Pectin Methylesterase Is Induced in Arabidopsis upon Infection and Is Necessary for a Successful Colonization by Necrotrophic Pathogens

Pectin Methylesterase Is Induced in Arabidopsis upon Infection and Is Necessary for a Successful Colonization by Necrotrophic Pathogens. Raiola, A., Lionetti, V., Elmaghraby, I., Immerzeel, P., Mellerowicz, E. J., Salvi, G., Cervone, F., & Bellincampi, D. Molecular Plant-Microbe Interactions®, 24(4):432–440, April, 2011.

Paper doi abstract bibtex

The ability of bacterial or fungal necrotrophs to produce enzymes capable of degrading pectin is often related to a successful initiation of the infective process. Pectin is synthesized in a highly methylesterified form and is subsequently de-esterified in muro by pectin methylesterase. De-esterification makes pectin more susceptible to the degradation by pectic enzymes such as endopolygalacturonases (endoPG) and pectate lyases secreted by necrotrophic pathogens during the first stages of infection. We show that, upon infection, Pectobacterium carotovorum and Botrytis cinerea induce in Arabidopsis a rapid expression of AtPME3 that acts as a susceptibility factor and is required for the initial colonization of the host tissue.

@article{raiola_pectin_2011,
	title = {Pectin {Methylesterase} {Is} {Induced} in \textit{{Arabidopsis}} upon {Infection} and {Is} {Necessary} for a {Successful} {Colonization} by {Necrotrophic} {Pathogens}},
	volume = {24},
	issn = {0894-0282, 1943-7706},
	url = {https://apsjournals.apsnet.org/doi/10.1094/MPMI-07-10-0157},
	doi = {10/fwswvk},
	abstract = {The ability of bacterial or fungal necrotrophs to produce enzymes capable of degrading pectin is often related to a successful initiation of the infective process. Pectin is synthesized in a highly methylesterified form and is subsequently de-esterified in muro by pectin methylesterase. De-esterification makes pectin more susceptible to the degradation by pectic enzymes such as endopolygalacturonases (endoPG) and pectate lyases secreted by necrotrophic pathogens during the first stages of infection. We show that, upon infection, Pectobacterium carotovorum and Botrytis cinerea induce in Arabidopsis a rapid expression of AtPME3 that acts as a susceptibility factor and is required for the initial colonization of the host tissue.},
	language = {en},
	number = {4},
	urldate = {2021-06-08},
	journal = {Molecular Plant-Microbe Interactions®},
	author = {Raiola, Alessandro and Lionetti, Vincenzo and Elmaghraby, Ibrahim and Immerzeel, Peter and Mellerowicz, Ewa J. and Salvi, Giovanni and Cervone, Felice and Bellincampi, Daniela},
	month = apr,
	year = {2011},
	pages = {432--440},
}

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