Univ.-Prof. Dr. Matthias Horn
Matthias Horn
1 - 20 out of 138
Arthofer, P., Panhölzl, F., Delafont, V., Hay, A., Reipert, S., Cyran, N., Wienkoop, S., Willemsen, A., Sifaoui, I., Arberas-Jiménez, I., Schulz, F., Lorenzo-Morales, J., & Horn, M. (2024). A giant virus infecting the amoeboflagellate Naegleria. Nature Communications, 15(1), [3307]. https://doi.org/10.1038/s41467-024-47308-2


Maire, J., Collingro, A., Tandon, K., Parkville, T., Judd, L. M., Horn, M., Blackall, L. L., & van Oppen, M. J. H. (2024). Chlamydiae as symbionts of photosynthetic dinoflagellates. The ISME Journal, 18(1), [wrae139]. https://doi.org/10.1093/ismejo/wrae139


Greub, G., Pillonel, T., Bavoil, P. M., Borel, N., Campbell, L. A., Dean, D., Hefty, S., Horn, M., Morré, S. A., Ouellette, S. P., Pannekoek, Y., Puolakkainen, M., Timms, P., Valdivia, R., & Vanrompay, D. (2023). Use of gene sequences as type for naming prokaryotes: Recommendations of the international committee on the taxonomy of chlamydiae. New microbes and new infections, 54, [101158]. https://doi.org/10.1016/j.nmni.2023.101158



Maire, J., Tandon, K., Collingro, A., van de Meene, A., Damjanovic, K., Gotze, C. R., Stephenson, S., Philip, G. K., Horn, M., Cantin, N. E., Blackall, L. L., & van Oppen, M. J. H. (2023). Colocalization and potential interactions of Endozoicomonas and chlamydiae in microbial aggregates of the coral Pocillopora acuta. Science Advances, 9(20), [eadg0773]. https://doi.org/10.1126/sciadv.adg0773






Halter, T., Köstlbacher, S., Collingro, A., Susanne Sixt, B., Tönshoff, E. R., Hendrickx, F., Kostanjšek, R., & Horn, M. (2022). Ecology and evolution of chlamydial symbionts of arthropods. ISME Communications, 2, [45]. https://doi.org/10.1038/s43705-022-00124-5







1 - 20 out of 138

Invited Speaker: 5th Ringberg Symposium on Giant Virus Biology

Matthias Horn (Speaker)

7 Dec 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Invited Speaker: EDOP 2023

Matthias Horn (Speaker)

14 Jul 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Gastvortrag EMBO Symposium

Matthias Horn (Speaker)

8 Mar 202311 Mar 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Microbe-host interaction in amoeba

Matthias Horn (Invited speaker)

6 Dec 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


The environment as training ground – evolution of the intracellular lifestyle in amoebae

Matthias Horn (Invited speaker)

1 Oct 20183 Oct 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Wie Bakterien zu Krankheitserregern wurden

Matthias Horn (Speaker)

11 Jul 2018

Activity: Talks and presentationsTalk or oral contributionScience to Public


Chlamydiae in the environment - about the value of studying non-model organisms

Matthias Horn (Invited speaker)

6 Jun 20187 Jun 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Molecular mechanisms and evolution of the intracellular lifestyle: Insights from bacterial symbionts of amoebae

Matthias Horn (Invited speaker)

16 Mar 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Host-microbe interaction in amoeba - Illuminating molecular mechanisms and evolution

Matthias Horn (Invited speaker)

7 Feb 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Bacterial symbionts of amoebae – Molecular mechanisms and evolution of the intracellular life style

Matthias Horn (Invited speaker)

22 Sep 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Wie Bakterien zu Krankheitserregern wurden

Matthias Horn (Speaker)

19 Jul 2017

Activity: Talks and presentationsTalk or oral contributionScience to Public


Chlamydiae in the environment - changing our perspective on the C in the PVC superphylum

Matthias Horn (Keynote speaker)

11 May 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Intricate affairs - Bacterial symbionts of amoebae

Matthias Horn (Invited speaker)

4 Apr 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


The bi-partite metabolism of chlamydiae

Matthias Horn (Invited speaker)

18 Jun 2016

Activity: Talks and presentationsTalk or oral contributionOther


Genome evolution in the Chlamydiae – ubiquitous intracellular symbionts and pathogens

Matthias Horn (Invited speaker)

23 Mar 2016

Activity: Talks and presentationsTalk or oral contributionOther


A phylogenomics perspective on the evolution of intracellular life.

