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Título
Plant Cell Wall Plasticity under Stress Situations
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Plants
Número de la revista
20
Cita Bibliográfica
García Angulo, P.; Largo Gosens, A. (2022). Plant Cell Wall Plasticity under Stress Situations. Plants, 11(20), https://doi.org/10.3390/PLANTS11202752
Editorial
MDPI
Fecha
2022
Resumen
[EN] This Special Issue, entitled “Plant Cell Wall Plasticity under Stress Situations”, is
a compilation of five articles, whose authors deepen our understanding of the roles of
different cell wall components under biotic and abiotic stress.
The plant cell wall is mainly formed of complex polysaccharides, with multiple
interactions between the components that form a network which must be extensible, so
as to enable cell expansion, rigid, so as to resist compression and tension forces, and
modifiable in response to environmental changes.
Cellulose, the most abundant and resistant polysaccharide on earth, is the main
component of the cell wall. The cellulose scaffold is involved in a matrix formed of
polysaccharides, such as pectins and hemicelluloses, whose types and proportions vary
depending on the species, tissue, and cell type. The deposition of lignin—the second most
abundant polymer on earth—in secondary cell walls increases the resistance, leading to
growth cessation. All these polymers are crosslinked into the wall in a process that can
occur spontaneously and/or by the actions of different modifying enzymes. The control of
the synthesis of these cell wall components and/or the interactions between them gives this
structure a high plasticity, which is a key factor in the modulation of growth and defense
responses under different types of stress.
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