REAL TUNE

Role of enzymatic activity in lichen tolerance under nitrogen excess

 Coordinatore FUNDACAO DA FACULDADE DE CIENCIAS DA UNIVERSIDADE DE LISBOA 

 Organization address address: CAMPO GRANDE EDIFICIO C1 PISO 3
city: LISBOA
postcode: 1749016

contact info
Titolo: Dr.
Nome: Carla
Cognome: Marques
Email: send email
Telefono: +351217 500 448
Fax: +351 217 500 166

 Nazionalità Coordinatore Portugal [PT]
 Totale costo 151˙426 €
 EC contributo 151˙426 €
 Programma FP7-PEOPLE
Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call FP7-PEOPLE-2011-IEF
 Funding Scheme MC-IEF
 Anno di inizio 2012
 Periodo (anno-mese-giorno) 2012-04-01   -   2014-03-31

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    FUNDACAO DA FACULDADE DE CIENCIAS DA UNIVERSIDADE DE LISBOA

 Organization address address: CAMPO GRANDE EDIFICIO C1 PISO 3
city: LISBOA
postcode: 1749016

contact info
Titolo: Dr.
Nome: Carla
Cognome: Marques
Email: send email
Telefono: +351217 500 448
Fax: +351 217 500 166

PT (LISBOA) coordinator 151˙426.80

Mappa


 Word cloud

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

lichen    enzymatic    polyamines    reactive    lichens    tune    problem    metabolism    ecological    physiological    scientific       environment    tolerance    real   

 Obiettivo del progetto (Objective)

'Reactive forms of nitrogen (N) from anthropogenic sources led to a doubling of the available N pool worldwide, with harmful consequences for human health and the environment. The solution of the N problem can only comes from an integrated approach, both in relation to the assessment of the biogeochemical and ecological interactions, and in relations to emissions abatement strategies. In this challenge, Europe has a leadership position, as testified by the numerous scientific networks, working groups and activities on the topic. The project REAL TUNE aims at being part of this multidisciplinary approach to the complexity of the N problem. Lichens are among the most sensitive organisms to NH3 pollution at the ecosystem level. Several studies have investigated the relationships between lichens and N, but the current knowledge about the ecological variables influencing lichen physiology cannot explain lichen behaviour in nature completely. N tolerance resulted to be modulated by cation exchange capacity, interaction with the carbon metabolism and polyamines. Our working hypothesis is that enzymatic pathways of the primary and secondary metabolism are deeply involved in the processes that provide N tolerance. To check it, protein expression, enzymatic activity of GS/GOGAT and GDH, and the role of polyamines as a sink for ammonium will be examined in two lichen species with a markedly different N sensitivity. Moreover, physiological response to N and pH changes separately, the different role of the single bionts in N response, and the metabolic and physiological effects of long-term exposures to N in a Mediterranean environment will be analysed in order to answer some important questions on lichen symbiosis and ecology. Besides its scientific value, we think that REAL TUNE, linking physiological mechanisms and ecological impacts of increase availability of reactive N, can provide suitable tools for N management and environment protection.'

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