Matthias Horn (Invited speaker)

25 Jan 2016

Activity: Talks and presentationsTalk or oral contributionOther


A brief history of the evolution of intracellular life

Matthias Horn (Invited speaker)

3 Dec 2015

Activity: Talks and presentationsTalk or oral contributionOther


A new perspective on Chlamydiae: Biology, ecology, and evolution of a unique group of intracellular bacteria

Matthias Horn (Invited speaker)

23 Jul 2015

Activity: Talks and presentationsTalk or oral contributionOther


Breaking good - bacterial symbionts of amoebae

Matthias Horn (Invited speaker)

21 Jun 201526 Jun 2015

Activity: Talks and presentationsTalk or oral contributionOther


Breaking good - bacterial symbionts of amoebae

Matthias Horn (Invited speaker)

7 Nov 2014

Activity: Talks and presentationsTalk or oral contributionOther


The diversity of intracellular life - Bacterial symbionts of amoebe

Matthias Horn (Invited speaker)

26 Aug 2014

Activity: Talks and presentationsTalk or oral contributionOther


The metabolism of host-free chlamydiae

Matthias Horn (Invited speaker)

9 Apr 2014

Activity: Talks and presentationsTalk or oral contributionOther


Metabolic features of Protochlamydia amoebophila elementary bodies - a link between activity and infectivity

Matthias Horn (Invited speaker)

25 Jul 2013

Activity: Talks and presentationsTalk or oral contributionOther


The Chlamydiae: Diverse and highly specialized members of the PVC superphylum

Matthias Horn (Speaker)

1 Mar 2013

Activity: Talks and presentationsTalk or oral contributionOther


Training pays off: Amoebae and the evolution of human pathogens

Matthias Horn (Invited speaker)

16 Nov 2012

Activity: Talks and presentationsTalk or oral contributionOther


Candidatus Cardinium hertigii - a reproductive manipulator with a role in host nutrition

Matthias Horn (Invited speaker)

12 Jun 2012

Activity: Talks and presentationsTalk or oral contributionOther


The many faces of the Chlamydiae: from symbionts of amoebae to veterinary and human pathogens.

Matthias Horn (Invited speaker)

3 Jul 2011

Activity: Talks and presentationsTalk or oral contributionOther


Looking into the black box: Functional single cell analysis of uncultured microbes.

Matthias Horn (Invited speaker)

25 May 2011

Activity: Talks and presentationsTalk or oral contributionOther


Recent developments in the functional in situ analysis of uncultured microbes

Matthias Horn (Invited speaker)

20 Jun 2010

Activity: Talks and presentationsTalk or oral contributionOther


Amoeba as evolutionary playground for intracellular bacteria - insights from comparative genomics.

Matthias Horn (Invited speaker)

20 Jan 2010

Activity: Talks and presentationsTalk or oral contributionOther


The evolution of host cell interaction in the phylum Chlamydiae. : The evolution of host cell interaction in the phylum Chlamydiae.

Matthias Horn (Invited speaker)

19 Jul 2009

Activity: Talks and presentationsTalk or oral contributionOther



Protozoa as evolutionary playground for intracellular bacteria

Matthias Horn (Invited speaker)

5 Aug 2008

Activity: Talks and presentationsTalk or oral contributionOther



Ancient invaders - how chlamydiae have learned to infect humans.

Matthias Horn (Invited speaker)

29 Nov 2007

Activity: Talks and presentationsTalk or oral contributionOther


Protozoa as evolutionary playground for intracellular bacteria - the case of the Chlamydiae

Matthias Horn (Invited speaker)

11 Sep 2007

Activity: Talks and presentationsTalk or oral contributionOther


Ancient invaders - chlamydial symbionts of amoebae.

Matthias Horn (Invited speaker)

5 Jun 2007

Activity: Talks and presentationsTalk or oral contributionOther


News from the past: chlamydial symbionts of amoebae

Matthias Horn (Invited speaker)

16 Apr 2007

Activity: Talks and presentationsTalk or oral contributionOther


The Chlamydiae and their eukaryotic hosts: about the evolution of symbiosis and pathogenicity.

Matthias Horn (Invited speaker)

8 Dec 2006

Activity: Talks and presentationsTalk or oral contributionOther


News from the past: chlamydial symbionts of amoebae

Matthias Horn (Invited speaker)

4 Sep 2006

Activity: Talks and presentationsTalk or oral contributionOther


Ancient invaders: chlamydial symbionts of amoebae

Matthias Horn (Invited speaker)

24 Aug 2006

Activity: Talks and presentationsTalk or oral contributionOther


The Chlamydiae and their eukaryotic hosts: about the evolution of symbiosis and pathogenicity.

