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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.

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

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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