New insights into pectin methylesterase structure and function

J Pelloux, C Rustérucci, EJ Mellerowicz - Trends in plant science, 2007 - cell.com
In bacteria, fungi and plants, pectin methylesterases are ubiquitous enzymes that modify the
degree of methylesterification of pectins, which are major components of plant cell walls …

The plant invertase/pectin methylesterase inhibitor superfamily

D Coculo, V Lionetti - Frontiers in plant science, 2022 - frontiersin.org
Invertases (INVs) and pectin methylesterases (PMEs) are essential enzymes coordinating
carbohydrate metabolism, stress responses, and sugar signaling. INVs catalyzes the …

The multifaceted role of pectin methylesterase inhibitors (PMEIs)

A Wormit, B Usadel - International journal of molecular sciences, 2018 - mdpi.com
Plant cell walls are complex and dynamic structures that play important roles in growth and
development, as well as in response to stresses. Pectin is a major polysaccharide of cell …

AlphaFold-guided redesign of a plant pectin methylesterase inhibitor for broad-spectrum disease resistance

Y **a, G Sun, J **ao, X He, H Jiang, Z Zhang, Q Zhang… - Molecular Plant, 2024 - cell.com
Plant cell walls are a critical site where plants and pathogens continuously struggle for
physiological dominance. Here we show that dynamic remodeling of pectin …

Sucrose and invertases, a part of the plant defense response to the biotic stresses

AS Tauzin, T Giardina - Frontiers in plant science, 2014 - frontiersin.org
Sucrose is the main form of assimilated carbon which is produced during photosynthesis
and then transported from source to sink tissues via the phloem. This disaccharide is known …

Tuning of pectin methylesterification: consequences for cell wall biomechanics and development

G Levesque-Tremblay, J Pelloux, SA Braybrook… - Planta, 2015 - Springer
Main conclusion Recent publications have increased our knowledge of how pectin
composition and the degree of homogalacturonan methylesterification impact the …

Three Pectin Methylesterase Inhibitors Protect Cell Wall Integrity for Arabidopsis Immunity to Botrytis

V Lionetti, E Fabri, M De Caroli, AR Hansen… - Plant …, 2017 - academic.oup.com
Infection by necrotrophs is a complex process that starts with the breakdown of the cell wall
(CW) matrix initiated by CW-degrading enzymes and results in an extensive tissue …

Pectin methylesterase and its proteinaceous inhibitor: a review

RP Jolie, T Duvetter, AM Van Loey… - Carbohydrate Research, 2010 - Elsevier
Pectin methylesterase (PME) catalyses the demethoxylation of pectin, a major plant cell wall
polysaccharide. Through modification of the number and distribution of methyl-esters on the …

Methyl esterification of pectin plays a role during plant–pathogen interactions and affects plant resistance to diseases

V Lionetti, F Cervone, D Bellincampi - Journal of plant physiology, 2012 - Elsevier
The cell wall is a complex structure mainly composed by a cellulose–hemicellulose network
embedded in a cohesive pectin matrix. Pectin is synthesized in a highly methyl esterified …

Posttranslational elevation of cell wall invertase activity by silencing its inhibitor in tomato delays leaf senescence and increases seed weight and fruit hexose level

Y **, DA Ni, YL Ruan - The Plant Cell, 2009 - academic.oup.com
Invertase plays multiple pivotal roles in plant development. Thus, its activity must be tightly
regulated in vivo. Emerging evidence suggests that a group of small proteins that inhibit …