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List of works by Matthias Horn

"Candidatus Thiobios zoothamnicoli," an ectosymbiotic bacterium covering the giant marine ciliate Zoothamnium niveum

scientific article

'Candidatus Branchiomonas cysticola' is a common agent of epitheliocysts in seawater-farmed Atlantic salmon Salmo salar in Norway and Ireland

scientific article published on March 2013

'Candidatus Cochliophilus cryoturris' (Coxiellaceae), a symbiont of the testate amoeba Cochliopodium minus.

scientific article published on 13 June 2017

'Candidatus Protochlamydia amoebophila', an endosymbiont of Acanthamoeba spp.

scientific article

A Rickettsiales symbiont of amoebae with ancient features.

scientific article

A bacterial genome in transition--an exceptional enrichment of IS elements but lack of evidence for recent transposition in the symbiont Amoebophilus asiaticus.

scientific article

A candidate NAD+ transporter in an intracellular bacterial symbiont related to Chlamydiae

scientific article published on December 2004

A giant virus infecting the amoeboflagellate Naegleria

scientific article published on 24 April 2024

A novel betaproteobacterial agent of gill epitheliocystis in seawater farmed Atlantic salmon (Salmo salar)

scientific article (publication date: 2012)

ATP/ADP translocases: a common feature of obligate intracellular amoebal symbionts related to Chlamydiae and Rickettsiae

scientific article published on February 2004

Amoebae as training grounds for intracellular bacterial pathogens

scientific article

An Acanthamoeba sp. containing two phylogenetically different bacterial endosymbionts

scientific article

Architecture and host interface of environmental chlamydiae revealed by electron cryotomography

scientific article (publication date: February 2014)

Bacterial endosymbionts of free-living amoebae

scientific article

Bacteriocyte-associated gammaproteobacterial symbionts of the Adelges nordmannianae/piceae complex (Hemiptera: Adelgidae)

scientific article

Biphasic Metabolism and Host Interaction of a Chlamydial Symbiont

scientific article published on 30 May 2017

Chlamydia-like bacteria in respiratory samples of community-acquired pneumonia patients

scientific article published on 27 February 2008

Chlamydiae

scientific article published in 2015

Chlamydiae as Symbionts in Eukaryotes

scientific article

Chlamydiae in the Environment

scientific article published on 23 June 2020

Chlamydial endocytobionts of free-living amoebae differentially affect the growth rate of their hosts

Chlamydial metabolism revisited: interspecies metabolic variability and developmental stage-specific physiologic activities

scientific article published on 24 February 2014

Chlamydial seasonal dynamics and isolation of 'Candidatus Neptunochlamydia vexilliferae' from a Tyrrhenian coastal lake

scientific article

Chlamydiales

scientific article published in 2015

Chlamydiia class. nov.

scientific article published in 2015

Co-evolution and symbiont replacement shaped the symbiosis between adelgids (Hemiptera: Adelgidae) and their bacterial symbionts

scientific article published on 24 February 2012

Coevolving Plasmids Drive Gene Flow and Genome Plasticity in Host-Associated Intracellular Bacteria

scientific article published on 30 October 2020

Coexistence of novel gammaproteobacterial and Arsenophonus symbionts in the scale insect Greenisca brachypodii (Hemiptera, Coccomorpha: Eriococcidae).

scientific article

Comparative genomics suggests an independent origin of cytoplasmic incompatibility in Cardinium hertigii

scientific article

Comprehensive in silico prediction and analysis of chlamydial outer membrane proteins reflects evolution and life style of the Chlamydiae

scientific article

Conserved features and major differences in the outer membrane protein composition of chlamydiae

scientific article published on 22 October 2014

Convergent patterns in the evolution of mealybug symbioses involving different intrabacterial symbionts.

scientific article published on 16 December 2016

Correction: Sequence-Based Prediction of Type III Secreted Proteins.

scientific article published on 28 April 2009

Criblamydia

scientific article published in 2015

Criblamydiaceae

scientific article published in 2015

Deciphering the evolution and metabolism of an anammox bacterium from a community genome

scientific article

Deep sequencing reveals exceptional diversity and modes of transmission for bacterial sponge symbionts

scientific article

Detection and differentiation of chlamydiae by fluorescence in situ hybridization

scientific article published on August 2002

Developmental cycle and host interaction of Rhabdochlamydia porcellionis, an intracellular parasite of terrestrial isopods

scientific article published on 12 September 2013

Diatom plastids depend on nucleotide import from the cytosol

scholarly article

Discovery of chlamydial peptidoglycan reveals bacteria with murein sacculi but without FtsZ

scientific article

Discovery of the Novel Candidate Phylum "Poribacteria" in Marine Sponges

article published in 2006

Discovery of the novel candidate phylum "Poribacteria" in marine sponges

scientific article

Diversity of bacterial endosymbionts of environmental acanthamoeba isolates

scientific article

Draft Genome Sequence of "Candidatus Hepatoplasma crinochetorum" Ps, a Bacterial Symbiont in the Hepatopancreas of the Terrestrial Isopod Porcellio scaber

scientific article published on 13 August 2015

Draft Genome Sequences of Chlamydiales Bacterium STE3 and Neochlamydia sp. Strain AcF84, Endosymbionts of Acanthamoeba spp

scientific article published on 14 May 2020

Emendation of the family Chlamydiaceae: proposal of a single genus, Chlamydia, to include all currently recognized species

scientific article published on 08 January 2015

Enlightening energy parasitism by analysis of an ATP/ADP transporter from chlamydiae

scientific article

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

scientific article

Evidence for additional genus-level diversity of Chlamydiales in the environment.

