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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.

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

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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