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Metabolic interactions in oceanic photosymbioses

Total Cost €


EC-Contrib. €






 MINOTAUR project word cloud

Explore the words cloud of the MINOTAUR project. It provides you a very rough idea of what is the project "MINOTAUR" about.

functioning    exceptional    bioinformatic    aquatic    symbioses    cultured    host    tof    skills    boundaries    eukaryotes    resolution    plankton    cell    primary    nutrients    explore    interdisciplinary    anthropogenic    oceanic    sims    pushes    isotope    back    expertise    cycling    ambition    facility    nature    ecologically    radiolarian    interactions    understand    symbiosis    model    visualize    cutting    diversity    microscopy    predation    merge    biogeochemistry    isotopes    nanosims    intact    pelagic    poorly    planktonic    techniques    holistic    biodiversity    phenomenon    cycles    quantify    personal    stable    subcellular    symbionts    contribution    imaging    heterotrophic    transcriptomes    free    metabolic    elemental    genes    symbiont    biogeochemical    organisms    microalgae    ecosystem    degree    original    radiolarians    biological    metabolism    composition    experimental    symbiotic    chemical    exchanging    single    view    ecosystems    physiology    unicellular    living    pressures    partnership    hosts    basis    isotopic    transfer    edge    assimilation    ecological    photosymbiosis    marine    players   

Project "MINOTAUR" data sheet

The following table provides information about the project.


Organization address
postcode: 4318

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 Germany [DE]
 Project website
 Total cost 171˙460 €
 EC max contribution 171˙460 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-01-01   to  2017-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Symbiosis between heterotrophic hosts and microalgae (photosymbiosis) is a widespread and ecologically important phenomenon in the oceanic plankton. Symbiotic organisms like radiolarians (unicellular eukaryotes) are key players in marine biogeochemical cycles by contributing to predation and primary production. While knowledge of the diversity of symbiotic partners has improved in recent years, metabolic interactions remain poorly understood. This project will explore the metabolic basis of planktonic photosymbiosis, with radiolarians as an ecologically relevant model, to understand the functioning of the partnership and its contribution to elemental cycling in the pelagic ecosystem. An original and cutting-edge single-cell approach involving stable isotopes and high-resolution chemical imaging techniques (e.g. ToF-SIMS and nanoSIMS) will be used to visualize the elemental and isotopic composition of intact radiolarian symbioses at the subcellular level, and to quantify the assimilation and transfer of nutrients between partners in different experimental conditions. The same approach will be applied on cultured free-living symbionts to determine the degree of host control over symbiont metabolism. In order to develop a holistic view of metabolic interactions, bioinformatic analyses will identify key metabolic genes and pathways from available transcriptomes of radiolarians. The exceptional microscopy facility and expertise in isotope biogeochemistry at the host institution is unique in Europe. Given the interdisciplinary nature of the project consortium, the potential for exchanging new knowledge and skills is very high. This project pushes back the boundaries of marine biological research and represents a significant step in my personal development towards my long-term research ambition to merge knowledge on biodiversity and physiology into ecological studies to better understand the functioning of aquatic ecosystems and their responses to anthropogenic pressures.

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The information about "MINOTAUR" are provided by the European Opendata Portal: CORDIS opendata.

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