scientific article published on October 2001

Evolutionarily recent dual obligatory symbiosis among adelgids indicates a transition between fungus- and insect-associated lifestyles

scientific article published on 22 July 2021

Fluorescence in situ hybridisation for the identification and characterisation of prokaryotes

scientific article

Following the Footsteps of Chlamydial Gene Regulation.

scientific article published on 30 September 2015

Free-living amoebae and their associated bacteria in Austrian cooling towers: a 1-year routine screening

scientific article

Genome of Acanthamoeba castellanii highlights extensive lateral gene transfer and early evolution of tyrosine kinase signaling

scientific article

Genotyping of evolving prokaryotic populations

Genotyping of evolving prokaryotic populations

Giant viruses with an expanded complement of translation system components

scientific article (publication date: 6 April 2017)

Happens in the best of subfamilies: Establishment and repeated replacements of co-obligate secondary endosymbionts within Lachninae aphids

Happens in the best of subfamilies: establishment and repeated replacements of co-obligate secondary endosymbionts within Lachninae aphids.

scientific article published on 30 November 2016

High genetic similarity between two geographically distinct strains of the sulfur-oxidizing symbiont 'Candidatus Thiobios zoothamnicoli'.

scientific article

IMNGS: A comprehensive open resource of processed 16S rRNA microbial profiles for ecology and diversity studies

scientific article

Identification and characterization of a novel porin family highlights a major difference in the outer membrane of chlamydial symbionts and pathogens

scientific article

Illuminating the Evolutionary History of Chlamydiae

scientific article

Improved axenization method reveals complexity of symbiotic associations between bacteria and acanthamoebae

scientific article published on 25 April 2014

In situ architecture, function, and evolution of a contractile injection system.

scientific article published on August 2017

Inclusion membrane proteins of Protochlamydia amoebophila UWE25 reveal a conserved mechanism for host cell interaction among the Chlamydiae

scientific article

Integrating metagenomic and amplicon databases to resolve the phylogenetic and ecological diversity of the Chlamydiae

scientific article published on August 15, 2013

International Committee on Systematics of Prokaryotes (ICSP) Subcommittee on the taxonomy of Chlamydiae. Minutes of the closed meeting, 20 March 2019, Seattle, WA, USA

scientific article

International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Chlamydiae. Minutes of the closed meeting, 9 April 2017, Charlotte, USA

scientific article published on 01 January 2018

Intranuclear bacteria: inside the cellular control center of eukaryotes.

scientific article

Lack of effective anti-apoptotic activities restricts growth of Parachlamydiaceae in insect cells

scientific article

Lawsonia intracellularis contains a gene encoding a functional rickettsia-like ATP/ADP translocase for host exploitation

scientific article

Life in an unusual intracellular niche: a bacterial symbiont infecting the nucleus of amoebae.

scientific article published on 6 February 2014

Marine amoebae with cytoplasmic and perinuclear symbionts deeply branching in the Gammaproteobacteria

scientific article

Massive expansion of Ubiquitination-related gene families within the Chlamydiae

scientific article

Members of the Cytophaga-Flavobacterium-Bacteroides phylum as intracellular bacteria of acanthamoebae: proposal of 'Candidatus Amoebophilus asiaticus'.

scientific article published in July 2001

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

scientific article

Molecular analysis of bacteria in periodontitis: evaluation of clone libraries, novel phylotypes and putative pathogens

scientific article

Molecular causes of an evolutionary shift along the parasitism-mutualism continuum in a bacterial symbiont

scientific article published on 19 August 2020

Molecular evidence for a uniform microbial community in sponges from different oceans

scientific article

Monitoring microbial diversity and natural product profiles of the sponge Aplysina cavernicola following transplantation

article published in 2003

Morphological and molecular investigations of Paramecium schewiakoffi sp. nov. (Ciliophora, Oligohymenophorea) and current status of distribution and taxonomy of Paramecium spp

article published in 2004

Mycobacterium avium infections of Acanthamoeba strains: host strain variability, grazing-acquired infections, and altered dynamics of inactivation with monochloramine

scientific article published on 13 August 2010

Neochlamydia

scientific article published in 2015

Novel bacterial endosymbionts of Acanthamoeba spp. related to the Paramecium caudatum symbiont Caedibacter caryophilus.

scientific article

Novel chlamydiae in whiteflies and scale insects: endosymbionts 'Candidatus Fritschea bemisiae' strain Falk and 'Candidatus Fritschea eriococci' strain Elm.

scientific article

Nucleotide parasitism by Simkania negevensis (Chlamydiae).

