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Open AccessArticle

Modifications in Tissue and Cell Ultrastructure as Elements of Immunity-Like Reaction in Chenopodium quinoa against Prune Dwarf Virus (PDV)

1
Department of Botany, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska Street 159, 02776 Warsaw, Poland
2
Department of Biological Sciences, Northern Illinois University, DeKalb, IL 60115, USA
*
Authors to whom correspondence should be addressed.
Cells 2020, 9(1), 148; https://doi.org/10.3390/cells9010148
Received: 20 November 2019 / Revised: 4 January 2020 / Accepted: 6 January 2020 / Published: 8 January 2020
(This article belongs to the Section Plant, Algae and Fungi Cell Biology)
Prune dwarf virus (PDV) is a plant RNA viral pathogen in many orchard trees worldwide. Our knowledge about resistance genes or resistant reactions of plant hosts to PDV is scant. To fill in part of this gap, an aim of this study was to investigate reactions to PDV infection in a model host, Chenopodium quinoa. Our investigations concentrated on morphological and ultrastructural changes after inoculation with PDV strain 0599. It turned out that PDV infection can cause deformations in host cells but also induce changes in the organelles, such as chloroplasts in inoculated leaves. Moreover, we also demonstrated specific reactions/changes, which could be associated with both types of vascular tissue capable of effectively blocking the systemic spread of PDV to upper leaves. Furthermore, the relative amount of virus, P1 protein deposition, and movement protein (MP) gene expression consequently decreased in PDV-inoculated leaves. View Full-Text
Keywords: prune dwarf virus; plant immunity; plant-virus interactions; virus systemic transport prune dwarf virus; plant immunity; plant-virus interactions; virus systemic transport
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MDPI and ACS Style

Kozieł, E.; Otulak-Kozieł, K.; Bujarski, J.J. Modifications in Tissue and Cell Ultrastructure as Elements of Immunity-Like Reaction in Chenopodium quinoa against Prune Dwarf Virus (PDV). Cells 2020, 9, 148.

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