Chitosan as a MAMP, searching for a PRR (Articolo in rivista)

Type
Label
  • Chitosan as a MAMP, searching for a PRR (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Alternative label
  • Iriti, m., Faoro, F. (2009)
    Chitosan as a MAMP, searching for a PRR
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Iriti, m., Faoro, F. (literal)
Pagina inizio
  • 66 (literal)
Pagina fine
  • 68 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Universita' di Milano, Dipartimeto di Produzione Vegetale. (literal)
Titolo
  • Chitosan as a MAMP, searching for a PRR (literal)
Abstract
  • Chitosan, a deacetylated chitin derivative, behaves like a general elicitor, inducing a non-host resistance and priming a systemic acquired immunity. The defence responses elicited by chitosan include rising of cytosolic H* and Ca2+, activation of MAP-kinases, callose apposition, oxidative burst, hypersensitive response (HR), synthesis of abscissic acid (ABA), jasmonate, phytoalexins and pathogenesis related (PR) proteins. Putative receptors for chitosan are a chitosan-binding protein, recently isolated, and possibly the chitin elicitor-binding protein (CEBiP). Nevertheless, it must be pointed out that biological activity of chitosan, besides the plant model, strictly depends on its physicochemical properties (deacetylation degree, molecular weight and viscosity), and that there is a threshold for chitosan concentration able to switch the induction of a cell death programme into necrotic cell death (cytotoxicity). (literal)
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