Matthias Horn

24.3k total citations · 3 hit papers
157 papers, 16.7k citations indexed

About

Matthias Horn is a scholar working on Molecular Biology, Microbiology and Ecology. According to data from OpenAlex, Matthias Horn has authored 157 papers receiving a total of 16.7k indexed citations (citations by other indexed papers that have themselves been cited), including 84 papers in Molecular Biology, 46 papers in Microbiology and 40 papers in Ecology. Recurrent topics in Matthias Horn's work include Reproductive tract infections research (45 papers), Legionella and Acanthamoeba research (31 papers) and Microbial Community Ecology and Physiology (30 papers). Matthias Horn is often cited by papers focused on Reproductive tract infections research (45 papers), Legionella and Acanthamoeba research (31 papers) and Microbial Community Ecology and Physiology (30 papers). Matthias Horn collaborates with scholars based in Austria, Germany and United States. Matthias Horn's co-authors include Michael Wagner, Elmar Pruesse, Jörg Peplies, Anna Klindworth, Christian Quast, Frank Oliver Glöckner, Thomas Rattei, Ute Hentschel, Alexander Loy and Astrid Collingro and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Matthias Horn

155 papers receiving 16.4k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Evaluation of general 16S ribosomal RNA gene PCR primers for classical and next-generation sequencing-based diversity studies

2012 6.3k citations Matthias Horn et al. profile →
Molecular Evidence for a Uniform Microbial Community in Sponges from Different Oceans

2002 550 citations Ute Hentschel, Matthias Horn et al. Applied and Environmental Microbiology profile →
IMNGS: A comprehensive open resource of processed 16S rRNA microbial profiles for ecology and diversity studies

2016 331 citations Matthias Horn et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Matthias Horn Austria	57	7.7k	4.9k	2.0k	1.8k	1.5k	157	16.7k
Andrey D. Prjibelski Russia	15	11.7k 1.5×	6.4k 1.3×	2.8k 1.4×	1.3k 0.7×	4.6k 3.0×	25	22.5k
Sergey Nurk United States	11	12.2k 1.6×	6.9k 1.4×	2.6k 1.3×	1.2k 0.6×	4.6k 3.0×	13	22.6k
Thomas K. Wood United States	89	14.3k 1.9×	5.0k 1.0×	4.5k 2.3×	1.4k 0.8×	1.7k 1.1×	414	25.6k
Nikolay Vyahhi Russia	6	13.0k 1.7×	7.0k 1.4×	3.2k 1.6×	1.4k 0.8×	5.2k 3.4×	7	24.8k
Peter Kämpfer Germany	66	12.7k 1.7×	7.9k 1.6×	2.1k 1.1×	647 0.4×	4.3k 2.8×	542	21.0k
Thomas Rattei Austria	55	8.4k 1.1×	6.4k 1.3×	1.0k 0.5×	824 0.5×	2.9k 1.9×	177	17.7k
Leo Eberl Switzerland	84	12.6k 1.6×	3.6k 0.7×	3.5k 1.8×	2.3k 1.3×	5.2k 3.4×	254	21.2k
Manfred Rohde Germany	83	11.1k 1.4×	5.5k 1.1×	3.0k 1.5×	2.5k 1.4×	2.0k 1.3×	523	25.7k
Ramon Rosselló‐Móra Spain	57	15.7k 2.1×	11.6k 2.3×	1.3k 0.7×	977 0.5×	4.0k 2.6×	208	24.2k
Tom Coenye Belgium	79	14.1k 1.8×	4.1k 0.8×	3.6k 1.8×	2.5k 1.4×	6.3k 4.1×	360	28.4k

Countries citing papers authored by Matthias Horn

Since Specialization

Citations

This map shows the geographic impact of Matthias Horn's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Matthias Horn with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Matthias Horn more than expected).

Fields of papers citing papers by Matthias Horn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Matthias Horn. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Matthias Horn. The network helps show where Matthias Horn may publish in the future.

Co-authorship network of co-authors of Matthias Horn

This figure shows the co-authorship network connecting the top 25 collaborators of Matthias Horn. A scholar is included among the top collaborators of Matthias Horn based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Matthias Horn. Matthias Horn is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Kunert, Martin, et al.. (2025). Mimivirus transcription and translation occur at well-defined locations within amoeba host cells. Journal of Virology. 99(7). e0055425–e0055425. 2 indexed citations

Maire, Justin, Astrid Collingro, Kshitij Tandon, et al.. (2024). Chlamydiae as symbionts of photosynthetic dinoflagellates. The ISME Journal. 18(1). 3 indexed citations

