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Keeping nodules in check: Interplay of rhizobial and host factors controlling nodule morphogenesis and identity in legume plants.

Total Cost €


EC-Contrib. €






 Nod2Root project word cloud

Explore the words cloud of the Nod2Root project. It provides you a very rough idea of what is the project "Nod2Root" about.

stress    molecular    bacteria    bop    determinate    roots    genetics    combination    organogenesis    plant    gene    mutant    integrity    fixation    altogether    truncatula    metabolomics    coch    deep    light    tip    cells    soybean    transcriptomics    repressing    wp2    mechanisms    found    checkpoint    host    diazoefficiens    cellular    nodule    unravelled    legume    regulation    nodulation    conversion    fusions    specialized    maintained    hosts    wp3    biology    unravel    ectopic    sativum    economically    sigma    attempts    plants    root    organs    symbiotic    ecfg    reporter    mutants    delta    morphogenetic    legumes    decipher    nbcl    identity    nitrogen    combine    orthologs    takes    wp1    pointing    signalling    engineer    insights    origin    recognition    nodules    formed    elicited    place    model    rhizobial    medicago    networks    noot    cell    determinants    underlying    pisum    group    genes    lacking    interestingly    metabolites    former    persistence    rhizobia    metabolic    bradyrhizobium    ongoing   

Project "Nod2Root" data sheet

The following table provides information about the project.


Organization address
address: Raemistrasse 101
postcode: 8092

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Switzerland [CH]
 Project website
 Total cost 187˙419 €
 EC max contribution 187˙419 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-03-01   to  2019-02-28


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Symbiotic nitrogen fixation by rhizobia takes place in specialized organs of legume host plants, the root nodules. While rather deep molecular insights into plant-rhizobia recognition, early nodule organogenesis, regulation of nodulation and nitrogen fixation are available, much less is known about how nodule integrity is maintained and the origin of the underlying morphogenetic program. Recently, NOOT BOP COCH LIKE (NBCL) genes of Medicago truncatula and Pisum sativum were found to ensure nodule integrity by repressing ectopic root formation (applicant's former project). Interestingly, soybean nodules elicited by a Bradyrhizobium diazoefficiens mutant lacking the general stress response sigma factor σEcfG also formed ectopic roots (host's project), pointing to a bacteria-plant signalling system that is crucial for nodule persistence and integrity. Here, we propose to decipher the molecular determinants that maintain determinate nodule identity using the B. diazoefficiens – soybean model. We will combine plant molecular genetics, cell biology with transcriptomics and metabolomics to unravel cells, genes and metabolic networks that contribute to the checkpoint system ensuring nodule integrity. In work package 1 (WP1), the role of three soybean NBCL orthologs will be unravelled. In WP2, the nodule-to-root conversion characteristic for B. diazoefficiens ΔecfG mutants will be studied at the cellular level using root tip-specific reporter fusions. In WP3, a combination of metabolomics and transcriptomics will be applied to identify metabolites and gene networks involved in the nodule-to-root conversion elicited by ΔecfG and nbcl mutants. Altogether, results of this project will provide insight into determinants and mechanisms used by the economically important group of soybean plants to maintain the integrity of specialized, root-derived organs, an aspect that is relevant also in the light of ongoing attempts to engineer non-legumes into rhizobial hosts.

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The information about "NOD2ROOT" are provided by the European Opendata Portal: CORDIS opendata.

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