Joke Vandermaesen
Katholieke Universiteit Leuven
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Publication
Featured researches published by Joke Vandermaesen.
FEMS Microbiology Ecology | 2017
Benjamin Horemans; Joke Vandermaesen; Aswini Sekhar; Caroline Rombouts; Johan Hofkens; Lynn Vanhaecke; Dirk Springael
ABSTRACT Aminobacter sp. MSH1 is of interest for bioaugmentation of biofiltration units in drinking water treatment plants (DWTPs) due to its ability to degrade the groundwater micropollutant 2,6‐dichlorobenzamide (BAM). Using a continuous flow chamber biofilm model, MSH1 was previously shown to colonize surfaces and degrade BAM at trace concentrations as low as 1 &mgr;g/L under the oligotrophic conditions found in DWTPs. In DWTP filtration units, MSH1 has to compete with the resident biofilm microbiota for space and nutrients. Using the same model, we examined how a sand filter community (SFC) affects MSH1s BAM‐degrading activity and biofilm formation under C‐ and N‐limiting conditions when fed with trace concentrations of BAM. MSH1 was inoculated simultaneously with the SFC (co‐colonization mode) or after the SFC formed a biofilm (invasion mode). MSH1 successfully established in the SFC biofilm showing growth and activity. In co‐colonization mode, MSH1 decreased in number in the presence of the SFC and formed isolated colonies, while specific BAM‐degradation activity increased. In the invasion mode, MSH1 also decreased in numbers in the presence of the SFC but formed mixed colonies, while specific BAM degradation was unaffected. Our results show that MSH1 invades and performs successfully in an SFC biofilm under the oligotrophic conditions of DWTPs. &NA; Graphical Abstract Figure. Growth and BAM‐degrading activity of Aminobacter sp. MSH1 invading a microbial community from a drinking water biofilter unit was studied at micropollutant BAM concentrations in C‐limiting conditions.
The microbial continuity across changing ecosystems | 2015
Joke Vandermaesen; Aisling J. Daly; Jan M. Baetens; Bernard De Baets; Nico Boon; Dirk Springael
Archive | 2015
Joke Vandermaesen; Eddy Walravens; Julie Degryse; Jos Boonen; Dirk Springael
Proceedings of the 2nd European Symposium, 20-21 November 2013 | 2013
Joke Vandermaesen; Anneleen Deckers; Eddy Walravens; Dirk Springael
Abstract Book Third European Congress on Microbial Biofilms | 2013
Benjamin Horemans; Aswini Sekhar; Joke Vandermaesen; Dirk Springael
Abstract Book Third European Congress on Microbial Biofilms | 2013
Benjamin Horemans; Joke Vandermaesen; Philip Breugelmans; Erik Smolders; Dirk Springael
ISME14 | 2012
Benjamin Horemans; Joke Vandermaesen; Erik Smolders; Dirk Springael
Biofilms | 2012
Benjamin Horemans; Joke Vandermaesen; Erik Smolders; Dirk Springael
Proceedings on IWA Biofilm Conference 2011: Processes in Biofilms. | 2011
Benjamin Horemans; Joke Vandermaesen; Lynn Vanhaecke; Johan Hofkens; Erik Smolders; Dirk Springael
Proceedings on IWA Biofilm Conference 2011: Processes in Biofilms. | 2011
Benjamin Horemans; Joke Vandermaesen; Philip Breugelmans; Johan Hofkens; Erik Smolders; Dirk Springael