Collingro, Astrid, Stephan Köstlbacher, Alexander Siegl, et al.. (2023). The Fish Pathogen “CandidatusClavichlamydia salmonicola”—A Missing Link in the Evolution of Chlamydial Pathogens of Humans. Genome Biology and Evolution. 15(8). 2 indexed citations

Srivastava, Abhishek, André Luiz de Oliveira, Frederik Schulz, et al.. (2023). Comparative genomics of a vertically transmitted thiotrophic bacterial ectosymbiont and its close free‐living relative. Molecular Ecology Resources. 24(1). e13889–e13889. 1 indexed citations

Köstlbacher, Stephan, et al.. (2023). One to host them all: genomics of the diverse bacterial endosymbionts of the spider Oedothorax gibbosus. Microbial Genomics. 9(2). 7 indexed citations

Dharamshi, Jennah E., Stephan Köstlbacher, Max Emil Schön, et al.. (2023). Gene gain facilitated endosymbiotic evolution of Chlamydiae. Nature Microbiology. 8(1). 40–54. 30 indexed citations

Maire, Justin, Kshitij Tandon, Astrid Collingro, et al.. (2023). Colocalization and potential interactions of Endozoicomonas and chlamydiae in microbial aggregates of the coral Pocillopora acuta. Science Advances. 9(20). eadg0773–eadg0773. 33 indexed citations

Hendrickx, Frederik, et al.. (2022). A Novel Widespread MITE Element in the Repeat-Rich Genome of the Cardinium Endosymbiont of the Spider Oedothorax gibbosus. Microbiology Spectrum. 10(6). e0262722–e0262722. 4 indexed citations

Köstlbacher, Stephan, et al.. (2021). Pangenomics reveals alternative environmental lifestyles among chlamydiae. Nature Communications. 12(1). 4021–4021. 31 indexed citations

10.

Szabó, Gitta, Frederik Schulz, Alejandro Manzano‐Marín, Elena R. Toenshoff, & Matthias Horn. (2021). Evolutionarily recent dual obligatory symbiosis among adelgids indicates a transition between fungus- and insect-associated lifestyles. The ISME Journal. 16(1). 247–256. 13 indexed citations

11.

Köstlbacher, Stephan, Alexander Siegl, Frederik Schulz, et al.. (2020). Draft Genome Sequences of Chlamydiales Bacterium STE3 and Neochlamydia sp. Strain AcF84, Endosymbionts of Acanthamoeba spp. Microbiology Resource Announcements. 9(20). 5 indexed citations

12.

Collingro, Astrid, Stephan Köstlbacher, Marc Mußmann, et al.. (2017). Unexpected genomic features in widespread intracellular bacteria: evidence for motility of marine chlamydiae. The ISME Journal. 11(10). 2334–2344. 24 indexed citations

13.

Zojer, Markus, et al.. (2017). Variant profiling of evolving prokaryotic populations. PeerJ. 5. e2997–e2997. 11 indexed citations

14.

Böck, Desirée, João M. Medeiros, Thomas Penz, et al.. (2017). In situ architecture, function, and evolution of a contractile injection system. Science. 357(6352). 713–717. 117 indexed citations

15.

Szabó, Gitta, Frederik Schulz, Elena R. Toenshoff, et al.. (2016). Convergent patterns in the evolution of mealybug symbioses involving different intrabacterial symbionts. The ISME Journal. 11(3). 715–726. 33 indexed citations

16.

Gruber, Ansgar, Stephan Schmitz‐Esser, H. Ekkehard Neuhaus, et al.. (2009). Diatom plastids depend on nucleotide import from the cytosol. Proceedings of the National Academy of Sciences. 106(9). 3621–3626. 73 indexed citations

17.

Schmitz‐Esser, Stephan, Patrick Tischler, Roland Arnold, et al.. (2009). The Genome of the Amoeba Symbiont “ Candidatus Amoebophilus asiaticus” Reveals Common Mechanisms for Host Cell Interaction among Amoeba-Associated Bacteria. Journal of Bacteriology. 192(4). 1045–1057. 117 indexed citations

18.

Wagner, Michael & Matthias Horn. (2006). The Planctomycetes, Verrucomicrobia, Chlamydiae and sister phyla comprise a superphylum with biotechnological and medical relevance. Current Opinion in Biotechnology. 17(3). 241–249. 357 indexed citations

19.

Horn, Matthias, Astrid Collingro, Stephan Schmitz‐Esser, et al.. (2004). Illuminating the Evolutionary History of Chlamydiae. Science. 304(5671). 728–730. 331 indexed citations

20.

Fieseler, Lars, Matthias Horn, Michael Wagner, & Ute Hentschel. (2004). Discovery of the Novel Candidate Phylum “ Poribacteria ” in Marine Sponges. Applied and Environmental Microbiology. 70(6). 3724–3732. 236 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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