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Univ.-Prof. Dr. Matthias Horn

T: +43-1-4277-91208

matthias.horn@univie.ac.at

http://www.microbial-ecology.net/horn

Summer term 2024

300080 VO Symbiosis concepts and model systems (Part 2)

300131 VO Selected acpects of bacterial physiology

300347 SE Molecular Phylogeny and Evolution - Advanced Techniques in Molecular Microbiology, Microbial Ecology and Immunology

300366 SE Advances in Molecular Microbial Ecology and Evolution 2

301552 PP Advanced course in microbiology and genetics

301848 UE Scientific Practice in Molecular Microbiology, Ecology or Immunobiology

Winter term 2023

300125 VO Symbiosis - concepts and model systems (Part 1)

300286 UE Fluorescence in situ hybridization (FISH) - Identification of uncultured microorganisms

300387 SE+EX Field Trips in Microbiology

301366 SE Advances in Molecular Microbial Ecology and Evolution 1

301487 PS Proseminar Microbial Ecology

301849 UE Scientific Practice in Molecular Microbiology, Ecology or Immunobiology

Summer term 2023

300080 VO Symbiosis concepts and model systems (Part 2)

300131 VO Selected acpects of bacterial physiology

300347 SE Molecular Phylogeny and Evolution - Advanced Techniques in Molecular Microbiology, Microbial Ecology and Immunology

300366 SE Advances in Molecular Microbial Ecology and Evolution 2

301848 UE Scientific Practice in Molecular Microbiology, Ecology or Immunobiology

Schulz, F., Tyml, T., Pizzetti, I., Dykova, I., Fazi, S., Kostka, M., & Horn, M. (2015). Marine amoebae with cytoplasmic and perinuclear symbionts deeply branching in the Gammaproteobacteria. Scientific Reports, 5, [13381]. https://doi.org/10.1038/srep13381

Collingro, A., Kostanjšek, R., Toenshoff, E. R., Schulz, F., Schuster, L., Domann, D., & Horn, M. (2015). Draft Genome Sequence of "Candidatus Hepatoplasma crinochetorum" Ps, a Bacterial Symbiont in the Hepatopancreas of the Terrestrial Isopod Porcellio scaber. Genome Announcements, 3(4), [e00674-15]. https://doi.org/10.1128/genomeA.00674-15

Schulz, F., & Horn, M. (2015). Intranuclear bacteria: inside the cellular control center of eukaryotes. Trends in Cell Biology, 25(6), 339-346. https://doi.org/10.1016/j.tcb.2015.01.002

Aistleitner, K., Anrather, D., Schott, T., Klose, J., Bright, M., Ammerer, G., & Horn, M. (2015). Conserved features and major differences in the outer membrane protein composition of chlamydiae. Environmental Microbiology, 17(4), 1397-1413. https://doi.org/10.1111/1462-2920.12621

Sachse, K., Bavoil, P. M., Kaltenboeck, B., Stephens, R. S., Kuo, C-C., Rossello-Mora, R., & Horn, M. (2015). Emendation of the family Chlamydiaceae: Proposal of a single genus, Chlamydia, to include all currently recognized species. Systematic and Applied Microbiology, 38(2), 99-103. https://doi.org/10.1016/j.syapm.2014.12.004

Domman, D., Horn, M., Embley, T. M., & Williams, T. A. (2015). Plastid establishment did not require a chlamydial partner. Nature Communications, 6, [6421]. https://doi.org/10.1038/ncomms7421

Domman, D., Collingro, A., Lagkouvardos, I., Gehre, L., Weinmaier, T., Rattei, T., Subtil, A., & Horn, M. (2014). Massive Expansion of Ubiquitination-Related Gene Families within the Chlamydiae. Molecular Biology and Evolution, 31(11), 2890-2904. https://doi.org/10.1093/molbev/msu227

Lagkouvardos, I., Shen, J., & Horn, M. (2014). Improved axenization method reveals complexity of symbiotic associations between bacteria and acanthamoebae. Environmental Microbiology Reports, 6(4), 383-388. https://doi.org/10.1111/1758-2229.12162

Schulz, F., Lagkouvardos, I., Wascher, F., Aistleitner, K., Kostanjsek, R., & Horn, M. (2014). Life in an unusual intracellular niche: a bacterial symbiont infecting the nucleus of amoebae. The ISME Journal: multidisciplinary journal of microbial ecology, 8(8), 1634-1644. https://doi.org/10.1038/ismej.2014.5

Omsland, A., Sixt, B. S., Horn, M., & Hackstadt, T. (2014). Chlamydial metabolism revisited: interspecies metabolic variability and developmental stage-specific physiologic activities. FEMS Microbiology Reviews, 38(4), 779-801. https://doi.org/10.1111/1574-6976.12059

Toenshoff, E. R., Szabó, G., Gruber, D., & Horn, M. (2014). The pine bark adelgid Pineus strobi contains two novel bacteriocyte-associated gammaproteobacterial symbionts. Applied and Environmental Microbiology, 80(3), 878-885. https://doi.org/10.1128/AEM.03310-13

