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The secondary metabolism glycosyltransferases UGT73B3 and UGT73B5 are components of redox status in resistance of Arabidopsis to Pseudomonas syringae pv. tomato.
Plant Cell Environ. 2014 May; 37(5):1114-29.PC

Abstract

Secondary metabolism plant glycosyltransferases (UGTs) ensure conjugation of sugar moieties to secondary metabolites (SMs) and glycosylation contributes to the great diversity, reactivity and regulation of SMs. UGT73B3 and UGT73B5, two UGTs of Arabidopsis thaliana (Arabidopsis), are involved in the hypersensitive response (HR) to the avirulent bacteria Pseudomonas syringae pv. tomato (Pst-AvrRpm1), but their function in planta is unknown. Here, we report that ugt73b3, ugt73b5 and ugt73b3 ugt73b5 T-DNA insertion mutants exhibited an accumulation of reactive oxygen species (ROS), an enhanced cell death during the HR to Pst-AvrRpm1, whereas glutathione levels increased in the single mutants. In silico analyses indicate that UGT73B3 and UGT73B5 belong to the early salicylic acid (SA)-induced genes whose pathogen-induced expression is co-regulated with genes related to cellular redox homeostasis and general detoxification. Analyses of metabolic alterations in ugt mutants reveal modification of SA and scopoletin contents which correlate with redox perturbation, and indicate quantitative modifications in the pattern of tryptophan-derived SM accumulation after Pst-AvrRpm1 inoculation. Our data suggest that UGT73B3 and UGT73B5 participate in regulation of redox status and general detoxification of ROS-reactive SMs during the HR to Pst-AvrRpm1, and that decreased resistance to Pst-AvrRpm1 in ugt mutants is tightly linked to redox perturbation.

Authors+Show Affiliations

Institut de Biologie des Plantes, CNRS-Université Paris-Sud 11, UMR 8618, Bâtiment 630, 91405, Orsay Cedex, France.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

24131360

Citation

Simon, Clara, et al. "The Secondary Metabolism Glycosyltransferases UGT73B3 and UGT73B5 Are Components of Redox Status in Resistance of Arabidopsis to Pseudomonas Syringae Pv. Tomato." Plant, Cell & Environment, vol. 37, no. 5, 2014, pp. 1114-29.
Simon C, Langlois-Meurinne M, Didierlaurent L, et al. The secondary metabolism glycosyltransferases UGT73B3 and UGT73B5 are components of redox status in resistance of Arabidopsis to Pseudomonas syringae pv. tomato. Plant Cell Environ. 2014;37(5):1114-29.
Simon, C., Langlois-Meurinne, M., Didierlaurent, L., Chaouch, S., Bellvert, F., Massoud, K., Garmier, M., Thareau, V., Comte, G., Noctor, G., & Saindrenan, P. (2014). The secondary metabolism glycosyltransferases UGT73B3 and UGT73B5 are components of redox status in resistance of Arabidopsis to Pseudomonas syringae pv. tomato. Plant, Cell & Environment, 37(5), 1114-29. https://doi.org/10.1111/pce.12221
Simon C, et al. The Secondary Metabolism Glycosyltransferases UGT73B3 and UGT73B5 Are Components of Redox Status in Resistance of Arabidopsis to Pseudomonas Syringae Pv. Tomato. Plant Cell Environ. 2014;37(5):1114-29. PubMed PMID: 24131360.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The secondary metabolism glycosyltransferases UGT73B3 and UGT73B5 are components of redox status in resistance of Arabidopsis to Pseudomonas syringae pv. tomato. AU - Simon,Clara, AU - Langlois-Meurinne,Mathilde, AU - Didierlaurent,Laure, AU - Chaouch,Sejir, AU - Bellvert,Floriant, AU - Massoud,Kamal, AU - Garmier,Marie, AU - Thareau,Vincent, AU - Comte,Gilles, AU - Noctor,Graham, AU - Saindrenan,Patrick, Y1 - 2013/11/24/ PY - 2013/10/18/entrez PY - 2013/10/18/pubmed PY - 2014/12/15/medline KW - detoxification KW - oxidative stress KW - secondary metabolites SP - 1114 EP - 29 JF - Plant, cell & environment JO - Plant Cell Environ. VL - 37 IS - 5 N2 - Secondary metabolism plant glycosyltransferases (UGTs) ensure conjugation of sugar moieties to secondary metabolites (SMs) and glycosylation contributes to the great diversity, reactivity and regulation of SMs. UGT73B3 and UGT73B5, two UGTs of Arabidopsis thaliana (Arabidopsis), are involved in the hypersensitive response (HR) to the avirulent bacteria Pseudomonas syringae pv. tomato (Pst-AvrRpm1), but their function in planta is unknown. Here, we report that ugt73b3, ugt73b5 and ugt73b3 ugt73b5 T-DNA insertion mutants exhibited an accumulation of reactive oxygen species (ROS), an enhanced cell death during the HR to Pst-AvrRpm1, whereas glutathione levels increased in the single mutants. In silico analyses indicate that UGT73B3 and UGT73B5 belong to the early salicylic acid (SA)-induced genes whose pathogen-induced expression is co-regulated with genes related to cellular redox homeostasis and general detoxification. Analyses of metabolic alterations in ugt mutants reveal modification of SA and scopoletin contents which correlate with redox perturbation, and indicate quantitative modifications in the pattern of tryptophan-derived SM accumulation after Pst-AvrRpm1 inoculation. Our data suggest that UGT73B3 and UGT73B5 participate in regulation of redox status and general detoxification of ROS-reactive SMs during the HR to Pst-AvrRpm1, and that decreased resistance to Pst-AvrRpm1 in ugt mutants is tightly linked to redox perturbation. SN - 1365-3040 UR - https://www.unboundmedicine.com/medline/citation/24131360/The_secondary_metabolism_glycosyltransferases_UGT73B3_and_UGT73B5_are_components_of_redox_status_in_resistance_of_Arabidopsis_to_Pseudomonas_syringae_pv__tomato_ L2 - https://doi.org/10.1111/pce.12221 DB - PRIME DP - Unbound Medicine ER -