PMID- 18623226 OWN - NLM STAT- MEDLINE DCOM- 20080916 LR - 20131121 IS - 1097-0290 (Electronic) IS - 0006-3592 (Linking) VI - 101 IP - 2 DP - 2008 Oct 1 TI - Temperature effects on the aerobic metabolism of glycogen-accumulating organisms. PG - 295-306 LID - 10.1002/bit.21892 [doi] AB - Short-term temperature effects on the aerobic metabolism of glycogen-accumulating organisms (GAO) were investigated within a temperature range from 10 to 40 degrees C. Candidatus Competibacter Phosphatis, known GAO, were the dominant microorganisms in the enriched culture comprising 93 +/- 1% of total bacterial population as indicated by fluorescence in situ hybridization (FISH) analysis. Between 10 and 30 degrees C, the aerobic stoichiometry of GAO was insensitive to temperature changes. Around 30 degrees C, the optimal temperature for most of the aerobic kinetic rates was found. At temperatures higher than 30 degrees C, a decrease on the aerobic stoichiometric yields combined with an increase on the aerobic maintenance requirements were observed. An optimal overall temperature for both anaerobic and aerobic metabolisms of GAO appears to be found around 30 degrees C. Furthermore, within a temperature range (10-30 degrees C) that covers the operating temperature range of most of domestic wastewater treatment systems, GAOs aerobic kinetic rates exhibited a medium degree of dependency on temperature (theta = 1.046-1.090) comparable to that of phosphorus accumulating organisms (PAO). We conclude that GAO do not have metabolic advantages over PAO concerning the effects of temperature on their aerobic metabolism, and competitive advantages are due to anaerobic processes. FAU - Lopez-Vazquez, Carlos M AU - Lopez-Vazquez CM AD - Department of Environmental Resources, UNESCO-IHE Institute for Water Education, Delft, The Netherlands. FAU - Song, Young-Il AU - Song YI FAU - Hooijmans, Christine M AU - Hooijmans CM FAU - Brdjanovic, Damir AU - Brdjanovic D FAU - Moussa, Moustafa S AU - Moussa MS FAU - Gijzen, Huub J AU - Gijzen HJ FAU - van Loosdrecht, Mark C M AU - van Loosdrecht MC LA - eng PT - Journal Article PL - United States TA - Biotechnol Bioeng JT - Biotechnology and bioengineering JID - 7502021 RN - 0 (Culture Media) RN - 0 (Polyhydroxyalkanoates) RN - 0 (Sewage) RN - 27YLU75U4W (Phosphorus) RN - 8L70Q75FXE (Adenosine Triphosphate) RN - 9005-79-2 (Glycogen) SB - IM MH - Adenosine Triphosphate/metabolism MH - Aerobiosis MH - Bacteria/*metabolism MH - Biodegradation, Environmental MH - Bioreactors/microbiology MH - Culture Media MH - Glycogen/*metabolism MH - Kinetics MH - *Oxygen Consumption MH - Phosphorus/metabolism MH - Polyhydroxyalkanoates/metabolism MH - Sewage/microbiology MH - *Temperature MH - Waste Disposal, Fluid EDAT- 2008/07/16 09:00 MHDA- 2008/09/17 09:00 CRDT- 2008/07/16 09:00 PHST- 2008/07/16 09:00 [pubmed] PHST- 2008/09/17 09:00 [medline] PHST- 2008/07/16 09:00 [entrez] AID - 10.1002/bit.21892 [doi] PST - ppublish SO - Biotechnol Bioeng. 2008 Oct 1;101(2):295-306. doi: 10.1002/bit.21892.