In land plants, polygalacturonic acids are major components of cell wall polysaccharides (pectins). Bound polygalacturonase-inhibit?ing peptides (PGIP) protect pectin from degradation by fungal polygalacturonases.
对于陆生植物,聚半乳糖醛酸是细胞壁多糖(果胶)的主要组成部分。束缚果胶酶酶抑制肽(PGIP),保护果胶,防止真菌果胶酶降解果胶。
















