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Journals
Microorganisms
Special Issues
Plant Growth Promoting Rhizobacteria and Biodegradation
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Special Issue "Plant Growth Promoting Rhizobacteria and Biodegradation"

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Plant Microbe Interactions".

Deadline for manuscript submissions: 31 December 2023 | Viewed by 889

Special Issue Editor

Dr. Murugesan Chandrasekaran

E-Mail Website
Guest Editor
Department of Food Science and Biotechnology, Sejong University, 209 Neungdong-ro, Seoul 05006, Republic of Korea
Interests: root-microbe interactions

Special Issue Information

Dear Colleagues,

Plant growth-promoting Rhizobacteria are microbes that reside in the rhizosphere and roots of plants and direct their developmental process and induce systemic resistance. Plants select beneficial bacteria and help in their colonization through the secretion of root exudates. There is a complex interkingdom signalling between the host and microbes for mutual interaction, which is also influenced by environmental factors. An exchange of chemical signals started between microbes and plants to establish a positive or inhibitory interaction. Molecular communication was built up by encompassing chemical signals from microbes to microbes, plants to microbes or microbes to plants which results in cellular response and altered gene expression. Root exudates contain low molecular weight primary metabolites, such as carbohydrates, amino acids, organic acids, and high molecular weight secondary metabolites, e.g. alkaloids, terpenoids, phenolics, mucilage, proteins and volatile organic compounds (VOCs). Many compounds of root exudates act as general chemoattractants, able to attract beneficial microbes and repel pathogens. The above-mentioned examples of signaling molecules, along with thousands of others, mediate a complex network of signaling in the rhizosphere that helps plants to flourish well and withstand stressful environments. Therefore, this Special Issue aims to collect research papers and reviews that promote this aspect of plant growth-promoting Rhizobacteria and biodegration process.

Dr. Murugesan Chandrasekaran
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. Microorganisms is an international peer-reviewed open access monthly 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 2700 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 microorganisms
  • rhizobacteria
  • biodegradation

Published Papers (1 paper)

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Review

36 pages, 2002 KiB  
Review
Investigation of the Persistence, Toxicological Effects, and Ecological Issues of S-Triazine Herbicides and Their Biodegradation Using Emerging Technologies: A Review
by
Sajjad Ahmad
,
Murugesan Chandrasekaran
and
Hafiz Waqas Ahmad
Microorganisms 2023, 11(10), 2558; https://doi.org/10.3390/microorganisms11102558 - 13 Oct 2023
Cited by 1 | Viewed by 612
Abstract
S-triazines are a group of herbicides that are extensively applied to control broadleaf weeds and grasses in agricultural production. They are mainly taken up through plant roots and are transformed by xylem tissues throughout the plant system. They are highly persistent and have [...] Read more.
S-triazines are a group of herbicides that are extensively applied to control broadleaf weeds and grasses in agricultural production. They are mainly taken up through plant roots and are transformed by xylem tissues throughout the plant system. They are highly persistent and have a long half-life in the environment. Due to imprudent use, their toxic residues have enormously increased in the last few years and are frequently detected in food commodities, which causes chronic diseases in humans and mammals. However, for the safety of the environment and the diversity of living organisms, the removal of s-triazine herbicides has received widespread attention. In this review, the degradation of s-triazine herbicides and their intermediates by indigenous microbial species, genes, enzymes, plants, and nanoparticles are systematically investigated. The hydrolytic degradation of substituents on the s-triazine ring is catalyzed by enzymes from the amidohydrolase superfamily and yields cyanuric acid as an intermediate. Cyanuric acid is further metabolized into ammonia and carbon dioxide. Microbial-free cells efficiently degrade s-triazine herbicides in laboratory as well as field trials. Additionally, the combinatorial approach of nanomaterials with indigenous microbes has vast potential and considered sustainable for removing toxic residues in the agroecosystem. Due to their smaller size and unique properties, they are equally distributed in sediments, soil, water bodies, and even small crevices. Finally, this paper highlights the implementation of bioinformatics and molecular tools, which provide a myriad of new methods to monitor the biodegradation of s-triazine herbicides and help to identify the diverse number of microbial communities that actively participate in the biodegradation process. Full article
(This article belongs to the Special Issue Plant Growth Promoting Rhizobacteria and Biodegradation)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Rhizosphere Microorganisms Supply Availability of Soil Nutrients and Induce plant defense
Author: Thepbandit
Highlights: - Nutrient Mobilization: Rhizosphere microorganisms can enhance the availability of certain nutrients by solubilizing minerals, fixing nitrogen, and facilitating the uptake of essential elements by plants. - Beneficial Microbes: Some rhizosphere microorganisms have been shown to induce plant defense mechanisms.

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