scholarly journals The plant cell-wall enzyme AtXTH3 catalyses covalent cross-linking between cellulose and cello-oligosaccharide

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Naoki Shinohara ◽  
Naoki Sunagawa ◽  
Satoru Tamura ◽  
Ryusuke Yokoyama ◽  
Minoru Ueda ◽  
...  
Keyword(s):  
Cell Wall ◽  
Plant Cell ◽  
Plant Cell Wall ◽  
Cross Linking

scholarly journals Phenolic cross-links: building and de-constructing the plant cell wall

2020 ◽  
Vol 37 (7) ◽  
pp. 919-961 ◽  
Author(s):  
Ewelina Mnich ◽  
Nanna Bjarnholt ◽  
Aymerick Eudes ◽  
Jesper Harholt ◽  
Claire Holland ◽  
...  
Keyword(s):  
Cell Wall ◽  
Plant Cell ◽  
Oxidative Coupling ◽  
Plant Cell Wall ◽  
Cross Linking ◽  
Cell Wall Polysaccharides ◽  
Cross Links

Phenolic cross-links and inter-unit linkages result from the oxidative coupling of hydroxycinnamates leading to lignin assembly and cross-linking with cell wall polysaccharides and extensin proteins.

scholarly journals The Modification of Plant Cell Wall Polysaccharides in Potato Plants during Pectobacterium atrosepticum-Caused Infection

Plants ◽  
2021 ◽  
Vol 10 (7) ◽  
pp. 1407
Author(s):  
Vladimir Gorshkov ◽  
Ivan Tsers ◽  
Bakhtiyar Islamov ◽  
Marina Ageeva ◽  
Natalia Gogoleva ◽  
...  
Keyword(s):  
Cell Wall ◽  
Plant Cell ◽  
Plant Cell Wall ◽  
Expression Profiles ◽  
Soft Rot ◽  
Plant Colonization ◽  
Cross Linking ◽  
Cell Wall Polysaccharides ◽  
Pectobacterium Atrosepticum ◽  
Potato Plants

Our study is the first to consider the changes in the entire set of matrix plant cell wall (PCW) polysaccharides in the course of a plant infectious disease. We compared the molecular weight distribution, monosaccharide content, and the epitope distribution of pectic compounds and cross-linking glycans in non-infected potato plants and plants infected with Pectobacterium atrosepticum at the initial and advanced stages of plant colonization by the pathogen. To predict the gene products involved in the modification of the PCW polysaccharide skeleton during the infection, the expression profiles of potato and P. atrosepticum PCW-related genes were analyzed by RNA-Seq along with phylogenetic analysis. The assemblage of P. atrosepticum biofilm-like structures—the bacterial emboli—and the accumulation of specific fragments of pectic compounds that prime the formation of these structures were demonstrated within potato plants (a natural host of P. atrosepticum). Collenchyma was shown to be the most “vulnerable” tissue to P. atrosepticum among the potato stem tissues. The infection caused by the representative of the Soft Rot Pectobacteriaceae was shown to affect not only pectic compounds but also cross-linking glycans; the content of the latter was increased in the infected plants compared to the non-infected ones.

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