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Rhizosphere Microbiomes in Sustainable Agriculture: Applications in Crop Production, Protection, and Soil Clean-Up

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Soil Conservation and Sustainability".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 7397

Special Issue Editor

Special Issue Information

Dear Colleagues,

The new agricultural systems require a balance between production and a minimum of impacts on the environment. In this sense, the microorganisms that reside in the rhizosphere (rhizosphere microbiome) of plants can help in this task, making agricultural production a sustainable activity. Microbiome applications may be relevant to stimulate crop growth and production, as well as inhibit the growth of potential pathogens and / or stimulate defense responses in plant hosts. Multiple studies have also shown that rhizosphere microbes, such as bacteria or fungi, can help in bioremediation of soils contaminated with heavy metals or complex compounds.

As a guest editor of this Special Issue, I invite you to collaborate with original research papers, opinion articles or reviews on the rhizosphere microbiome that shed new light on the understanding of the biological interactions in this complex microecosystem (the rhizosphere), and that help to generate sustainable processes in present and future systems for agricultural production.

This Special Issue includes (but is not limited) to the following topics:

  • Mechanisms of action of rhizosphere microbes
  • Applications of beneficial fungi (such as Trichoderma and Mycorrhizae) in agriculture
  • Description of novel biocontrol agents for pre- and postharvest diseases
  • Beneficial plant-microbiomes interactions
  • Plant growth-promotion by microbial consortia
  • Application and commercialization of bioinoculants for sustainable agriculture
  • Rhizosphere microbiome engineering
  • Role of the rhizosphere microbiome in reducing abiotic and biotic stress in plant crops
  • State-of-the-art reviews on rhizosphere microbiome in sustainable agriculture
  • State-of-the-art reviews on soil clean-up by soil microbes

Dr. Gustavo Santoyo
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • plant growth-promoting bacteria
  • rhizosphere ecology
  • microbiome diversity
  • biological control
  • sustainable agriculture
  • metagenomics
  • plant-microbe interactions
  • trichoderma
  • mycorrhizae
  • microbial consortia
  • bioinoculants

Published Papers (1 paper)

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Review

32 pages, 1130 KiB  
Review
Trichoderma: Advent of Versatile Biocontrol Agent, Its Secrets and Insights into Mechanism of Biocontrol Potential
by Nazia Manzar, Abhijeet Shankar Kashyap, Ravi Shankar Goutam, Mahendra Vikram Singh Rajawat, Pawan Kumar Sharma, Sushil Kumar Sharma and Harsh Vardhan Singh
Sustainability 2022, 14(19), 12786; https://doi.org/10.3390/su141912786 - 07 Oct 2022
Cited by 35 | Viewed by 6586
Abstract
Trichoderma is an important biocontrol agent for managing plant diseases. Trichoderma species are members of the fungal genus hyphomycetes, which is widely distributed in soil. It can function as a biocontrol agent as well as a growth promoter. Trichoderma species are now frequently [...] Read more.
Trichoderma is an important biocontrol agent for managing plant diseases. Trichoderma species are members of the fungal genus hyphomycetes, which is widely distributed in soil. It can function as a biocontrol agent as well as a growth promoter. Trichoderma species are now frequently used as biological control agents (BCAs) to combat a wide range of plant diseases. Major plant diseases have been successfully managed due to their application. Trichoderma spp. is being extensively researched in order to enhance its effectiveness as a top biocontrol agent. The activation of numerous regulatory mechanisms is the major factor in Trichoderma ability to manage plant diseases. Trichoderma-based biocontrol methods include nutrient competition, mycoparasitism, the synthesis of antibiotic and hydrolytic enzymes, and induced plant resistance. Trichoderma species may synthesize a variety of secondary metabolites that can successfully inhibit the activity of numerous plant diseases. GPCRs (G protein-coupled receptors) are membrane-bound receptors that sense and transmit environmental inputs that affect fungal secondary metabolism. Related intracellular signalling pathways also play a role in this process. Secondary metabolites produced by Trichoderma can activate disease-fighting mechanisms within plants and protect against pathogens. β- Glucuronidase (GUS), green fluorescent protein (gfp), hygromycin B phosphotransferase (hygB), and producing genes are examples of exogenous markers that could be used to identify and track specific Trichoderma isolates in agro-ecosystems. More than sixty percent of the biofungicides now on the market are derived from Trichoderma species. These fungi protect plants from harmful plant diseases by developing resistance. Additionally, they can solubilize plant nutrients to boost plant growth and bioremediate environmental contaminants through mechanisms, including mycoparasitism and antibiosis. Enzymes produced by the genus Trichoderma are frequently used in industry. This review article intends to provide an overview update (from 1975 to 2022) of the Trichoderma biocontrol fungi, as well as information on key secondary metabolites, genes, and interactions with plant diseases. Full article
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