期刊
PROTOPLASMA
卷 258, 期 6, 页码 1179-1185出版社
SPRINGER WIEN
DOI: 10.1007/s00709-021-01660-y
关键词
Root extracellular trap; Border cells; Mucilage; Root immunity; Plants
资金
- University of Rouen Normandy (Fra)
- University of Stellenbosh (RSA)
- la Region de Normandie
Root cap-derived cells and mucilage form a root extracellular trap (RET) similar to the neutrophil extracellular trap (NET) in mammals, containing defensive molecules and attracting specific microbes to the rhizosphere through arabinogalactan proteins.
Root cap-derived cells and mucilage provide the first line of defense of the plant against soil microbial pathogens. These cells form a mucilaginous root extracellular trap (RET), which also harbors a range of molecules including exDNA and defensive peptides and proteins much like the neutrophil extracellular trap (NET) of mammalians. Plant RETs resemble mucus structures found in mammalian systems and are rich in arabinogalactan proteins that have similarities to highly glycosylated human mucins. Human mucus and mucins regulate the intestinal flora microbiome through recruiting certain species of microbes and it is plausible that the arabinogalactan protein-rich mucilage found in plant roots fulfills a similar function by attracting specific microbes to the rhizosphere. The role of RETs in root defense functioning is highlighted.
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