Univ.-Prof. Dipl.-Biol. Dr. Holger Daims
Holger Daims


Ni, G., Leung, P. M., Daebeler, A., Guo, J., Hu, S., Cook, P., Nicol, G. W., Daims, H., & Greening, C. (2023). Nitrification in acidic and alkaline environments. Essays in biochemistry, 67(4), 753-768. https://doi.org/10.1042/EBC20220194

Zhang, Y., Liu, T., Li, M-M., Hua, Z-S., Evans, P., Qu, Y., Tan, S., Zheng, M., Lu, H., Jiao, J-Y., Lücker, S., Daims, H., Li, W-J., & Guo, J. (2023). Hot spring distribution and survival mechanisms of thermophilic comammox Nitrospira. The ISME Journal, 17(7), 993-1003. https://doi.org/10.1038/s41396-023-01409-w


Kop, L. F. M., Koch, H., Spieck, E., van Alen, T., Cremers, G., Daims, H., & Lücker, S. (2023). Complete Genome Sequence of Nitrospina watsonii 347, Isolated from the Black Sea. Microbiology resource announcements, 12(4), [e0007823]. https://doi.org/10.1128/mra.00078-23

De La Fuente, M. J., De la Iglesia, P., Farias, L., Glasner, B., Torres-Rojas, F., Muñoz, D., Daims, H., Lukumbuzya, M., & Vargas, I. T. (2022). Enhanced nitrogen and carbon removal in natural seawater by electrochemical enrichment in a bioelectrochemical reactor. Journal of Environmental Management, 323, [116294]. https://doi.org/10.1016/j.jenvman.2022.116294


Leung, P. M., Daebeler, A., Chiri, E., Hanchapola, I., Gillett, D. L., Schittenhelm, R. B., Daims, H., & Greening, C. (2022). A nitrite-oxidising bacterium constitutively consumes atmospheric hydrogen. The ISME Journal, 16(9), 2213-2219. https://doi.org/10.1038/s41396-022-01265-0

Jung, M-Y., Sedlacek, C. J., Kits, K. D., Mueller, A. J., Rhee, S-K., Hink, L., Nicol, G. W., Bayer, B., Lehtovirta-Morley, L., Wright, C., de la Torre, J. R., Herbold, C. W., Pjevac, P., Daims, H., & Wagner, M. (2022). Ammonia-oxidizing archaea possess a wide range of cellular ammonia affinities. ISME Journal, 16(1), 272-283. https://doi.org/10.1038/s41396-021-01064-z





Daebeler, A., Kitzinger, K., Koch, H., Herbold, C., Steinfeder, M., Schwarz, J., Zechmeister, T., Karst, S. M., Albertsen, M., Nielsen, P. H., Wagner, M., & Daims, H. (2020). Exploring the upper pH limits of nitrite oxidation: diversity, ecophysiology, and adaptive traits of haloalkalitolerant Nitrospira. ISME Journal, 14(12), 2967-2979. https://doi.org/10.1038/s41396-020-0724-1



Kitzinger, K., Marchant, H. K., Bristow, L. A., Herbold, C. W., Padilla, C. C., Kidane, A. T., Littmann, S., Daims, H., Pjevac, P., Stewart, F. J., Wagner, M., & Kuypers, M. M. M. (2020). Single cell analyses reveal contrasting life strategies of the two main nitrifiers in the ocean. Nature Communications, 11(1), [767]. https://doi.org/10.1038/s41467-020-14542-3



Gastvortrag: New Zealand Microbial Society Conference 2023

Holger Daims (Vortragende*r)

20 Nov. 2023

Aktivität: VorträgeVortragScience to Science


Gastvortrag - ICoN-8 Conference

Holger Daims (Vortragende*r)

29 Juli 20234 Aug. 2023

Aktivität: VorträgeVortragScience to Science


Gastvortrag: ICON 8, 2023

Petra Pjevac (Vortragende*r), Andrew Giguere (Vortragende*r), Daan Speth (Vortragende*r), Nicole Geerlings (Vortragende*r) & Holger Daims (Vortragende*r)

23 Juli 20233 Aug. 2023

Aktivität: VorträgeVortragScience to Science


Chemical imaging tools for studying in situ microbial physiology

Holger Daims (Vortragende*r)

9 Dez. 2022

Aktivität: VorträgeVortragScience to Science


Chemical imaging tools for studying in situ microbial physiology.

