Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
5.2
3.7
Journals
Agronomy
Special Issues
Legume-Rhizobia Symbiosis: From Early Signaling to Nodule Functioning
share announcement

Legume-Rhizobia Symbiosis: From Early Signaling to Nodule Functioning

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Crop Breeding and Genetics".

Deadline for manuscript submissions: closed (20 April 2023) | Viewed by 3747

Special Issue Editor

Dr. Jesús Montiel

E-Mail Website
Guest Editor
Department of Functional Genomics of Eukaryotes, Centre for Genomic Sciences (UNAM), Cuernavaca, México
Interests: nodules; lotus; bean; inter/intracellular symbiosis

Special Issue Information

Dear Colleagues, 

The mutualistic association between legumes and rhizobia has been historically studied due to its relevant contribution to biological nitrogen fixation in ecosystems and crops. The symbiotic relationship that occurs in the rhizosphere requires a complex chemical dialogue between both partners for the development and functioning of the root nodule, where the atmospheric nitrogen is converted to ammonia by the bacteroids. This process is influenced by (a)biotic factors and requires complex molecular reprogramming by both symbionts to have a successful mutualistic interaction and promote legume growth. With the growing demand for food, coupled with the negative impacts on the environment due to the use of chemical fertilizers on crops, the understanding and use of the nitrogen-fixing symbiosis offer an alternative for sustainable agriculture.

This Special Issue addresses and welcomes relevant discoveries on the molecular components and responses recruited by legumes and rhizobial partners from the early signaling responses to nodule functioning.

Dr. Jesús Montiel
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. Agronomy 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 2600 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

  • root–nodule symbiosis
  • legumes
  • symbiotic signaling

Published Papers (2 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

16 pages, 10487 KiB  
Article
GmPBS1, a Hub Gene Interacting with Rhizobial Type-III Effectors NopT and NopP, Regulates Soybean Nodulation
by Dongdong Li, Zikun Zhu, Xiaomin Deng, Jianan Zou, Chao Ma, Candong Li, Tao Yin, Chunyan Liu, Jinhui Wang, Qingshan Chen and Dawei Xin
Agronomy 2023, 13(5), 1242; https://doi.org/10.3390/agronomy13051242 - 27 Apr 2023
Cited by 4 | Viewed by 1319
Abstract
Soybean is a legume crop rich in protein and oil. Symbiotic nitrogen fixation plays an important role in the growth of soybean. The type-III effectors such as NopT and NopP are the important signaling factors for the establishment of symbiosis in soybean. In [...] Read more.
Soybean is a legume crop rich in protein and oil. Symbiotic nitrogen fixation plays an important role in the growth of soybean. The type-III effectors such as NopT and NopP are the important signaling factors for the establishment of symbiosis in soybean. In this study, the analysis of nodulation in soybean after inoculation with HH103ΩNopT, HH103ΩNopP, and HH103ΩNopT&NopP indicated crosstalking between NopT and NopP. Further, we aimed to identify the genes of soybean involved in the pathway underlying the crosstalk between NopT and NopP using RNA-seq analysis. Five of the identified candidate genes were confirmed to be induced by NopT and NopP. The expression of GmPBS1 significantly increased to a much larger extent than that of the other four genes after soybean was inoculated with HH103ΩNopT, HH103ΩNopP, or HH103ΩNopT&NopP. The interaction between NopT and GmPBS1 was confirmed via bimolecular fluorescence complementation. Finally, nodulation analysis after GmPBS1 overexpression in the hairy roots indicate that GmPBS1 can regulate the negative effect of NopP on the nodulation, and this regulation is related to NopT. Collectively, our results suggested that during the nodulation in soybean, NopT and NopP have a crosstalking network and GmPBS1 is the hub gene. Full article
(This article belongs to the Special Issue Legume-Rhizobia Symbiosis: From Early Signaling to Nodule Functioning)
►▼ Show Figures

Figure 1

14 pages, 1707 KiB  
Article
Rhizobium tropici and Riboflavin Amendment Condition Arbuscular Mycorrhiza Colonization in Phaseolus vulgaris L.
by Jacob Banuelos, Esperanza Martínez-Romero, Noé Manuel Montaño and Sara Lucía Camargo-Ricalde
Agronomy 2023, 13(3), 876; https://doi.org/10.3390/agronomy13030876 - 16 Mar 2023
Cited by 1 | Viewed by 1894
Abstract
Phaseolus vulgaris L. (Fabaceae) forms symbioses with arbuscular mycorrhizal fungi (AMF) and nitrogen-fixing rhizobia (NFB). The tripartite relationship uses molecular singals to establish intracellular symbioses in roots. The goal of this study was to determine if Rhizobium tropici CIAT 899 and exogenous riboflavin [...] Read more.
Phaseolus vulgaris L. (Fabaceae) forms symbioses with arbuscular mycorrhizal fungi (AMF) and nitrogen-fixing rhizobia (NFB). The tripartite relationship uses molecular singals to establish intracellular symbioses in roots. The goal of this study was to determine if Rhizobium tropici CIAT 899 and exogenous riboflavin (vitamin B2) have an effect on AMF species selection and root colonization of P. vulgaris. Using SSU rRNA fragment amplification of DNA extracted from P. vulgaris roots, we found that the presence of R. tropici altered the relative distribution of AMF species. Dominikia bernensis (Ohel) was the most abundant AMF species in P. vulgaris roots but when R. tropici was co-inoculated, Glomus species dominated. Rhizobacteria such as R. tropici, secrete riboflavin and could affect AMF symbiosis. Addition of 50 μM riboflavin to P. vulgaris, increased plant growth (28%), dry nodule weight (18%), AMF colonization (248%) and mycorrhizal vesicle frequency (56%) in bean roots. 3.12 and 12.5 µM riboflavin favored the presence of Glomus macrocarpum in P. vulgaris roots. This work provides the basis to further study of rhizobial and mycorrhizal co-inoculation of Phaseolus vulgaris bean. Full article
(This article belongs to the Special Issue Legume-Rhizobia Symbiosis: From Early Signaling to Nodule Functioning)
►▼ Show Figures

Figure 1

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-2
Back to TopTop