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Titolo:
ACTIVE OXYGEN SPECIES IN THE INDUCTION OF PLANT SYSTEMIC ACQUIRED-RESISTANCE BY SALICYLIC-ACID
Autore:
CHEN ZX; SILVA H; KLESSIG DF;
Indirizzi:
RUTGERS UNIV,WAKSMAN INST PISCATAWAY NJ 08855 RUTGERS UNIV,WAKSMAN INST PISCATAWAY NJ 08855
Titolo Testata:
Science
fascicolo: 5141, volume: 262, anno: 1993,
pagine: 1883 - 1886
SICI:
0036-8075(1993)262:5141<1883:AOSITI>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
SIGNAL TRANSDUCTION; BINDING PROTEIN; RECEPTOR; ASPIRIN; TOBACCO; GENE; ANTIBODIES; SYRINGAE; CATALASE; DISEASE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
43
Recensione:
Indirizzi per estratti:
Citazione:
Z.X. Chen et al., "ACTIVE OXYGEN SPECIES IN THE INDUCTION OF PLANT SYSTEMIC ACQUIRED-RESISTANCE BY SALICYLIC-ACID", Science, 262(5141), 1993, pp. 1883-1886

Abstract

A complementary DNA encoding a salicylic acid (SA)-binding protein has been cloned. Its properties suggest involvement in SA-mediated induction of systemic acquired resistance (SAR) in plants. The sequence of the protein is similar to that of catalases and the protein exhibits catalase activity. Salicylic acid specifically inhibited the catalase activity in vitro and induced an increase in H2O2 concentrations in vivo. H2O2 or compounds, such as SA, that inhibit catalases or enhance the generation of H2O2, induced expression of defense-related genes associated with SAR. Thus, the action of SA in SAR is likely mediated by elevated amounts of H2O2.

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Documento generato il 09/04/20 alle ore 20:07:32