Cytological responses in the hypersensitive reaction in cotyledon and stem tissues of Brassica napus after infection by Leptosphaeria maculans

L. Hua; K. Sivasithamparam; M.J. Barbetti; S.J. Wylie; J. Kuo

doi:10.1007/s10327-007-0067-z

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Cytological responses in the hypersensitive reaction in cotyledon and stem tissues of Brassica napus after infection by Leptosphaeria maculans

Journal article

Peer reviewed

Cytological responses in the hypersensitive reaction in cotyledon and stem tissues of Brassica napus after infection by Leptosphaeria maculans

L. Hua, K. Sivasithamparam, M.J. Barbetti, S.J. Wylie and J. Kuo

Journal of General Plant Pathology, Vol.74(2), pp.120-124

2008

DOI: https://doi.org/10.1007/s10327-007-0067-z

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Abstract

A hypersensitive response (HR) occurs after infection of cotyledon, leaf and stem of Brassica napus cv. Surpass 400 by an avirulent strain of Leptosphaeria maculans. The cotyledon or the sixth true-leaf stages of plants were inoculated with pycnidiospores of L. maculans (strain UWA P11). For the first time in this specific pathosystem and its HR, we report condensation of cytoplasm, shrinkage in cell size and nuclear DNA fragmentation in cotyledon tissues, and in stem tissues, shrinkage and condensation of the cytoplasm, chromatin fragmentation and lobing of the nucleus.

Details

Title: Cytological responses in the hypersensitive reaction in cotyledon and stem tissues of Brassica napus after infection by Leptosphaeria maculans
Authors/Creators: L. Hua (Author/Creator)
K. Sivasithamparam (Author/Creator) - The University of Western Australia
M.J. Barbetti (Author/Creator) - The University of Western Australia
S.J. Wylie (Author/Creator) - Murdoch University
J. Kuo (Author/Creator) - The University of Western Australia
Publication Details: Journal of General Plant Pathology, Vol.74(2), pp.120-124
Publisher: Springer Verlag
Identifiers: 991005545271507891
Copyright: 2007 Phytopathological Society of Japan
Murdoch Affiliation: State Agricultural Biotechnology Centre
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.4 Crop Science; 3.4.419 Jasmonic Acid
Web Of Science research areas: Plant Sciences
ESI research areas: Plant & Animal Science