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Biochim Biophys Acta. 2004 Feb 12;1696(2):237-44.

Polygalacturonases, polygalacturonase-inhibiting proteins and pectic oligomers in plant-pathogen interactions.

Author information

1
Dipartimento di Agrobiologia e Agrochimica, Università della Tuscia, Viterbo, Italy.

Abstract

Polygalacturonases (PGs) are produced by fungal pathogens during early plant infection and are believed to be important pathogenicity factors. Polygalacturonase-inhibiting proteins (PGIPs) are plant defense proteins which reduce the hydrolytic activity of endoPGs and favor the accumulation of long-chain oligogalacturonides (OGs) which are elicitors of a variety of defense responses. PGIPs belong to the superfamily of leucine reach repeat (LRR) proteins which also include the products of several plant resistance genes. A number of evidence demonstrates that PGIPs efficiently inhibit fungal invasion.

PMID:
14871664
DOI:
10.1016/j.bbapap.2003.08.012
[Indexed for MEDLINE]

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