Description
Application Sodium polypectate can be used to sequester metal ions. In fungal cultures, it is used as a carbon source and inducer of polygalacturonases.
Biochem/physiol Actions In land plants, polygalacturonic acids are major components of cell wall polysaccharides （pectins）. Bound polygalacturonase-inhibiting peptides （PGIP） protect pectin from degradation by fungal polygalacturonases.

Properties
biological source from citrus fruit
assay ≥75% （titration）

Safety
Personal Protective Equipment Eyeshields, Gloves, type N95 （US）, type P1 （EN143） respirator filter
WGK Germany 3

References
reference Willats, W.G., et al., Pectin: cell biology and prospects for functional analysis. Plant Mol. Biol. 47, 9-27, （2001） Abstract
  Ridley, B.L., et al., Pectins: structure, biosynthesis, and oligogalacturonide-related signaling. Phytochemistry 57, 929-967, （2001） Abstract
  Spadoni, S., et al., Polygalacturonase-inhibiting protein interacts with pectin through a binding site formed by four clustered residues of arginine and lysine. Plant Physiol. 141, 557-564, （2006） Abstract
  Vanzela, A.P., and Said, S., Evidence for carbon source regulated protein kinase A and protein kinase C signaling in the duplication cycle, polarization and septum formation in Aspergillus nidulans. Microbiol. Rev. 157, 239-247, （2002）
  Chellengatti, M.A., et al., Sequential synthesis and secretion of pectinases by Penicillium frequentans. J. Basic Microbiol. 40, 319-326, （2000） Abstract

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