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Nod2Root SIGNED

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

Total Cost €

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EC-Contrib. €

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Partnership

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 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.

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

Project "Nod2Root" data sheet

The following table provides information about the project.

Coordinator
EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH 

Organization address
address: Raemistrasse 101
city: ZUERICH
postcode: 8092
website: https://www.ethz.ch/de.html

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 http://www.micro.biol.ethz.ch/research/vorholt/fischer.html
 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

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH CH (ZUERICH) coordinator 187˙419.00

Map

 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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