Investigating the role of Candida albicans as a universal substrate for oral bacteria using a transcriptomic approach: implications for interkingdom biofilm control?

Christopher Delaney* (Corresponding Author), Susanth Alapati, Muhanna Alshehri, Dominika Kubalova, Chandra Lekha Ramalingham Veena, Sumaya Abusrewil, Bryn Short, David Bradshaw, Jason L. Brown* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Candida albicans is frequently identified as a colonizer of the oral cavity in health and has recently been termed a “keystone” commensal due to its role on the bacterial communities. However, the role that C. albicans plays in such interactions is not fully understood. Therefore, this study aimed to identify the relationship between C. albicans and bacteria associated with oral symbiosis and dysbiosis. To do this, we evaluated the ability of C. albicans to support the growth of the aerobic commensal Streptococcus gordonii and the anaerobic pathogens Fusobacterium nucleatum and Porphyromonas gingivalis in the biofilm environment. RNA-Sequencing with the Illumina platform was then utilized to identify C. albicans gene expression and functional pathways involved during such interactions in dual-species and a 4-species biofilm model. Results indicated that C. albicans was capable of supporting growth of all three bacteria, with a significant increase in colony counts of each bacteria in the dual-species biofilm (p 
Original languageEnglish
JournalAPMIS
DOIs
Publication statusPublished - 11 May 2023

Bibliographical note

FUNDING INFORMATION
We would like to acknowledge the funding support from the GlaxoSmithKline BBSRC Industrial CASE PhD studentship for CD (BB/P504567/1).

Keywords

  • Biofilms
  • Candida Albicans
  • Streptococcus gordonii
  • Fusobacterium nucleatum
  • Porphyromonas gingivalis
  • fungal-bacterial interactions
  • RNA-sequencing

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