ArticleApplied and environmental microbiology2013
Molecular characterization of "Candidatus Parilichlamydia carangidicola," a novel Chlamydia-like epitheliocystis agent in yellowtail kingfish, Seriola lalandi (Valenciennes), and the proposal of a new family, "Candidatus Parilichlamydiaceae" fam. nov. (order Chlamydiales).
Article in Applied and environmental microbiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed, 63 citations in OpenAlex.
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- Ultrastructural Insights Into a Candidatus Parilichlamydia sp. Infection of Gill Goblet Cells in Greater Amberjack.Journal of fish diseases · 2025Article
- Aquatic Chlamydiae: A Review of Their Roles in Fish Health.Microorganisms · 2025Review
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- Co-infection ofFrontiers in veterinary science · 2022Article
- Pangenomics reveals alternative environmental lifestyles among chlamydiae.Nature communications · 2021Article
- Presence and diversity of Chlamydiae bacteria in Spinturnix myoti, an ectoparasite of bats.Parasite (Paris, France) · 2020Article
- Metagenomic Analysis of Fish-Associated Ca. Parilichlamydiaceae Reveals Striking Metabolic Similarities to the Terrestrial Chlamydiaceae.Genome biology and evolution · 2018Article
- Genotyping of Candidatus Syngnamydia salmonis (chlamydiales; Simkaniaceae) co-cultured in Paramoeba perurans (amoebozoa; Paramoebidae).Archives of microbiology · 2018Article
- Environmental Metagenomic Assemblies Reveal Seven New Highly Divergent Chlamydial Lineages and Hallmarks of a Conserved Intracellular Lifestyle.Frontiers in microbiology · 2018Article
- Unexpected genomic features in widespread intracellular bacteria: evidence for motility of marine chlamydiae.The ISME journal · 2017Article
- Novel Chlamydiales genotypes identified in ticks from Australian wildlife.Parasites & vectors · 2017Article
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- Emerging pathogens of gilthead seabream: characterisation and genomic analysis of novel intracellular β-proteobacteria.The ISME journal · 2016Article
- Host-Associated Genomic Features of the Novel Uncultured Intracellular Pathogen Ca. Ichthyocystis Revealed by Direct Sequencing of Epitheliocysts.Genome biology and evolution · 2016Article
- Characteristics of chlamydia-like organisms pathogenic to fish.Journal of applied genetics · 2016Review
- A Zebrafish Model forFrontiers in microbiology · 2016Article
- Epitheliocystis Distribution and Characterization in Brown Trout (Salmo trutta) from the Headwaters of Two Major European Rivers, the Rhine and Rhone.Frontiers in physiology · 2016Article
- Environmental marine pathogen isolation using mesocosm culture of sharpsnout seabream: striking genomic and morphological features of novel Endozoicomonas sp.Scientific reports · 2015Article
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Three cohorts of farmed yellowtail kingfish (Seriola lalandi) from South Australia were examined for Chlamydia-like organisms associated with epitheliocystis. To characterize the bacteria, 38 gill samples were processed for histopathology, electron microscopy, and 16S rRNA amplification, sequencing, and phylogenetic analysis. Microscopically, the presence of membrane-enclosed cysts was observed within the gill lamellae. Also observed was hyperplasia of the epithelial cells with cytoplasmic vacuolization and fusion of the gill lamellae. Transmission electron microscopy revealed morphological features of the reticulate and intermediate bodies typical of members of the order Chlamydiales. A novel 1,393-bp 16S chlamydial rRNA sequence was amplified from gill DNA extracted from fish in all cohorts over a 3-year period that corresponded to the 16S rRNA sequence amplified directly from laser-dissected cysts. This sequence was only 87% similar to the reported "Candidatus Piscichlamydia salmonis" (AY462244) from Atlantic salmon and Arctic charr. Phylogenetic analysis of this sequence against 35 Chlamydia and Chlamydia-like bacteria revealed that this novel bacterium belongs to an undescribed family lineage in the order Chlamydiales. Based on these observations, we propose this bacterium of yellowtail kingfish be known as "Candidatus Parilichlamydia carangidicola" and that the new family be known as "Candidatus Parilichlamydiaceae."
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