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Role of Synthetic Communities (SYNCOM) in Shaping the Soil and...
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Role of Synthetic Communities (SYNCOM) in Shaping the Soil and Plant Microbiome

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant–Soil Interactions".

Deadline for manuscript submissions: 1 August 2024 | Viewed by 983

Special Issue Editor

Dr. Harsh Bais

E-Mail Website
Guest Editor
Department of Plant and Soil Sciences, University of Delaware, Newark, DE, USA
Interests: plant–microbe interactions; roots; rhizosphere; biotic stress; plant-growth-promoting bacteria; mycorrhiza; omics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recent studies have revealed that plant-associated microbiomes and specifically the rhizospheric microbiome should be considered as an extended genome for plants. Studies have shown that delinking the rhizospheric microbiome from plants may lead to a decrease in plant health and fitness. The utilization of benign microbes as biofertilizers and bio-fungicides has become an attractive agricultural commodity. Beneficial microbes (mainly bacteria) have been tried as lone or in consortium (SYNCOM) to elevate the plant yield and protection. However, the application of SYNCOM on soil and plants may reflect different effects on the resident microbiome. The information pertaining to how SYNCOM application changes the diversity of soil and plant microbiomes is still not known. It is important to elucidate how those SYNCOM influence the assembly of the rhizosphere microbiome and what effects those changes can result in on plant development, growth, and fitness. This Special Issue highlights research works that emphasize the role of SYNCOM in modulating and shaping the soil and plant microbiome.

Dr. Harsh Bais
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. Plants 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 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-associated microbiome
  • rhizospheric microbiome
  • soil and plant microbiome
  • synthetic communities (SYNCOM)

Published Papers (1 paper)

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Research

18 pages, 3908 KiB  
Article
Rhizosphere Ventilation Effects on Root Development and Bacterial Diversity of Peanut in Compacted Soil
by Haiyan Liang, Liyu Yang, Xinhua He, Qi Wu, Dianxu Chen, Miao Liu and Pu Shen
Plants 2024, 13(6), 790; https://doi.org/10.3390/plants13060790 - 11 Mar 2024
Viewed by 582
Abstract
Soil compaction is one of the crucial factors that restrains the root respiration, energy metabolism and growth of peanut (Arachis hypogaea L.) due to hypoxia, which can be alleviated by ventilation. We therefore carried out a pot experiment with three treatments: no [...] Read more.
Soil compaction is one of the crucial factors that restrains the root respiration, energy metabolism and growth of peanut (Arachis hypogaea L.) due to hypoxia, which can be alleviated by ventilation. We therefore carried out a pot experiment with three treatments: no ventilation control (CK), (2) ventilation volumes at 1.2 (T1), and 1.5 (T2) times of the standard ventilation volume (2.02 L/pot). Compared to no-ventilation in compacted soil, ventilation T1 significantly increased total root length, root surface area, root volume and tips at the peanut anthesis stage (62 days after sowing), while T2 showed a negative impact on the above-mentioned root morphological characteristics. At the podding stage (S2, 95 days after sowing), both ventilation treatments improved root morphology, especially under T1. Compared to CK, both ventilation T1 and T2 decreased the activities of enzymes involving the anaerobic respiration, including root lactate dehydrogenase, pyruvate decarboxylase and alcohol dehydrogenase. The activities of antioxidant enzymes of root superoxide dismutase, peroxidase and catalase also decreased at S1, while superoxide dismutase and peroxidase significantly increased under T1 at S2. The ventilation of compacted soil changed soil nitrogen-fixing bacterial communities, with highest bacterial alpha diversity indices under T1. The Pearson correlation analyses indicated a positive relationship between the relative abundance of Bradyrhizobiaceae and root activity, and between unclassified_family of Rhizobiales and the root surface area, while Enterobacteriaceae had a negative impact on the root nodule number. The Pearson correlation test showed that the root surface, tips and activity positively correlated with root superoxide dismutase and peroxidase activities. These results demonstrate that soil ventilation could enhance plant root growth, the diversity and function of soil nitrogen-fixing bacterial communities. The generated results from this present study could serve as important evidence in alleviating soil hypoxia caused by compaction. Full article
(This article belongs to the Special Issue Role of Synthetic Communities (SYNCOM) in Shaping the Soil and Plant Microbiome)
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