29-Modeling of soil nitrification responses to tem

29-Modeling of soil nitrification responses to temperature reveals thermodynamic differences between ammonia-oxidizing activity of archaea and bacteria.ORIGINALARTICLEModelingofsoilnitrificationresponsestotemperaturerevealsthermodynamicdifferencesbetweenammonia-oxidizingactivityofarchaeaandbacteriaAnneETaylor1,AndrewTGiguere1,ConorMZoebelein2,DavidDMyrold1andPeterJBottomley1,31DepartmentofCropandSoilScience,OregonStateUniversity,Corvallis,OR,USA;2DepartmentofEnvironmentalEngineering,OregonStateUniversity,Corvallis,OR,USAand3DepartmentofMicrobiology,OregonStateUniversity,Corvallis,OR,USASoilnitrificationpotential(NP)activitiesofammonia-oxidizingarchaeaandbacteria(AOAandAOB,respectively)wereevaluatedacrossatemperaturegradient(4–42°C)imposeduponeightsoilsfromfourdifferentsitesinOregonandmodeledwithboththemacromolecularratetheoryandthesquarerootgrowthmodelstoquantifythethermodynamicresponses.ThereweresignificantdifferencesinresponsebythedominantAOAandAOBcontributingtotheNPs.Theoptimaltempe