Special Issue "Mycorrhizal Fungal Diversity"

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Microbial Diversity and Culture Collections".

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 1938

Special Issue Editors

Department of Life Sciences and Systems Biology, University of Torino (Italy), Viale Mattioli 25, 10125 Torino, Italy
Interests: Illumina MiSeq; soil fungal biodiversity; mycorrhizal fungi; microbial ecology; orchids mycorrhizal fungi; Archaeobotany
Institute for Sustainable Plant Protection (IPSP), Italian National Research Council (CNR), Viale Mattioli 25, 10125 Torino, Italy
Interests: environmental microbiology: plants and soil microorganisms; root symbioses; plant–soil microbial interactions; nitrogen-fixing symbionts, arbuscular mycorrhizal fungi and their associated bacteria; metabarcoding analysis of soil microbial communities (fungi, bacteria, archaea) in natural (alpine, Mediterranean ecosystems) and agricultural environments (soils subjected to land-use gradient) and their impact on plant growth and development
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Mycorrhizal fungi play an important role in terrestrial ecosystems, as they regulate nutrient and carbon cycles, and influence various ecosystem processes (e.g. soil aggregation, litter decomposition, and seedling survival). Mycorrhizal symbioses influence plant growth and performance (including plant productivity), and increase the tolerance to biotic and abiotic stresses (e.g., water deficit).

The real magnitude of fungal diversity has only recently been appreciated thanks to the development of large-scale DNA sequence datasets obtained by means of next-generation sequencing (NGS). These new findings have highlighted that soil ecosystems and their functioning are under the threat of biodiversity loss.

In this context, agricultural practices, forest management, and different human impacts and climate change strongly affect soil physical and chemical characteristics, which impact the microbial communities, affecting their abundance, diversity, and activity.

The purpose of this Special Issue is to focus on mycorrhizal fungi biodiversity in different environments, both natural and anthropic, in order to depict the driving forces that shape the mycorrhizal component of the total fungal soil community.

Papers that describe single case studies, technical advances, as well as perspective views in order to depict mycorrhizal biodiversity are most welcome.

Dr. Samuele Voyron
Dr. Erica Lumini
Guest Editors

Manuscript Submission Information

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  • mycorrhizal fungi
  • climate change and fungal biodiversity
  • natural ecosystems
  • agroforestry environment
  • mycorrhizal interaction with biotic and abiotic factors
  • anthropic environment

Published Papers (1 paper)

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13 pages, 2667 KiB  
Brief Report
The Nurse Plant Acacia spirorbis Enriches Ectomycorrhizal Community Composition of a Target Species: Tristaniopsis calobuxus
Diversity 2022, 14(2), 107; https://doi.org/10.3390/d14020107 - 02 Feb 2022
Cited by 1 | Viewed by 1388
We investigated the suitability of Acacia spirorbis Labill., a tropical ectomycorrhizal (ECM) tree, as a nurse plant to improve the growth of Tristaniopsis calobuxus Brongn. & Gris seedlings for the restoration of nickel mines in New Caledonia. Rehabilitation of nickel mines in New [...] Read more.
We investigated the suitability of Acacia spirorbis Labill., a tropical ectomycorrhizal (ECM) tree, as a nurse plant to improve the growth of Tristaniopsis calobuxus Brongn. & Gris seedlings for the restoration of nickel mines in New Caledonia. Rehabilitation of nickel mines in New Caledonia is a major concern. In such harsh soil conditions, ectomycorrhizal (ECM) symbiosis is important for tree growth, survival, and resistance. To improve ecological restoration in New Caledonia, new technical itineraries have undergone experimentation using ECM as a plant nurse, allowing ECM saplings to rapidly acquire a wide range of ECM fungi. We transplanted ECM seedlings of Tristaniopsis calobuxus from the nursery to bare ferralitic soils harbouring some scattered 12-year-old Acacia spirorbis to be used as ECM nurse plants. Using molecular characterisation of ITS rDNA, we characterised ECM fungal communities of A. spirorbis and of T. calobuxus saplings at transplanting time and 13 months later. We observed changes in the composition of fungal communities of T. calobuxus with an increase in diversity, notably the appearance of operational taxonomic units (OTUs) affiliated with /russula, /boletus and /pisolithus-scleroderma and a decrease in ubiquitous nursery order such as /sebacina. We also observed a higher number of shared OTUs between T. calobuxus and A. spirorbis. The vicinity of A. spirorbis enabled diversification and adaptation of the T. calobuxus ECM fungal community. These results led us to recommend A. spirorbis as a good nurse tree candidate in the framework of ecological restoration of mine sites. Full article
(This article belongs to the Special Issue Mycorrhizal Fungal Diversity)
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