Evidence map›Paper›PMID 40413380›Full record

ArticleBMC microbiology2025

Characterization of aquatic clade 2 and 3 Campylobacter coli isolates from Slovenia reveals admixture with other Campylobacter species.

Stephan Lorenzen, Anastasia-Lisa Dieckmann, Sonja Smole Možina, Katja Zelenik, Pauline Marquardt, Aljoscha Tersteegen, Achim J Kaasch, Wolfgang Bohne, Andreas Erich Zautner

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Article in BMC microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Stephan Lorenzen *Bioinformatics Group, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Anastasia-Lisa Dieckmann *Institute for Medical Microbiology and Virology, University Medical Center Göttingen, Göttingen, Germany.
Sonja Smole MožinaDepartment of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia.
Katja ZelenikCenter for Microbiological Analysis of Food, Water and Other Environmental Samples, National Laboratory of Health, Environment and Food, Maribor, Slovenia.
Pauline MarquardtInstitute of Medical Microbiology and Hospital Hygiene, Medical Faculty, Otto von Guericke University Magdeburg, Magdeburg, Germany.
Aljoscha TersteegenInstitute of Medical Microbiology and Hospital Hygiene, Medical Faculty, Otto von Guericke University Magdeburg, Magdeburg, Germany.
Achim J KaaschInstitute of Medical Microbiology and Hospital Hygiene, Medical Faculty, Otto von Guericke University Magdeburg, Magdeburg, Germany.
Wolfgang BohneInstitute for Medical Microbiology and Virology, University Medical Center Göttingen, Göttingen, Germany.
Andreas Erich ZautnerInstitute for Medical Microbiology and Virology, University Medical Center Göttingen, Göttingen, Germany. azautne@gwdg.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Campylobacter coli, a significant foodborne pathogen, has undergone extensive genetic exchange with its close relative, Campylobacter jejuni, leading to the emergence of three distinct clades. While clade 1 strains are commonly isolated from clinical and agricultural sources, clades 2 and 3 are primarily found in aquatic environments. This study aimed to enhance our understanding of C. coli clade 2 and 3 isolates through genomic and phenotypic characterization. A total of 48 surface water samples were collected from 19 different water bodies throughout Slovenia, and eleven Campylobacter isolates initially identified as C. coli from clades 2 and 3 were cultured. Whole genome sequencing was then performed on these isolates. Phylogenetic analysis was conducted using core genome multilocus sequence typing (cgMLST) and k-mer analysis. Phenotypic characterization included growth analysis, autoagglutination, biofilm formation, motility, antimicrobial susceptibility, water survival, and metabolic profiling. Genomic analysis revealed significant admixture with other Campylobacter species in the clade 2 and 3 isolates. One isolate was found to represent a new species related to C. coli. Besides C. jejuni and C. lari, this novel species appears to have contributed to introgression in the C. coli clades 2 and 3 isolates. Phenotypic characterization demonstrated diverse growth patterns, motility, autoagglutination abilities, and biofilm formation among the isolates. This study provides new insights into the genetic diversity and phenotypic characteristics of aquatic C. coli clade 2 and 3 isolates from Slovenia. The observed admixture with other Campylobacter species highlights the complex evolutionary history of these environmental strains and underscores the importance of continued surveillance and characterization of Campylobacter isolates from diverse ecological niches.

Indexed as

CampylobacterCampylobacter coliWater MicrobiologyGenome, BacterialMultilocus Sequence TypingPhenotypePhylogenySloveniaWhole Genome SequencingCampylobacter coliCampylobacter jejuni admixtureCampylobacter lari admixtureClade 2Clade 3Introgression

Identifiers

PMID40413380
PMCPMC12102941

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