Holger Daims (Vortragende*r)

9 Dez. 2022

Aktivität: VorträgeVortragScience to Science


Gastvortrag: IWA 2022

Holger Daims (Vortragende*r)

25 Mai 2022

Aktivität: VorträgeVortragScience to Science


Gastvortrag: Rudjer Boskovic Institut

Holger Daims (Vortragende*r)

4 März 2022

Aktivität: VorträgeVortragScience to Science


Gastvortrag: JAMS 10th Annualr Symposium

Holger Daims (Vortragende*r)

23 Aug. 202124 Aug. 2021

Aktivität: VorträgeVortragScience to Science


Nitrification: A Bag Full of Surprises!

Anna Julia Mueller (Vortragende*r) & Holger Daims (Vortragende*r)

8 Okt. 2019

Aktivität: VorträgeVortragScience to Science


Stickstoff-Eliminierung in der Abwasserreinigung: Überraschungen aus der Mikrobiologie.

Holger Daims (Invited speaker)

4 Sep. 2019

Aktivität: VorträgeVortragScience to Science


Metabolic versatility, complete ammonia oxidizers, And more: A new perspective on the nitrifying microorganisms.

Holger Daims (Invited speaker)

9 Juli 2019

Aktivität: VorträgeVortragScience to Science



Metabolic versatility, complete ammonia oxidizers, and more: A new perspective on the nitrifying microorganisms

Holger Daims (Invited speaker)

5 Nov. 2018

Aktivität: VorträgeVortragScience to Science


Nitric oxide and nitrous oxide production by complete ammonia oxidizers (comammox)

Holger Daims (Vortragende*r)

19 Sep. 201821 Sep. 2018

Aktivität: VorträgeVortragScience to Science


Stickstoffkreisläufe in der Abwasserreinigung – neue und bewährte Wege

Holger Daims (Invited speaker)

27 Feb. 2018

Aktivität: VorträgeVortragScience to Science


Sleep, stress and the Black Queen: Microbial hidden activities and cooperation

Holger Daims (Invited speaker)

7 Sep. 2017

Aktivität: VorträgeVortragScience to Science


Complete nitrification by one organism: The discovery and characterization of comammox.

Holger Daims (Invited speaker)

12 Okt. 2016

Aktivität: VorträgeVortragAndere


Microcolony mini-metagenomics of active nitrifiers.

Holger Daims (Invited speaker)

11 Okt. 2016

Aktivität: VorträgeVortragAndere


Complete nitrification by one organism: The discovery and characterization of comammox.

Holger Daims (Invited speaker)

21 Aug. 201626 Aug. 2016

Aktivität: VorträgeVortragAndere



Complete nitrification by one organism: The discovery and characterization of comammox.

Holger Daims (Keynote speaker)

16 Juni 201620 Juni 2016

Aktivität: VorträgeVortragAndere


Repainting our picture of nitrite-oxidizing bacteria.

Holger Daims (Invited speaker)

14 Jan. 2016

Aktivität: VorträgeVortragAndere


Flexible friends or foes: Recent insights add fresh paint to our picture of nitrite-oxidizing bacteria

Holger Daims (Invited speaker)

28 Juni 20151 Juli 2015

Aktivität: VorträgeVortragAndere


Raman-based sorting of microbes with defined functional properties for single-cell genomics

Holger Daims (Invited speaker)

14 Juni 201518 Juni 2015

Aktivität: VorträgeVortragAndere


Cyanate: A novel substrate for nitrification by ammonia-oxidizing archaea and nitrite-oxidizing bacteria.

