ArticlePLoS pathogens2021
Specialized 16SrX phytoplasmas induce diverse morphological and physiological changes in their respective fruit crops.
Article in PLoS pathogens, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 20 citations in OpenAlex.
- Dual biotic stressors shape volatile organic compound emission patterns in pome fruit trees.Plant signaling & behavior · 2026Article
- Apoplastic pH modulates gene expression, the proteome, and ABA content in Vicia faba guard cells and is accompanied by reduced stomatal aperture under salt stress.Journal of experimental botany · 2026Article
- Determination of the Phloem Mass Flow Velocity and Calculation of the Volumetric Flow Rate.Methods in molecular biology (Clifton, N.J.) · 2026Article
- OrchardQuant-3D: combining drone and LiDAR to perform scalable 3D phenotyping for characterising key canopy and floral traits in fruit orchards.Plant biotechnology journal · 2025Article
- Gatekeepers and Gatecrashers of the Symplasm: Cross-Kingdom Effector Manipulation of Plasmodesmata in Plants.Plants (Basel, Switzerland) · 2025Review
- Feasibility of Little Cherry/X-Disease Detection inSensors (Basel, Switzerland) · 2025Article
- The Role of Plant Defense Signaling Pathways in Phytoplasma-Infected and Uninfected Aster Leafhoppers' Oviposition, Development, and Settling Behavior.Journal of chemical ecology · 2024Article
- Integrated management of fruit trees andFrontiers in microbiology · 2024Article
- Plant Responses of Maize to TwoInternational journal of molecular sciences · 2023Article
- Acclimation of circadian rhythms in woodland strawberries (Fragaria vesca L.) to Arctic and mid-latitude photoperiods.BMC plant biology · 2023Article
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- Application of Plant Defense Elicitors Fails to Enhance Herbivore Resistance or Mitigate Phytoplasma Infection in Cranberries.Frontiers in plant science · 2021Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The host-pathogen combinations-Malus domestica (apple)/`Candidatus Phytoplasma mali´, Prunus persica (peach)/`Ca. P. prunorum´ and Pyrus communis (pear)/`Ca. P. pyri´ show different courses of diseases although the phytoplasma strains belong to the same 16SrX group. While infected apple trees can survive for decades, peach and pear trees die within weeks to few years. To this date, neither morphological nor physiological differences caused by phytoplasmas have been studied in these host plants. In this study, phytoplasma-induced morphological changes of the vascular system as well as physiological changes of the phloem sap and leaf phytohormones were analysed and compared with non-infected plants. Unlike peach and pear, infected apple trees showed substantial reductions in leaf and vascular area, affecting phloem mass flow. In contrast, in infected pear mass flow and physicochemical characteristics of phloem sap increased. Additionally, an increased callose deposition was detected in pear and peach leaves but not in apple trees in response to phytoplasma infection. The phytohormone levels in pear were not affected by an infection, while in apple and peach trees concentrations of defence- and stress-related phytohormones were increased. Compared with peach and pear trees, data from apple suggest that the long-lasting morphological adaptations in the vascular system, which likely cause reduced sap flow, triggers the ability of apple trees to survive phytoplasma infection. Some phytohormone-mediated defences might support the tolerance.
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