NDLI: Multiple hormone analysis indicates involvement of jasmonate signalling in the early defence of potato to potato virus YNTN

Content Provider	Springer Nature Link
Author	Kovač, M. Müller, A. Milovavič Jarh, D. Milavec, M. Düchting, P. Ravnikar, M.
Copyright Year	2009
Abstract	The involvement of plant hormones in the very early response of plants to virus infection was studied in potato plants (Solanum tuberosum L.) infected with potato virus YNTN (PVYNTN). Endogenous plant hormones and compounds mediating a stress response (JA-jasmonic acid, OPDA-12-oxo phytodienoic acid, SA-salicylic acid, IAA-indole-3-acetic acid, ABA-abscisic acid) were simultaneously quantified in susceptible cv. Désirée and resistant cv. Santé, one and three hours after inoculation. Of the hormones analysed, only the contents of endogenous JA and its precursor OPDA changed in a way that could be clearly connected with the early resistant response. In comparison to susceptible cultivar, a much more pronounced increase of JA was detected in virus-inoculated leaves of resistant cultivar at both time points. The same trend of changes was also observed with OPDA. However, there were no significant changes of JA and its precursor in upper intact systemic leaves and roots, at either time point. These findings implicate the jasmonate signalling pathway in a very early local but not systemic resistant defence of potato to PVYNTN.
Starting Page	195
Ending Page	199
Page Count	5
File Format	PDF
ISSN	00063134
Journal	Biologia Plantarum
Volume Number	53
Issue Number	1
e-ISSN	15738264
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-03-21
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Plant Science Horticulture

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