Interactions and Co-Evolution Between Plant Hosts and Pathogens

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Molecular Biology".

Deadline for manuscript submissions: 15 August 2025 | Viewed by 1066

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California Department of Food and Agriculture, Plant Pest Diagnostic Center, 3294 Meadowview Road, Sacramento, CA 95832, USA
Interests: nematology; molecular systematics; phylogenetics; molecular diagnostics; phylogeography; phylogenomics
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Special Issue Information

Dear Colleagues,

Plants can be infected by diverse pathogenic organisms that modulate host cells to enable pathogen growth and dissemination. Plant-pathogen associations are complex interactions in which the interplay of pathogen, host and environment factors. The ongoing arms race between pathogens and plants is one of central themes in plant pathology, with significant implications for crop protection, disease resistance, and ecosystem health. This special issue seeks to explore the complex interactions and co-evolutionary dynamics between plant hosts and the pathogens that challenge their survival. Understanding how plants defend themselves against a wide array of pathogens, including bacteria, fungi, viruses, and nematodes, requires an integrated approach that considers both the molecular and ecological aspects of host-pathogen interactions. Additionally, the evolution of virulence in pathogens and the mechanisms plants employ to adapt to these threats are critical areas of research that can offer valuable insights into sustainable agricultural practices and the development of novel disease-resistant crops.

We invite original research articles, reviews, and perspectives that address the following topics:

  • Molecular mechanisms of plant-pathogen relationships and plant immune responses.
  • Co-evolutionary dynamics between pathogens and their plant hosts.
  • Mechanisms of pathogen virulence and strategies to overcome plant defenses.
  • Host-specific adaptations and pathogen-mediated manipulation of host physiology.
  • The role of plant-associated microbiomes in modulating pathogen interactions.
  • Advances in molecular breeding for disease-resistant crops.
  • Impact of environmental stressors on host-pathogen interactions.

By bringing together cutting-edge research on plant-pathogen interactions and co-evolution, this special issue aims to provide a deeper understanding of the evolutionary and molecular principles governing these relationships and to explore strategies for enhancing disease resistance in plants and control of pathogens.

Dr. Sergei A. Subbotin
Guest Editor

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Keywords

  • coevolution
  • disease resistance breeding
  • effectors
  • environmental stress
  • host adaptation
  • host defense mechanisms
  • immune signaling pathways
  • microbiome interactions
  • molecular plant pathology
  • pathogen epidemiology
  • pathogen evolution
  • pathogen virulence
  • plant disease resistance
  • plant immunity
  • plant microbiota
  • plant-microbe co-evolution
  • plant-pathogen interactions

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Published Papers (1 paper)

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Research

22 pages, 6433 KiB  
Article
Wood-Inhabiting Nematode, Bursaphelenchus ussuriensis sp. n. (Nematoda: Aphelenchoididae) from David Elm, with Molecular Phylogeny of the Genus Based on Partial Mitochondrial Genomes
by Alexander Yu. Ryss, Sergio Álvarez-Ortega, Boris D. Efeykin, Ivan A. Kerchev, Kristina S. Polyanina, Anna I. Solovyeva and Sergei A. Subbotin
Plants 2025, 14(1), 93; https://doi.org/10.3390/plants14010093 - 31 Dec 2024
Viewed by 820
Abstract
A new nematode species, Bursaphelenchus ussuriensis sp. n. is described in the bark beetle–elm tree association (Scolytus jacobsoni and Ulmus davidiana var. japonica f. suberosa) in the Asian Pacific region of Russia. The new species belongs to the Hofmanni group of [...] Read more.
A new nematode species, Bursaphelenchus ussuriensis sp. n. is described in the bark beetle–elm tree association (Scolytus jacobsoni and Ulmus davidiana var. japonica f. suberosa) in the Asian Pacific region of Russia. The new species belongs to the Hofmanni group of Bursaphelenchus and is closest to B. ulmophilus. Its characteristics are as follows: lateral field with three incisures, body length 497–771 µm, post-uterine sac 3.6–5.4 times vulval body diam, 56 (39–66)% of vulva–anus distance, and spicule length 10.3 (9.5–12.5 µm). The new species differs from all species of the Hofmanni group in the closely situated P3 and P4 male caudal papillae and the GP5 small ‘glandpapillae’ pair on the butterfly-like papillae plate, in the set of P1, P2, P3, P4, GP5; vs. in all other species, the P4 papillae pair is absent in the pattern of P1, P2, P3, GP5. The phylogenetic position of B. ussuriensis sp. n. with other species of the Hofmanni group were reconstructed using the D2–D3 expansion segments of 28S and ITS rRNA gene sequence analysis. Sequences of twelve mitochondrial protein-coding genes of B. cocophilus, B. fraudulentus, B. michalskii, B. ussurensis sp. n., and B. willibaldi were obtained in this study. Phylogenetic relationships among eighteen Bursaphelenchus species based on the analysis of the mtDNA sequence dataset are provided and discussed. A modified diagnosis of the Hofmanni group is proposed. Full article
(This article belongs to the Special Issue Interactions and Co-Evolution Between Plant Hosts and Pathogens)
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