Microbiomes of Forest Pests and Their Hosts

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Health".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 1478

Special Issue Editors


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Guest Editor
Department of Biology & Ecology, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic
Interests: numerical ecology; microorganisms as players in insect-plant interactions

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Guest Editor
Department of Biology & Ecology, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic
Interests: taxonomy and ecology of bryophytes; phytogeography of epiphytic bryophytes
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Special Issue Information

Dear Colleagues,

Forest pests cause massive economic and ecological losses worldwide. Their ecological control may lay in understanding their microbiomes. Insect pests’ microbiomes may provide the host with cellulolytic and ligninolytic enzymes or essential nutrients. They can detoxify phytochemicals and pesticides, or interact with the regulation of plant signaling pathways. Moreover, trees also harbor a large diversity of microbes, acting as entomopathogens, boosters of tree defenses, and inductors of plant chemical defenses. Tri-trophic interactions between trees, insect pests, and their microbes may be further complicated by soil microbiomes, which affect plants’ fitness and thus aboveground pests. Knowledge and the manipulation of these multiple interactions may be crucial for the improved pest tolerance of forest ecosystems and could be integrated into pest control strategies. The importance of these interactions is growing with climate change, as microbiome populations increase and evolve faster in stressful conditions. However, the mediation of multitrophic interactions for forest systems is still in its infancy in comparison to agricultural systems. We thus encourage studies from all fields, including experimental and monitoring approaches, to contribute to this Special Issue in order to promote knowledge of the role of insect–plant–microbiome interactions in sustainable insect pest management practices.

Dr. Petr Pyszko
Dr. Vítězslav Plášek
Guest Editors

Manuscript Submission Information

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Keywords

  • microbiomes
  • plant signaling pathways
  • plant chemical defense
  • bark beetles
  • herbivorous insects
  • pest control
  • multi-trophic interactions
  • climate change

Published Papers (1 paper)

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Research

19 pages, 4812 KiB  
Article
Changes in Phyllosphere Microbial Communities of Pinus tabuliformis after Infestation by Bursaphelenchus xylophilus
by Yong Jiang, Jiaying Liu, Shichu Liang, Wenxu Zhu and Hui Li
Forests 2023, 14(2), 179; https://doi.org/10.3390/f14020179 - 18 Jan 2023
Viewed by 1268
Abstract
Phyllosphere microbial communities have an important role in plant growth and resistance to pathogen infection and are partially influenced by leaf characteristics. Pinewood nematode, Bursaphelenchus xylophilus, is one of the greatest threats to pine trees and is spreading all over the world. However, [...] Read more.
Phyllosphere microbial communities have an important role in plant growth and resistance to pathogen infection and are partially influenced by leaf characteristics. Pinewood nematode, Bursaphelenchus xylophilus, is one of the greatest threats to pine trees and is spreading all over the world. However, studies on the resistance of plant–microbe interactions to pathogens during the nematode’s pathogenesis and the relationships of leaf chemical characteristics caused by pinewood nematode and phyllosphere microbial communities are limited. In this study, different stages of Pinus tabuliformis that were healthy or infected with B. xylophilus-associated leaf characteristics and phyllosphere bacterial and fungal communities were compared. These results demonstrated that soluble sugar and starch contents decreased based on the extent of infection. Phyllosphere microbial community changes potentially caused by B. xylophilus infection of P. tabuliformis and the fungal community compositions of healthy P. tabuliformis trees (Ya) were clearly different from diseased P. tabuliformis trees at an early stage of B. xylophilus infection (Yb) and P. tabuliformis trees in the last stage of B. xylophilus infection (Yc), particularly along the first coordinate axis. According to a linear discriminant effect size (LEfSe) analysis, the biomarker species in the phyllosphere of Yb were Acidobacteria, Deinococcus-Thermus, and Patescibacteria, while those in the phyllosphere of Ya were Proteobacteria, Aureobasidium, Dictyosporium, Alternariaster, Knufia, Microstroma, and Naganishia. Particularly at the end of PWD (pine wilt disease) infection, the majority of microbial taxa tended to co-exclude rather than co-occur with PWD infection. The result of a canonical correlation analysis (CCA) showed that the chemical properties of leaves, such as carbon and nitrogen, have significant impacts on phyllosphere microbial communities. These results expanded the possible connections between the phyllosphere communities and plant health. Full article
(This article belongs to the Special Issue Microbiomes of Forest Pests and Their Hosts)
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