GrainGenes Reference Report: PYC-58-743
Reference
PYC-58-743
Title
A basic peroxidase from wheat kernel with antifungal activity
Journal
Phytochemistry
Year
2001
Volume
58
Pages
743-750
Author
[ Hide all but 1 of 7 ] Caruso C Chilosi G Leonardi L Bertini L Magro P Buonocore V Caporale C
Abstract
Summary: A basic heme-peroxidase (WP1) was purified to homogeneity from wheat (Triticum aestivum) kernels. The protein was not glycosylated and exhibited a molecular mass of 36 kDa and a pI of 8.0. The N-terminal amino acid sequence revealed a very high similarity with a wheat flour peroxidase allergen associated with baker's asthma. WPI showed indole-3-acetic acid oxidase activity in the presence of Mn2+ and phenolic cofactors. Antifungal assays performed in vitro towards phytopathogenic fungi indicated that WP1 was active in inhibiting germ tube elongation. This first report on antifungal properties of a heme-peroxidase gives experimental support to the idea that peroxidases play a defensive role against invading pathogens
External Databases
Pubmed: 11672739
Keyword
acid
[ Show all 48 ]
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GrainGenes Reference Report: PYC-58-743
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GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture. | |||