Plant Protect. Sci., 2002, 38(10):S95-S98 | DOI: 10.17221/10327-PPS

The influence of jasmonic acid on the amount and the distribution of cysteine proteinase PLCP-2 in healthy and PVYNTN infected potato plants (Solanum tuberosum L.)Original Paper

M. Pompe-Novak, M. Tušek-Žnidarič, B. Štrukelj, M. Ravnikar
1 National Institute of Biology, 1000 Ljubljana, Slovenia
2 Jožef Stefan Institute, 1000 Ljubljana, Slovenia
3 Faculty of Pharmacy, University of Ljubljana, 1000 Ljubljana, Slovenia Tel.: +386 1 423 3388, Fax: +386 1 257 3847, E-mail: marusa.pompe@uni-lj.si

The localization of cysteine proteinase PLCP-2 was investigated in potato plants (Solanum tuberosum L.) cultivar Désirée by electron microscopy. Healthy and PVYNTN infected potato plants were grown in vitro on media with or without a supplement of jasmonic acid. We had already shown that PLCP-2 is present in leaves, stems, tips of shoots and tips of roots of healthy and PVYNTN infected plants. It was detected in various cell types in protein bodies in vacuoles, in cytoplasm and in cell walls. There were significantly larger amounts of PLCP-2 in plants grown on medium with a supplement of jasmonic acid in both healthy and virus infected plants. More protein bodies in vacuoles were found in plants grown on medium with addition of jasmonic acid.

Keywords: Potato virus YNTN; potato (Solanum tuberosum L.); cysteine proteinase PLCP-2; jasmonic acid; immunolocalization; electron microscopy

Published: June 30, 2002  Show citation

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Pompe-Novak M, Tušek-Žnidarič M, Štrukelj B, Ravnikar M. The influence of jasmonic acid on the amount and the distribution of cysteine proteinase PLCP-2 in healthy and PVYNTN infected potato plants (Solanum tuberosum L.). Plant Protect. Sci. 2002;38(SI 1 - 6th Conf EFPP):S95-98. doi: 10.17221/10327-PPS.
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