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iNet

Unraveling interaction networks of ammonia- and nitrite-oxidizing microorganisms

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 iNet project word cloud

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

off    released    environment    gene    eutrophication    interactions    metabolites    shaping    aob    prime    nitrifying    fertilized    dynamics    isolate    metabolism    oxidizing    nitrous    feed    greenhouse    biological    ecosystems    structured    load    metabolic    performance    microbial    cycles    emission    mutualistic    gas    grown    donor    oxidized    interaction    electron    networks    first    patterns    functional    isolates    nature    bacteria    isolation    environments    true    assemblages    autotrophic    expand    contributes    nitrification    excess    feeding    blooms    converting    interplay    waters    prey    wastewater    initiates    run    obtain    reduce    physiological    contrast    soils    shape    ozone    depleting    analyze    algal    co    occurring    allies    techniques    removal    nitrate    oxide    separately    nob    ing    global    effect    analyzing    attack    interact    occurrence    treatment    ammonia    drive    biogeochemical    microbes    expression    productivity    individual    nitrogen    artificially    simplify    groups    cross    heterotrophic    nitrite    predator    cultures    mixed    uncultured    nitrifiers    stability    surface   

Project "iNet" data sheet

The following table provides information about the project.

Coordinator
STICHTING KATHOLIEKE UNIVERSITEIT 

Organization address
address: GEERT GROOTEPLEIN NOORD 9
city: NIJMEGEN
postcode: 6525 EZ
website: www.radboudumc.nl

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 Netherlands [NL]
 Total cost 175˙572 €
 EC max contribution 175˙572 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2020
 Duration (year-month-day) from 2020-02-01   to  2022-01-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    STICHTING KATHOLIEKE UNIVERSITEIT NL (NIJMEGEN) coordinator 175˙572.00

Map

 Project objective

Microbial interactions drive global biogeochemical cycles and shape functionality and productivity of ecosystems. Autotrophic nitrification is a prime example for a mutualistic interplay of two functional groups. In fertilized soils, nitrification contributes to emission of the ozone-depleting greenhouse gas nitrous oxide and nitrogen (N) run-off into surface waters, resulting in eutrophication and algal blooms. In contrast, in biological wastewater treatment it initiates the removal of excess N to reduce the N load into the environment. In their cross-feeding interaction, ammonia-oxidizing bacteria (AOB) provide the electron donor for their partner by converting ammonia to nitrite, which is further oxidized to nitrate by nitrite-oxidizing bacteria (NOB). In addition, nitrifiers also interact with heterotrophic bacteria that feed on metabolites released by nitrifiers or attack them in a predator-prey interaction. In this project, I aim to determine factors defining interaction networks of nitrifiers by analyzing the effect of this interplay on the metabolism of the individual allies and by identifying novel interaction partners of nitrifying microbes. I will analyze the metabolic aspects of this interplay in artificially mixed nitrifying assemblages to simplify the complex interaction networks occurring in nature. Using state-of-the-art isolation techniques, I will first isolate novel AOB and NOB cultures from the same environment to obtain true interaction partners. Physiological key features and gene expression patterns of separately grown and mixed cultures of these isolates will be compared to determine the nature and effects of interactions among nitrifiers. In addition, novel interaction partners of uncultured nitrifiers will be identified by analyzing co-occurrence patterns within spatially structured environments. Overall, this project will greatly expand our understanding of nitrification and the dynamics shaping its stability and process performance.

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

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