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.)

M. Pompe-Novak, M. Tušek-Žnidarič, B. Štrukelj and M. Ravnikar
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M. Pompe-Novak: *National Institute of Biology, 1000 Ljubljana, Slovenia
M. Tušek-Žnidarič: *National Institute of Biology, 1000 Ljubljana, Slovenia
B. Štrukelj: *National Institute of Biology, 1000 Ljubljana, Slovenia
M. Ravnikar: *National Institute of Biology, 1000 Ljubljana, Slovenia

Plant Protection Science, 2002, vol. 38, issue SI1-6thConfEFPP, S95-S98

Abstract: 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 (search for similar items in EconPapers)
Date: 2002
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DOI: 10.17221/10327-PPS

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