scientific article

Obligate bacterial endosymbionts of Acanthamoeba spp. related to the beta-Proteobacteria: proposal of 'Candidatus Procabacter acanthamoebae' gen. nov., sp. nov.

scientific article

Pangenomics reveals alternative environmental lifestyles among chlamydiae

scientific article published on 29 June 2021

Paracatenula, an ancient symbiosis between thiotrophic Alphaproteobacteria and catenulid flatworms

scientific article (publication date: 19 July 2011)

Parachlamydia

scientific article published in 2015

Parachlamydiaceae

scientific article published in 2015

Phylogenetic analysis of and oligonucleotide probe development for eikelboom type 021N filamentous bacteria isolated from bulking activated sludge.

scientific article

Phylogenetic diversity among geographically dispersed Chlamydiales endosymbionts recovered from clinical and environmental isolates of Acanthamoeba spp.

scientific article published on June 2000

Plastid establishment did not require a chlamydial partner

scientific article published on 11 March 2015

Prediction of microbial phenotypes based on comparative genomics.

scientific article published on 2 October 2015

Proteomic analysis of the outer membrane of Protochlamydia amoebophila elementary bodies

scientific article

Proteomic analysis reveals a virtually complete set of proteins for translation and energy generation in elementary bodies of the amoeba symbiont Protochlamydia amoebophila

scientific article published on 18 April 2011

Protochlamydia

scientific article published in 2015

Raman microspectroscopy reveals long-term extracellular activity of Chlamydiae

scientific article

Recovery of an environmental Chlamydia strain from activated sludge by co-cultivation with Acanthamoeba sp.

scientific article published on January 2005

Rhabdochlamydia

scientific article published in 2015

Rhabdochlamydiaceae fam. nov.

scientific article published in 2015

Sequence-based prediction of type III secreted proteins

scientific article

Signature protein of the PVC superphylum

scientific article

Simkaniaceae

scientific article published in 2015

Single-cell genomics of a rare environmental alphaproteobacterium provides unique insights into Rickettsiaceae evolution

scientific article published on 7 April 2015

Symbiont-Mediated Defense against Legionella pneumophila in Amoebae

scientific article published in May 2019

Systematic spatial bias in DNA microarray hybridization is caused by probe spot position-dependent variability in lateral diffusion

scientific article

Tapping the nucleotide pool of the host: novel nucleotide carrier proteins of Protochlamydia amoebophila

scientific article published on June 2006

The Genome of the Amoeba Symbiont "Candidatus Amoebophilus asiaticus" Reveals Common Mechanisms for Host Cell Interaction among Amoeba-Associated Bacteria

scientific article

The Planctomycetes, Verrucomicrobia, Chlamydiae and sister phyla comprise a superphylum with biotechnological and medical relevance

scientific article (publication date: June 2006)

The cooling tower water microbiota: Seasonal dynamics and co-occurrence of bacterial and protist phylotypes

scientific article published on 22 April 2019

The endosymbiont Amoebophilus asiaticus encodes an S-adenosylmethionine carrier that compensates for its missing methylation cycle

scientific article published on 10 May 2013

The genome of the amoeba symbiont "Candidatus Amoebophilus asiaticus" encodes an afp-like prophage possibly used for protein secretion

scientific article published in November 2010

The genus Caedibacter comprises endosymbionts of Paramecium spp. related to the Rickettsiales (Alphaproteobacteria) and to Francisella tularensis (Gammaproteobacteria).

scientific article

The isotope array, a new tool that employs substrate-mediated labeling of rRNA for determination of microbial community structure and function

scientific article

The pine bark Adelgid, Pineus strobi, contains two novel bacteriocyte-associated gammaproteobacterial symbionts

scientific article published on 22 November 2013

Tracing the primordial Chlamydiae: extinct parasites of plants?

scientific article

Trophosome of the Deep-Sea Tubeworm Riftia pachyptila Inhibits Bacterial Growth

scientific article

Unexpected genomic features in widespread intracellular bacteria: evidence for motility of marine chlamydiae

scientific article published on 23 June 2017

Unity in variety--the pan-genome of the Chlamydiae

scientific article published on 20 June 2011

Variant profiling of evolving prokaryotic populations

scientific article published on 16 February 2017

Various bacterial pathogens and symbionts infect the amoeba Dictyostelium discoideum

scientific article published in March 2002

probeBase--an online resource for rRNA-targeted oligonucleotide probes and primers: new features 2016

scientific article

probeBase--an online resource for rRNA-targeted oligonucleotide probes: new features 2007.

scientific article

probeBase: an online resource for rRNA-targeted oligonucleotide probes

scientific article

probeCheck--a central resource for evaluating oligonucleotide probe coverage and specificity

scientific article

“Candidatus Clavichlamydiaceae”

scientific article published in 2015

“Candidatus Clavichlamydia”

scientific article published in 2015

“Candidatus Fritschea”

scientific article published in 2015

“Candidatus Piscichlamydiaceae”

scientific article published in 2015

“Candidatus Piscichlamydia”

scientific article published in 2015