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Visualising the ionome in resistant and susceptible plant–pathogen interactions

Brouwer, S. M.; Lindqvist-Reis, P. 1; Persson, D. P.; Marttila, S.; Grenville-Briggs, L. J.; Andreasson, E.
1 Institut für Nukleare Entsorgung (INE), Karlsruher Institut für Technologie (KIT)


At the morphological and anatomical levels, the ionome, or the elemental composition of an organism, is an understudied area of plant biology. In particular, the ionomic responses of plant–pathogen interactions are scarcely described, and there are no studies on immune reactions. In this study we explored two X-ray fluorescence (XRF)-based ionome visualisation methods (benchtop- and synchrotron-based micro-XRF [µXRF]), as well as the quantitative inductively coupled plasma optical emission spectroscopy (ICP-OES) method, to investigate the changes that occur in the ionome of compatible and incompatible plant–pathogen interactions. We utilised the agronomically important and comprehensively studied interaction between potato (Solanum tuberosum) and the late blight oomycete pathogen Phytophthora infestans as an example. We used one late blight-susceptible potato cultivar and two resistant transgenic plant lines (only differing from the susceptible cultivar in one or three resistance genes) both in control and P. infestans-inoculated conditions. In the lesions from the compatible interaction, we observed rearrangements of several elements, including a decrease of the mobile macronutrient potassium (K) and an increase in iron (Fe) and manganese (Mn), compared with the tissue outside the lesion. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000137586
Veröffentlicht am 24.09.2021
DOI: 10.1111/tpj.15469
Zitationen: 2
Web of Science
Zitationen: 2
Zitationen: 3
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Nukleare Entsorgung (INE)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 11.2021
Sprache Englisch
Identifikator ISSN: 0960-7412, 1365-313X
KITopen-ID: 1000137586
HGF-Programm 32.11.01 (POF IV, LK 01) Nuclear Waste Disposal
Erschienen in Plant Journal
Verlag John Wiley and Sons
Band 108
Heft 3
Seiten 870-885
Vorab online veröffentlicht am 18.08.2021
Nachgewiesen in Scopus
Web of Science
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