SYNERGY

Do Synechococcus regulatory networks underpin marine ecological distinctness?

 Coordinatore THE UNIVERSITY OF WARWICK 

 Organization address address: Kirby Corner Road - University House -
city: COVENTRY
postcode: CV4 8UW

contact info
Titolo: Prof.
Nome: David John
Cognome: Scanlan
Email: send email
Telefono: +44 2476528363
Fax: +44 2476523701

 Nazionalità Coordinatore United Kingdom [UK]
 Totale costo 209˙592 €
 EC contributo 209˙592 €
 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-2010-IEF
 Funding Scheme MC-IEF
 Anno di inizio 2011
 Periodo (anno-mese-giorno) 2011-10-03   -   2013-10-02

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    THE UNIVERSITY OF WARWICK

 Organization address address: Kirby Corner Road - University House -
city: COVENTRY
postcode: CV4 8UW

contact info
Titolo: Prof.
Nome: David John
Cognome: Scanlan
Email: send email
Telefono: +44 2476528363
Fax: +44 2476523701

UK (COVENTRY) coordinator 209˙592.80

Mappa


 Word cloud

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

fe    waters    oceans    constraints    oceanic    genus    occupying    regulon    differences    primary    regulatory    niches    structure    world    organisms    ocean    molecular    community    opportunists    ecological    synechococcus    specialist    ecosystems    lineages   

 Obiettivo del progetto (Objective)

'Cyanobacteria of the genus Synechococcus have a ubiquitous distribution in oceanic waters and are responsible for around a quarter of the primary production. The genus is genetically diverse, with at least ten phylogenetically distinct lineages or clades. The in situ community structure of these organisms is complex, with the specific lineages occupying different niches to populate the world’s oceans. Whilst such molecular ecological studies are effectively mapping the spatial distributions of specific genotypes, but the factors that dictate this global community structure, and the relationship between niche and genetic potential, are still poorly defined. This is important because changes in dominant picocyanobacterial lineages indicate major domain shifts in planktonic ecosystems, allowing us to assess changes in the rates of biogeochemical cycles. We propose here to undertake a molecular approach to assess specifically how regulation of specific gene sets defines the ecological ‘distinctness’ of these lineages. We propose to focus on the key nutrient regulon of iron (Fe) since this limiting element for primary production in many oceanic environments varies both spatially and temporally with obvious ‘differences’ in more stable oligotrophic open ocean systems compared to more unstable coastal waters. Hence, there is strong reasoning to expect that differences in regulatory capacity exist between lineages occupying contrasting niches, and that such regulatory ‘constraints’, or indeed lack of constraints, facilitate occupation of specific niches (specialists) or overlapping niches (opportunists). Thus, this project will be set out to obtain a comprehensive understanding of the Fe regulon facilitating its acquisition in organisms we consider to be either specialist oligotrophs, specialist mesotrophs or opportunists i.e. with differing lifestyles, which we hypothesise is key to their successful colonization of vast tracts of the world oceans.'

Introduzione (Teaser)

Researchers have studied the important ocean bacterium Synechococcus to better understand how it adapts to various ecosystems.

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