Developmental Modulation of Root Cell Wall Architecture Confers Resistance to an Oomycete Pathogen.

ABSTRACT: The cell wall is the primary interface between plant cells and their immediate environment and must balance multiple functionalities, including the regulation of growth, the entry of beneficial microbes, and protection against pathogens. Here, we demonstrate how API, a SCAR2 protein component of the SCAR/WAVE complex, controls the root cell wall architecture important for pathogenic oomycete and symbiotic bacterial interactions in legumes. A mutation in API results in root resistance to the pathogen Phytophthora palmivora and colonization defects by symbiotic rhizobia. Although api mutant plants do not exhibit significant overall growth and development defects, their root cells display delayed actin and endomembrane trafficking dynamics and selectively secrete less of the cell wall polysac

SUBMITTER: Gavrin A 

PROVIDER: S-EPMC7658807 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature