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Related Concept Videos

Biofilms01:29

Biofilms

Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
Candidiasis01:20

Candidiasis

Candidiasis is a fungal infection caused by opportunistic species of Candida. It can affect various anatomical sites, including the skin, oral cavity, nails, and genitourinary tract. Among its forms, vaginal candidiasis is the most common type of mucosal infection. It typically results from the overgrowth of Candida albicans in the vaginal mucosa. Under normal conditions, C. albicans exists as a commensal organism within the vaginal microbiota, regulated by the dominance of lactobacilli, which...
Bacterial Signaling01:30

Bacterial Signaling

Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...

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Related Experiment Video

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Candida albicans Biofilm Development on Medically-relevant Foreign Bodies in a Mouse Subcutaneous Model Followed by Bioluminescence Imaging
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Candida biofilms on implanted biomaterials: a clinically significant problem.

Gordon Ramage1, José Pedro Martínez, José Luis López-Ribot

  • 1Department of Biological and Biomedical Sciences, Glasgow Caledonian University, Glasgow, UK.

FEMS Yeast Research
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Microbial biofilms, structured communities encased in exopolymeric material, are increasingly studied in infectious diseases. Understanding Candida biofilms is crucial for managing difficult-to-treat infections, especially in patients with weakened immune systems.

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Biomaterials Science

Background:

  • Microbial biofilms are ubiquitous, structured communities attached to surfaces and encased in exopolymeric material.
  • Candida spp. readily form biofilms on various biomaterials used in clinical settings.
  • Increased use of medical implants, particularly in immunocompromised populations, correlates with rising Candida infections.

Purpose of the Study:

  • To highlight the growing importance of studying microbial biofilms, specifically Candida biofilms, in the context of infectious diseases.
  • To underscore the clinical significance of Candida biofilm formation on medical devices.
  • To emphasize the need for enhanced understanding of Candida biofilms for improved patient outcomes.

Main Methods:

  • Review of existing literature on microbial biofilms and Candida spp. infections.
  • Analysis of the relationship between biomaterial use, medical implants, and Candida biofilm formation.
  • Examination of the clinical implications of biofilm-associated Candida infections.

Main Results:

  • Candida biofilms exhibit increased resistance to antifungal treatments.
  • Cells within biofilms demonstrate enhanced survival against host immune defenses.
  • The prevalence of Candida infections has risen alongside the widespread use of medical implants.

Conclusions:

  • Candida biofilms pose significant clinical challenges due to their inherent resistance mechanisms.
  • Further research into Candida biofilms is essential for developing effective therapeutic strategies.
  • Recognizing the role of biofilms in Candida infections is key to managing recalcitrant cases.