EVOLVINGNODULES

Molecular inventions underlying the evolution of the nitrogen-fixing root nodule symbiosis

 Coordinatore LUDWIG-MAXIMILIANS-UNIVERSITAET MUENCHEN 

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 Nazionalità Coordinatore Germany [DE]
 Totale costo 2˙494˙114 €
 EC contributo 2˙494˙114 €
 Programma FP7-IDEAS-ERC
Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call ERC-2013-ADG
 Funding Scheme ERC-AG
 Anno di inizio 2014
 Periodo (anno-mese-giorno) 2014-01-01   -   2018-12-31

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    LUDWIG-MAXIMILIANS-UNIVERSITAET MUENCHEN

 Organization address address: GESCHWISTER SCHOLL PLATZ 1
city: MUENCHEN
postcode: 80539

contact info
Titolo: Mr.
Nome: Steven
Cognome: Daskalov
Email: send email
Telefono: +49 89 2180 6941
Fax: +49 89 2180 2985

DE (MUENCHEN) hostInstitution 2˙494˙114.00
2    LUDWIG-MAXIMILIANS-UNIVERSITAET MUENCHEN

 Organization address address: GESCHWISTER SCHOLL PLATZ 1
city: MUENCHEN
postcode: 80539

contact info
Titolo: Prof.
Nome: Martin
Cognome: Parniske
Email: send email
Telefono: +49 89 2180 74700
Fax: +49 89 2180 74702

DE (MUENCHEN) hostInstitution 2˙494˙114.00

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

genetic    rosaceae    related    evolved    genera    symbiosis    nodules    host    independent    closely    switches    fertilizer    nitrogen    root    acquired    frankia    developmental    nodulation    nodulating    evolutionary   

 Obiettivo del progetto (Objective)

'Crop production worldwide is sustained through nitrogen fertilizer produced via the energy-demanding Haber-Bosch process. One group of closely related plants evolved to become independent of nitrogen from the soil by engaging in symbiosis with bacteria that convert atmospheric nitrogen to plant-usable ammonium and are hosted within specialized organs, the root nodules. Nodulation evolved several times independently but exclusively in four related orders, the Fabales, Fagales, Cucurbitales and Rosales (FaFaCuRo) based on a putative genetic predisposition to evolve root nodules acquired by a common ancestor of this clade. This project aims to identify the elusive genetic switches involved in the evolution of nodulation. It builds on the underlying idea that a succession of events co-opted preexisting developmental programs to be activated by symbiotic stimuli. We will systematically investigate and compare the prewired connections between signaling pathways and developmental modules present in non-nodulating and nodulating relatives, to identify components acquired by nodulators. The Rosaceae represent a particularly attractive family to test evolutionary hypotheses by transferring candidate switches from a nodulator into the genome of closely related sister genera to enable nitrogen fixing root nodule symbiosis. Most genera of the Rosaceae including economically valuable targets such as apple and strawberry are non-nodulating. A minority of Rosaceae form ancestral, lateral root related actinorhiza nodules with Frankia actinobacteria, which differs from the derived, more complex symbiosis of legumes with rhizobia. Frankia strains have a very broad host range and can fix nitrogen at ambient oxygen concentrations thus imposing minimal constraints on a host environment suitable for efficient symbiosis. Thus, by retracing small evolutionary steps within the Rosaceae we will take a huge leap towards nitrogen-fertilizer independent crops for sustainable agriculture.'

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