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ReArrhenius: Re-evaluation of temperature correction in microbial biodegradation kinetics.

Total cost: EUR 267 147

EU contribution: EUR 267 147

Topic(s):

MSCA-IF-2014-GF - Marie Sklodowska-Curie Individual Fellowships (IF-GF)

Funded under :

H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility

Objective: The main objective of this project is to evaluate the validity of using temperature correction factors (e.g. Q10) to predict the rates of micropollutant biodegradation in natural communities. The Q10 correction factor is based on the Arrhenius equation, which gives degradation kinetic rate constants as a function of temperature, and it is widely adopted in modelling (such as numerical fate models) in environmental exposure assessments. Despite its popularity, the Q10 approach is still the object of great debate among scientists, as the Arrhenius relationship holds over a very small temperature range for biological systems, in which microorganisms can function, and it is based on the assumption of compositional and functional ubiquity of the microbial communities. However, a change in temperature does not only impact chemical kinetic rates, but also determines shift and adaptation of the microbial population towards degraders that survive and perform better at the altered temperature. This project will adopt a multidisciplinary approach where biotransformation assays, kinetic modelling and high-throughput microbiological assays will be integrated to provide a thorough understanding of temperature dependence of micropollutant biotransformation kinetics in aerobic biological systems, taking into account the strong relationship between taxon traits and the environment.

Coordinator

UNIVERSITY OF NEWCASTLE UPON TYNE

United Kingdom

EU contribution: EUR 267 147

Project completion date : 2019-03-31 12:00:00

Major organization : UNIVERSITY OF NEWCASTLE UPON TYNE

Address : Kings Gate

NE1 7RU Newcastle Upon Tyne

Country :United Kingdom

Url : http://www.ncl.ac.uk/

Financier : EUROPEAN UNION (EU),

Financier address : European Union (EU)

Rue de la Loi 200/Wetstraat 200,

B-1049 Bruxelles/Brussels,

Belgium

Tel: 32-2-2999696, 2993085

Fax: 32-2-2961749

Url: ec.europa.eu/

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Publication:Mena Report
Date:Jun 4, 2016
Words:316
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