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Titolo:
beta-1,3-glucanase and chitinase activities and the resistance response ofwheat to leaf rust
Autore:
Anguelova-Merhar, VS; Van Der Westhuizen, AJ; Pretorius, ZA;
Indirizzi:
Univ Orange Free State, Dept Bot & Genet, ZA-9300 Bloemfontein, South Africa Univ Orange Free State Bloemfontein South Africa ZA-9300 n, South Africa
Titolo Testata:
JOURNAL OF PHYTOPATHOLOGY-PHYTOPATHOLOGISCHE ZEITSCHRIFT
fascicolo: 7-8, volume: 149, anno: 2001,
pagine: 381 - 384
SICI:
0931-1785(200108)149:7-8<381:BACAAT>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
LIGNIFICATION RESPONSE; LEAVES; PROTEINS; ELICITOR; MECHANISMS; BINDING; WALLS;
Keywords:
beta-1,3-glucanase; chitinase; leaf rust resistance; wheat;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Anguelova-Merhar, VS Univ Natal, Sch Life & Environm Sci, Plant Cell Biol Res Unit, ZA-4041 Durban, South Africa Univ Natal Durban South Africa ZA-4041 South Africa
Citazione:
V.S. Anguelova-Merhar et al., "beta-1,3-glucanase and chitinase activities and the resistance response ofwheat to leaf rust", J PHYTOPATH, 149(7-8), 2001, pp. 381-384

Abstract

To investigate the role of beta -1,3-glucanases (EC 3.2.1.39) and chitinases (EC 3.2.1.14) in the resistance response of wheat (Triticum aestivum L.)to leaf rust (Puccinia recondita f. sp. tritici), their intercellular activities were studied in resistant (Karee/Lr35) and susceptible (Karee) near-isogenic wheat lines under conditions of infection and non-infection. Resistance was associated with high constitutively expressed chitinase activity and induced beta -1,3-glucanase activity. At 168 hours postinoculation several infection sites on Karee/Lr35 displayed necrosis, confirming a hypersensitive response, whereas similar necrotic lesions were observed only for a limited number of infection sites on Karee at that sampling stage. The possible role of chitinases and beta -1,3-glucanases in the hypersensitive defence response of wheat to leaf rust is discussed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 02:37:16