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Department of Microbiology
Modeling plant associated nitrogen cycling bacteria
Eric HesterQuantitative Laws Workshop– Flash TalkJune 2016
Twitter - @ericericL
Department of Microbiology
Organic Matter
Radial Oxygen Loss
O2
O2
NH4+ NO3
-
General rules of a plant-based / rhizosphere system… can the rhizoshere composition be predicted?
Department of Microbiology
Does the abundance of a species group respond to different environmental parameters (i.e., NO3
- or NH4+) ?
Figure from: Falk et al., 2010 Systematic and Applied Microbiology
(i.e., pH, NH4+, NO3-)
Department of Microbiology
Link environment, community composition and function
Community 1
Community 1’ N2 flux = 15 uMol s-1
N2 flux = 10 uMol s-1
pH’
pH
Environmental controls on community
structureOutput of community
∆pH ∆community ∆N2
Department of Microbiology
Acknowledgements Dr. Sarah Faye HarpenslagerProf. Leon L Lamers
Prof. Mike JettenDr. Cornelia WelteDr. Claudia Lueke
ru.nl/microbiology
Department of Microbiology
Modeling plant associated nitrogen cycling bacteria
Eric HesterQuantitative Laws Workshop– Flash TalkJune 2016
Twitter - @ericericL