| KAŠPAROVSKÝ, Tomáš, Lea LOJKOVÁ a Vladimír MIKEŠ. Mycelium extracts of Armillaria trigger a hypersensitive response in sensitive plant cells. In Book of Abstracts of EFPP Congres 2000, Taormina, Italy. Catania: EFPP, 2000, s. 63. |
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@inproceedings{334471,
author = {Kašparovský, Tomáš and Lojková, Lea and Mikeš, Vladimír},
address = {Catania},
booktitle = {Book of Abstracts of EFPP Congres 2000, Taormina, Italy},
keywords = {Elicitor; Armillaria; defence reactiion},
language = {eng},
location = {Catania},
pages = {63-63},
publisher = {EFPP},
title = {Mycelium extracts of Armillaria trigger a hypersensitive response in sensitive plant cells},
year = {2000}
}
TY - JOUR
ID - 334471
AU - Kašparovský, Tomáš - Lojková, Lea - Mikeš, Vladimír
PY - 2000
TI - Mycelium extracts of Armillaria trigger a hypersensitive response in sensitive plant cells
PB - EFPP
CY - Catania
KW - Elicitor
KW - Armillaria
KW - defence reactiion
N2 - The genus Armillaria includes serious pathogens causing root rot of a broad host range of plants. Water extracts of mycelium of A. tabescens inhibited the growth of Picea cell cultures and disturbed photosynthesis in leaves of Acer pseudoplatanus measured by fluorimetry. Extracts of mycelium of A. tabescens obtained by supercritical fluid extraction (SFE) trigger a hypersensitive response in suspension of tobacco cells accompanied by an alkalization of extracellular medium and production of active oxygen species. The HPLC analysis and GC-MS of SFE proved the presence of several toxins and sterols, namely ergosterol and dehydroergosterol. This reponse was calcium dependent and was stopped by inhibitors of protein kinases. At least two sterols had elicitor activity; one of them was ergosterol.
ER -
KAŠPAROVSKÝ, Tomáš, Lea LOJKOVÁ a Vladimír MIKEŠ. Mycelium extracts of Armillaria trigger a hypersensitive response in sensitive plant cells. In \textit{Book of Abstracts of EFPP Congres 2000, Taormina, Italy}. Catania: EFPP, 2000, s.~63.
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