Lagkouvardos, I., Weinmaier, T., Lauro, F. M., Cavicchioli, R., Rattei, T., & Horn, M. (2014). Integrating metagenomic and amplicon databases to resolve the phylogenetic and ecological diversity of the Chlamydiae. The ISME Journal: multidisciplinary journal of microbial ecology, 8(1), 115-25. https://doi.org/10.1038/ismej.2013.142

Lagkouvardos, I., Jehl, M-A., Rattei, T., & Horn, M. (2014). Signature protein of the PVC superphylum. Applied and Environmental Microbiology, 80(2), 440-445. https://doi.org/10.1128/AEM.02655-13

Subtil, A., Collingro, A., & Horn, M. (2014). Tracing the primordial Chlamydiae: extinct parasites of plants? Trends in Plant Science, 19(1), 36-43. https://doi.org/10.1016/j.tplants.2013.10.005

Pilhofer, M., Aistleitner, K., Ladinsky, M. S., König, L., Horn, M., & Jensen, G. J. (2014). Architecture and host interface of environmental chlamydiae revealed by electron cryotomography. Environmental Microbiology, 16(2), 417-429. https://doi.org/10.1111/1462-2920.12299

Pilhofer, M., Aistleitner, K., Biboy, J., Gray, J., Kuru, E., Brun, Y., van Nieuwenhze, M., Vollmer, W., Horn, M., Jensen, G. J., & Hall, E. (2013). Discovery of chlamydial peptidoglycan reveals bacteria with murein sacculi but without FtsZ. Nature Communications, 4, [2856]. https://doi.org/10.1038/ncomms3856

Sixt, B. S., Kostanjšek, R., Mustedanagic, A., Toenshoff, E. R., & Horn, M. (2013). Developmental cycle and host interaction of Rhabdochlamydia porcellionis, an intracellular parasite of terrestrial isopods. Environmental Microbiology, 15(11), 2980-2993. https://doi.org/10.1111/1462-2920.12252

Sixt, B. S., Siegl, A., Mueller, C., Watzka, M., Wultsch, A., Tziotis, D., Montanaro, J., Richter, A., Schmitt-Kopplin, P., & Horn, M. (2013). Metabolic Features of Protochlamydia amoebophila Elementary Bodies - A Link between Activity and Infectivity in Chlamydiae. PLoS Pathogens, 9(8), e1003553. [1003553]. https://doi.org/10.1371/journal.ppat.1003553

Haferkamp, I., Penz, T., Geier, M., Ast, M., Mushak, T., Horn, M., & Schmitz-Esser, S. (2013). The endosymbiont Amoebophilus asiaticus encodes an S-adenosylmethionine carrier that compensates for its missing methylation cycle. Journal of Bacteriology, 195(14), 3183-3192. https://doi.org/10.1128/JB.00195-13

Mitchell, S. O., Steinum, T. M., Toenshoff, E. R., Kvellestad, A., Falk, K., Horn, M., & Colquhoun, D. J. (2013). 'Candidatus Branchiomonas cysticola' is a common agent of epitheliocysts in seawater-farmed Atlantic salmon Salmo salar in Norway and Ireland. Diseases of Aquatic Organisms, 103(1), 35-43. https://doi.org/10.3354/dao02563

Invited Speaker: 5th Ringberg Symposium on Giant Virus Biology

Matthias Horn (Speaker)

7 Dec 2023

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Invited Speaker: EDOP 2023

Matthias Horn (Speaker)

14 Jul 2023

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Gastvortrag EMBO Symposium

Matthias Horn (Speaker)

8 Mar 2023 → 11 Mar 2023

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Microbe-host interaction in amoeba

Matthias Horn (Invited speaker)

6 Dec 2018

Activity: Talks and presentations › Talk or oral contribution › Science to Science

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

Matthias Horn (Invited speaker)

1 Oct 2018 → 3 Oct 2018

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Wie Bakterien zu Krankheitserregern wurden

Matthias Horn (Speaker)

11 Jul 2018

Activity: Talks and presentations › Talk or oral contribution › Science to Public

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

Matthias Horn (Invited speaker)

6 Jun 2018 → 7 Jun 2018

Activity: Talks and presentations › Talk or oral contribution › Science 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 presentations › Talk or oral contribution › Science to Science

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

Matthias Horn (Invited speaker)

7 Feb 2018

Activity: Talks and presentations › Talk or oral contribution › Science 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 presentations › Talk or oral contribution › Science to Science

Wie Bakterien zu Krankheitserregern wurden

Matthias Horn (Speaker)

19 Jul 2017

Activity: Talks and presentations › Talk or oral contribution › Science 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 presentations › Talk or oral contribution › Science to Science

Intricate affairs - Bacterial symbionts of amoebae

Matthias Horn (Invited speaker)

4 Apr 2017

Activity: Talks and presentations › Talk or oral contribution › Science to Science