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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.

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

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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