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Veinal–mesophyll interaction under biotic stress

Journal of Plant Physiology, 01 August 2015, Vol.185, pp.52-56 [Peer Reviewed Journal]

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  • Title:
    Veinal–mesophyll interaction under biotic stress
  • Author: Nosek, Michał ; Rozpądek, Piotr ; Kornaś, Andrzej ; Kuźniak, Elżbieta ; Schmitt, Annegret ; Miszalski, Zbigniew
  • Found In: Journal of Plant Physiology, 01 August 2015, Vol.185, pp.52-56 [Peer Reviewed Journal]
  • Subjects: Botrytis Cinerea ; Cam ; Mesembryanthemum Crystallinum ; Vascular Bundles ; Botany
  • Language: English
  • Description: According to microscopic observations, germinating hyphae of , though easily penetrating mesophyll tissue, are limited in growth in mid-ribs and only occasionally reach vascular bundles. In mid-ribs of C and CAM leaves, we found significantly lower (large RubisCO subunit) abundance. Moreover, in CAM leaves, minute transcript contents for (phospho pyruvate carboxylase) and (malic enzyme) genes found in the mid-ribs suggest that they perform β-carboxylation at a low rate. The gene of the main H O -scavenging enzyme, (catalase), showed lower expression in C mid-rib parts in comparison to mesophyll. This allows maintenance of higher H O quantities in mid-rib parts. In C leaves, pathogen infection does not...
  • Identifier: ISSN: 0176-1617 ; DOI: 10.1016/j.jplph.2015.06.016

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