Trichosporon asahii: A Potential Growth Promoter for C. gallinacea? Implications for Chlamydial Infections and Cell Culture

The cultivation of <i>Chlamydia gallinacea</i>, a recently identified species, is challenging due to the lack of an optimized protocol. In this study, several infection protocols were tested, including different cell lines, incubation temperatures, centrifugation methods and culture media. However, none were successful in field samples. The only exception was a chance co-culture with <i>Trichosporon asahii</i>, a microorganism commonly found in the chicken gut. This suggests that current in vitro methods may not be optimized for this species and that host-associated microorganisms may influence the in vivo growth of <i>C. gallinacea</i>, which is typically found in the chicken gut. These findings raise new questions and highlight the need for further investigation of microbial interactions within the host, particularly to understand their role in the proliferation of chlamydial species.

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Publication Details

Journal
Microorganisms
Published
2025-01-27
DOI
https://doi.org/10.3390/microorganisms13020288
Primary Topic
Reproductive tract infections research
Type
article
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article

Trichosporon asahii: A Potential Growth Promoter for C. gallinacea? Implications for Chlamydial Infections and Cell Culture

Konrad Sachse, Karine Laroucau, Maria Lucia Mandola, Verónica Risco‐Castillo et al.
Microorganisms
Reproductive tract infections research
article

Trichosporon asahii: A Potential Growth Promoter for C. gallinacea? Implications for Chlamydial Infections and Cell Culture

Konrad Sachse, Karine Laroucau, Maria Lucia Mandola, Verónica Risco‐Castillo, Francesca Rizzo, Monica Marchino, Erika Ornelas-Eusebio, Chiara Nogarol, Fabien Vorimore, Gina Zanella, Christiane Schnee, Rachid Aaziz
article en

Abstract

The cultivation of <i>Chlamydia gallinacea</i>, a recently identified species, is challenging due to the lack of an optimized protocol. In this study, several infection protocols were tested, including different cell lines, incubation temperatures, centrifugation methods and culture media. However, none were successful in field samples. The only exception was a chance co-culture with <i>Trichosporon asahii</i>, a microorganism commonly found in the chicken gut. This suggests that current in vitro methods may not be optimized for this species and that host-associated microorganisms may influence the in vivo growth of <i>C. gallinacea</i>, which is typically found in the chicken gut. These findings raise new questions and highlight the need for further investigation of microbial interactions within the host, particularly to understand their role in the proliferation of chlamydial species.

MicroorganismsVol. 13(2)
Friedrich-Loeffler-Institut (DE), City University of Hong Kong (HK), École Nationale Vétérinaire d'Alfort (FR), Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (FR), Hong Kong Jockey Club (HK), Département Santé Animale (FR), Agence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail (FR), Istituto Zooprofilattico Sperimentale del Piemonte Liguria e Valle d'Aosta (IT), Friedrich Schiller University Jena (DE)
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Reproductive tract infections research
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