Matthias Horn (Invited speaker)

10 Aug 2006

Activity: Talks and presentationsTalk or oral contributionOther


Bridging environmental and medical microbiology: chlamydial symbionts of amoebae

Matthias Horn (Invited speaker)

26 Jun 2006

Activity: Talks and presentationsTalk or oral contributionOther


An unexpected Symbiosis - chlamydial symbionts of free-living amoebae

Matthias Horn (Invited speaker)

16 Jun 2006

Activity: Talks and presentationsTalk or oral contributionOther


Lessons from living microbial fossils: environmental chlamydiae and the evolution of pathogenicity.

Matthias Horn (Invited speaker)

22 Mar 2006

Activity: Talks and presentationsTalk or oral contributionOther


Bacterial endosymbionts of free-living amoebae

Matthias Horn (Invited speaker)

12 Dec 2005

Activity: Talks and presentationsTalk or oral contributionOther


Lebende mikrobielle Fossilien - wie Bakterien gelernt haben, den Menschen zu infizieren.

Matthias Horn (Invited speaker)

15 Jun 2005

Activity: Talks and presentationsTalk or oral contributionOther


Bridging environmental and medical microbiology - bacterial symbionts of free-living amoebae.

Matthias Horn (Invited speaker)

22 Nov 2004

Activity: Talks and presentationsTalk or oral contributionOther


Genome sequence of an amoeba symbiont and its use for reconstructing the evolutionary history of chlamydiae.

Matthias Horn (Invited speaker)

14 Sep 2004

Activity: Talks and presentationsTalk or oral contributionOther


Environmental chlamydiae - diversity, medical relevance and genomics

Matthias Horn (Invited speaker)

1 Sep 2004

Activity: Talks and presentationsTalk or oral contributionOther


The interaction between free-living amoebae and their chlamydia-related symbionts

Matthias Horn (Invited speaker)

5 Jun 2004

Activity: Talks and presentationsTalk or oral contributionOther


Endosymbioten frei lebender Amöben

Matthias Horn (Invited speaker)

4 Mar 2004

Activity: Talks and presentationsTalk or oral contributionOther


Reconstructing evolutionary history of chlamydiae by genome analysis of a chlamydia-related symbiont of amoebae.

Matthias Horn (Invited speaker)

18 Feb 2004

Activity: Talks and presentationsTalk or oral contributionOther


Giant viruses in the wild

Horn, M., Willemsen, A., Schulz, F., Pilhofer, M. & Arthofer, P.

1/06/2431/05/28

Project: Research funding


Host range and genome adaptation of giant viruses

Horn, M. & Willemsen, A.

1/04/2130/06/23

Project: Research funding





SymPathInfect

Horn, M., Daims, H., Urbanic, B. & Holzleitner, N.

1/10/1524/09/18

Project: Research funding


MUCDIFF

Berry, D., Horn, M., Urbanic, B. & Holzleitner, N.

1/09/1531/08/17

Project: Research funding




DOE UNC Imaging Platform

Berry, D., Horn, M., Urbanic, B. & Holzleitner, N.

1/07/1530/06/19

Project: Research funding


DiazoAssocRice

Wöbken, D., Horn, M., Urbanic, B. & Holzleitner, N.

1/08/1430/09/16

Project: Research funding


Eukaryotische Gene

Horn, M., Daims, H., Holzleitner, N. & Urbanic, B.

27/12/1331/12/17

Project: Research funding


ubiquitären Acidobact.

Wöbken, D., Horn, M., Eichorst, S., Holzleitner, N. & Urbanic, B.

4/10/1330/06/19

Project: Research funding


Funkt.Analyse v.Stickstoff-Fix

Wöbken, D., Horn, M., Wagner, M., Holzleitner, N., Urbanic, B. & Eichorst, S.

11/03/1331/12/17

Project: Research funding


DW_FDTP_UVA

Wagner, M., Horn, M., Baumgartner, I. & Wöbken, D.

1/08/1231/07/16

Project: Research funding


NITRICARE : Nitrification Reloaded - a Single Cell Approach

Wagner, M., Horn, M. & Baumgartner, I.

1/05/1230/04/17

Project: Research funding



Nitrotoga-ähnliche NOB

Lücker, S., Horn, M. & Wagner, M.

11/10/1110/10/13

Project: Research funding


Amöben:Vehikel f.Bakterien

Horn, M. & Daims, H.

3/05/1130/11/15

Project: Research funding


Symbionten d.Schmierläuse

Horn, M. & Daims, H.

10/05/109/05/13

Project: Research funding


Department of Inorganic Chemistry

Währinger Straße 42
1090 Wien

T: +43-1-4277-91208

matthias.horn@univie.ac.at