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The Fungal Pathogen Candida albicans Promotes Bladder Colonization of Group B Streptococcus.


ABSTRACT: Group B Streptococcus (GBS) is a common cause of bacterial urinary tract infections (UTI) in susceptible populations, including pregnant women and the elderly. However, the factors that govern GBS persistence and disease severity in this niche are not fully understood. Here, we report that the presence of the fungus Candida albicans, a common urogenital colonizer, can promote GBS UTI. Co-inoculation of GBS with C. albicans increased bacterial adherence to bladder epithelium and promoted GBS colonization in vivo in a C. albicans adhesin-dependent manner. This study demonstrates that fungal colonization of the urogenital tract may be an important determinant of bacterial pathogenesis during UTI.

SUBMITTER: Shing SR 

PROVIDER: S-EPMC6966239 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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The Fungal Pathogen <i>Candida albicans</i> Promotes Bladder Colonization of Group B <i>Streptococcus</i>.

Shing Samuel R SR   Ramos Anissa R AR   Patras Kathryn A KA   Riestra Angelica M AM   McCabe Sinead S   Nizet Victor V   Coady Alison A  

Frontiers in cellular and infection microbiology 20200110


Group B <i>Streptococcus</i> (GBS) is a common cause of bacterial urinary tract infections (UTI) in susceptible populations, including pregnant women and the elderly. However, the factors that govern GBS persistence and disease severity in this niche are not fully understood. Here, we report that the presence of the fungus <i>Candida albicans</i>, a common urogenital colonizer, can promote GBS UTI. Co-inoculation of GBS with <i>C. albicans</i> increased bacterial adherence to bladder epithelium  ...[more]

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