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You searched for: Journal Plant physiology Remove constraint Journal: Plant physiology Subject chitin Remove constraint Subject: chitin Subject term seedlings Remove constraint Subject term: seedlings
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1. Differential induction of lipoxygenase isoforms in wheat upon treatment with rust fungus elicitor, chitin oligosaccharides, chitosan, and methyl jasmonate

Author:
Bohland, C.; Balkenhohl, T.; Loers, G.; Feussner, I.; Grambow, H.J.
Source:
Plant physiology 1997 v.114 no.2 pp. 679-685
ISSN:
0032-0889
Subject:
protein synthesis; dose response; chitosan; seedlings; jasmonic acid; linoleate 13S-lipoxygenase; Puccinia graminis; Triticum aestivum; leaves; plant pathogenic fungi; oligosaccharides; chitin; enzyme activity; isozymes; protein composition
Abstract:
... A glycopeptide elicitor prepared from germ tubes of the rust fungus Puccinia graminis Pers. f. sp. tritici Erikss. & Henn (Pgt),as well as chitin oligosaccharides, chitosan, and methyl jasmonate (MJ) stimulated lipoxygenase (LOX) activity (E.C. 1.13.11.12) in wheat (Triticum aestivum) leaves. Immunoblot analysis using anti-LOX antibodies revealed the induction of 92- and 103-kD LOX species after P ...

2. Loss-of-Function Mutations in Chitin Responsive Genes Show Increased Susceptibility to the Powdery Mildew Pathogen Erysiphe cichoracearum

Author:
Ramonell, Katrina; Berrocal-Lobo, Marta; Koh, Serry; Wan, Jinrong; Edwards, Herb; Stacey, Gary; Somerville, Shauna
Source:
Plant physiology 2005 v.138 no.2 pp. 1027-1036
ISSN:
0032-0889
Subject:
Arabidopsis thaliana; seedlings; gene expression regulation; plant genetics; disease resistance; powdery mildew; chitin; Erysiphe cichoracearum; plant pathogenic fungi; hyphae; conidia; nucleotide sequences
Abstract:
... Chitin is a major component of fungal walls and insect exoskeletons. Plants produce chitinases upon pathogen attack and chito-oligomers induce defense responses in plants, though the exact mechanism behind this response is unknown. Using the ATH1 Affymetrix microarrays consisting of about 23,000 genes, we examined the response of Arabidopsis (Arabidopsis thaliana) seedlings to chito-octamers and h ...
DOI:
10.1104/pp.105.060947
PubMed:
15923325
PubMed Central:
PMC1150417