endo beta mannanase/populus

Mannans are widespread hemicellulosic polysaccharides in plant cell walls. Hydrolysis of the internal beta-1,4-D: -mannopyranosyl linkage in the backbone of mannans is catalyzed by endo-beta-mannanase. Plant endo-beta-mannanase has been well studied for its function in seed germination. Its

Endo-1,4-β-mannanase is known to able to hydrolyze mannan-type polysaccharides in cell wall remodeling, but its function in regulating wall thickening has been little studied. Here we show that a Populus endo-1,4-β-mannanase gene, named PtrMAN6, suppresses cell wall thickening during xylem