Holger Daims (Vortragende*r)

10 Sep. 201412 Sep. 2014

Aktivität: VorträgeVortragAndere


Tales of partnership and crime: Interactions of autotrophic and heterotrophic microorganisms.

Holger Daims (Invited speaker)

24 Aug. 201429 Aug. 2014

Aktivität: VorträgeVortragAndere


Surprising versatility and multiple roots: News on the ecophysiology and evolution of nitrite-oxidizing bacteria.

Holger Daims (Invited speaker)

17 Mai 201420 Mai 2014

Aktivität: VorträgeVortragAndere










Nitrification: Ammonia- and Nitrite-Oxidizing Bacteria

Holger Daims (Invited speaker)

23 Okt. 2012

Aktivität: VorträgeVortragAndere


Click chemistry: A new approach for single cell microbial ecology.

Holger Daims (Vortragende*r)

23 Aug. 2012

Aktivität: VorträgeVortragAndere


Microbial molecular ecology of nitrification.

Holger Daims (Invited speaker)

20 Juni 2012

Aktivität: VorträgeVortragAndere


Ecophysiology and evolution of nitrite-oxidizing bacteria: News on the Big Unknown of the N-cycle.

Holger Daims (Invited speaker)

26 März 201229 März 2012

Aktivität: VorträgeVortragAndere



Digital image analysis of microorganisms: From counting to stereology.

Holger Daims (Invited speaker)

14 Juni 201124 Juni 2011

Aktivität: VorträgeVortragAndere


Ecophysiology and genomics of key nitrite-oxidizing bacteria.

Holger Daims (Invited speaker)

18 Apr. 201120 Apr. 2011

Aktivität: VorträgeVortragAndere


Novel insights into the ecophysiology and evolution of nitrite-oxidizing bacteria.

Holger Daims (Invited speaker)

30 Nov. 2010

Aktivität: VorträgeVortragAndere


Metagenomics illuminate the ecophysiology and evolution of nitrite-oxidizing bacteria.

Holger Daims (Invited speaker)

8 Nov. 2010

Aktivität: VorträgeVortragAndere


Nitrification: Physiology, niche differentiation, and interactions of key players.

Holger Daims (Invited speaker)

5 Okt. 20108 Okt. 2010

Aktivität: VorträgeVortragAndere


Quantitative FISH and new variations of (F)ISH.

Holger Daims (Invited speaker)

22 Aug. 201027 Aug. 2010

Aktivität: VorträgeVortragAndere


Genomics and functional analyses of nitrite-oxidizing bacteria.

Holger Daims (Invited speaker)

26 Mai 2010

Aktivität: VorträgeVortragAndere


How to apply genomic info to predict the ecological role of nitrifiers.

Holger Daims (Invited speaker)

11 Apr. 201014 Apr. 2010

Aktivität: VorträgeVortragAndere


Ecophysiology and genomics of nitrifying microbes in natural and engineered systems.

Holger Daims (Invited speaker)

8 März 2010

Aktivität: VorträgeVortragAndere


Wastewater Treatment: A Useful Model System for Microbial Ecology.

Holger Daims (Invited speaker)

9 Dez. 200910 Dez. 2009

Aktivität: VorträgeVortragAndere


Single cell tools to investigate microbial physiology.

Holger Daims (Invited speaker)

15 Nov. 200919 Nov. 2009

Aktivität: VorträgeVortragAndere


Ecology and evolution of nitrite oxidizers: Insights from in situ tools and environmental genomics.

Holger Daims (Invited speaker)

7 Sep. 200910 Sep. 2009

Aktivität: VorträgeVortragAndere


In situ diversity and niche adaptations of nitrite-oxidizing bacteria.

Holger Daims (Invited speaker)

1 Juli 200910 Juli 2009

Aktivität: VorträgeVortragAndere





Environmental genomics illuminates the biology of key nitrite-oxidizing bacteria.

