Scheidle, H., Gross, A., & Niehaus, K., 2005. The Lipid A substructure of the Sinorhizobium meliloti lipopolysaccharides is sufficient to suppress the oxidative burst in host plants. New Phytologist, 165(2), p 559-566.
H. Scheidle, A. Gross, and K. Niehaus, “The Lipid A substructure of the Sinorhizobium meliloti lipopolysaccharides is sufficient to suppress the oxidative burst in host plants”, New Phytologist, vol. 165, 2005, pp. 559-566.
Scheidle, H., Gross, A., Niehaus, K.: The Lipid A substructure of the Sinorhizobium meliloti lipopolysaccharides is sufficient to suppress the oxidative burst in host plants. New Phytologist. 165, 559-566 (2005).
Scheidle, H., Gross, A., and Niehaus, Karsten. “The Lipid A substructure of the Sinorhizobium meliloti lipopolysaccharides is sufficient to suppress the oxidative burst in host plants”. New Phytologist 165.2 (2005): 559-566.
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29 Citations in Europe PMC

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