Holger Daims (Invited speaker)

17 Sep. 2008

Aktivität: VorträgeVortragAndere


Metagenomics of Nitrospira defluvii illuminates the biology of key nitrite-oxidizing bacteria.

Holger Daims (Vortragende*r)

14 Aug. 200826 Aug. 2008

Aktivität: VorträgeVortragAndere


Nitrification in biological wastewater treatment: Insights based on molecular approaches.

Holger Daims (Invited speaker)

31 März 2008

Aktivität: VorträgeVortragAndere



Structure-function analysis of microbial biofilms.

Holger Daims (Invited speaker)

20 Sep. 2007

Aktivität: VorträgeVortragAndere



Enigmatic uncultured bacteria in nature and biotechnology.

Holger Daims (Invited speaker)

25 Jan. 2007

Aktivität: VorträgeVortragAndere


Ecology and genomics of key nitrite oxidizers active in natural and engineered habitats.

Holger Daims (Invited speaker)

20 Aug. 200625 Aug. 2006

Aktivität: VorträgeVortragAndere


Genomics, ecophysiology and interactions of yet uncultured nitrifying bacteria.

Holger Daims (Invited speaker)

3 Juli 20066 Juli 2006

Aktivität: VorträgeVortragAndere


"Nitrification and Anammox" and "Environmental Genomics" (two talks).

Holger Daims (Invited speaker)

17 Mai 2006

Aktivität: VorträgeVortragAndere



Biodiversity and ecophysiology of N-cycle bacteria.

Holger Daims (Invited speaker)

9 März 200610 März 2006

Aktivität: VorträgeVortragAndere




Ecophysiology and genomics of nitrite-oxidizing bacteria important for wastewater treatment.

Holger Daims (Invited speaker)

21 Aug. 200524 Aug. 2005

Aktivität: VorträgeVortragAndere




Biodiversity and ecophysiology of Nitrospira-like bacteria.

Holger Daims (Invited speaker)

11 Jan. 2005

Aktivität: VorträgeVortragAndere


From 16S rRNA to environmental genomics: microbiology of Nitrospira-like bacteria.

Holger Daims (Invited speaker)

1 Nov. 2004

Aktivität: VorträgeVortragAndere


Ecophysiology and environmental genomics of yet uncultured nitrite-oxidizing bacteria.

Holger Daims (Vortragende*r)

22 Aug. 200427 Aug. 2004

Aktivität: VorträgeVortragAndere


Ecology and genomics of uncultured autotrophic nitrite-oxidizers and anaerobic ammonium oxidizers.

Holger Daims (Invited speaker)

1 Aug. 20046 Aug. 2004

Aktivität: VorträgeVortragAndere


Diversity, Ecophysiology, and Genomics of uncultured Nitrospira-like nitrite-oxidizing bacteria.

Holger Daims (Vortragende*r)

22 März 2004

Aktivität: VorträgeVortragAndere


Microbial Structure and Community Structure of Flocs.

Holger Daims (Invited speaker)

5 Sep. 2003

Aktivität: VorträgeVortragAndere





Yet unculturable bacteria as major players for nutrient removal in waste water treatment.

Holger Daims (Vortragende*r)

3 Sep. 20008 Sep. 2000

Aktivität: VorträgeVortragAndere


Nitrification in sequencing biofilm batch reactors: lessons from molecular approaches.

Holger Daims (Vortragende*r)

10 Juli 200012 Juli 2000

Aktivität: VorträgeVortragAndere


The biology of Nitrospira-like bacteria in wastewater treatment plants: from structure to function.

Holger Daims (Vortragende*r)

12 März 200016 März 2000

Aktivität: VorträgeVortragAndere



Nitrospira-like bacteria play a key role in nitrifying biofilms.

Holger Daims (Vortragende*r)

7 März 199910 März 1999

Aktivität: VorträgeVortragAndere


Institut für Analytische Chemie

Währinger Straße 38
1090 Wien

T: +43-1-4277-91204

holger.daims@univie.ac.at