Fungal Pathogenesis
Fungal Pathogenesis - Related Videos
03:51
Establishing Bacterial–Fungal Cross-Kingdom Biofilms for Studying Oral Pathogenesis
0 Views •
2026
Source: Schlafer, S, and Frost Kristensen, M. Monitoring Extracellular pH in Cross-Kingdom Biofilms using Confocal Microscopy. J. Vis. Exp. (2020)This video demonstrates the cultivation of Streptococcus mutans and Candida albicans cross-kingdom biofilms under oral-like conditions to model bacterial–fungal interactions, enabling the study of microbial synergy, glucan-mediated adhesion, and acidogenic virulence in oral pathogenesis.
08:52
Live-cell Video Microscopy of Fungal Pathogen Phagocytosis
0 Views •
Cited by 22 •
2013
We describe methods for live-cell video microscopy of Candida albicans phagocytosis by macrophages. These methods enable stage-specific analysis of macrophage migration, recognition, engulfment and phagosome maturation and reveal novel aspects of phagocytosis.
07:31
Microbial and Fungal Diversity - Student Protocol
0 Views •
2019
Examining Microbial Colony Structures ExpandTo begin, collect your allocated culture plates and then remove the Parafilm and lid from one of them. Place the uncovered plate under a dissecting microscope and then observe the individual communities within each quadrant of the plate. As the colonies are identified, fill out the observed colony properties in the appropriate column in the table. Click Here to download Table 1 Then, repeat the observations for each of the other two bacterial species.
05:06
Microbial and Fungal Diversity - Concepts
0 Views •
2019
Bacteria and fungi are two highly diverse groups of organisms that can have significant beneficial or detrimental impacts on human health. For this reason, it is important to understand and distinguish between individual species of these groups. As you will recall, biological taxonomists group organisms based on their phylogenetic relatedness. The three domains of life, Bacteria, Archaea, and Eukaryota segregate life into three distinct groupings. While all bacteria fall within the domain...
09:57
Passive Administration of Monoclonal Antibodies Against H. capsulatum and Others Fungal Pathogens
0 Views •
Cited by 8 •
2011
C57BL/6 mice have been used to study Hc pathogenesis and provide the best model. We are exploring the potential benefits of humoral immunity against this fungus and generated several mAbs [to histone H2B and a heat shock protein 60kDa] that we tested for their protective efficacy after intraperitoneal administration.
FAQs
Adhesion allows fungal cells to remain attached to host surfaces instead of being removed by normal physiological forces. This persistence creates an opportunity for subsequent tissue invasion, biofilm formation, or release of enzymes and toxins. In medicine, recognizing adhesion as an initiating event helps explain how an otherwise localized interaction can progress toward clinically significant infection.
Biofilms provide fungi with a protective organization that can support persistence on host-associated surfaces. Their formation represents more than simple attachment because the cells become embedded in a protective community. This feature is medically relevant because it can help explain why some infections remain established and why understanding fungal organization matters when developing treatment strategies.
Fungal enzymes and toxins support pathogenesis through two connected effects: they can help fungi obtain nutrients and can injure surrounding host tissue. Nutrient acquisition sustains fungal growth, while tissue damage may facilitate further invasion. Considering both activities helps clinicians and researchers connect fungal metabolism with the progression and severity of disease.
Disease progression depends not only on fungal traits but also on the host environment and immune response. Physiological conditions can affect fungal survival or growth, while innate and adaptive immunity can limit infection. When immune defenses are compromised, the balance may shift toward disease, helping explain the increased risk of opportunistic and systemic mycoses.
Pathogenesis provides a framework for interpreting fungal disease according to how infection develops and interacts with host defenses. Clinicians can relate findings to superficial, opportunistic, or systemic patterns while considering the patient's physiological and immune status. This context supports more accurate diagnosis by connecting the clinical presentation with the likely course of host-fungus interaction.
Understanding virulence processes can guide treatment beyond simply attempting to eliminate fungal cells. Therapeutic development may target adhesion, invasion, biofilm-associated protection, nutrient acquisition, or damaging enzymes and toxins. The medical goal is to disrupt disease-promoting fungal activities while minimizing harm to human cells, providing a rationale for mechanism-informed antifungal therapies.
Prevention can be informed by identifying the stages that allow fungi to establish and maintain infection. Limiting opportunities for attachment, persistence, tissue invasion, or damaging activity may reduce progression, while attention to vulnerable patients addresses the heightened risk associated with impaired immunity. This approach connects mechanistic knowledge with practical infection-control planning in medical settings.
Immunocompromised patients may have reduced ability to control fungal interactions with tissues, allowing processes such as invasion, biofilm formation, or toxin-associated damage to become more consequential. Their risk illustrates how fungal disease emerges from the relationship between microbial properties and host defenses. This context is essential for prioritizing diagnosis, treatment, and prevention in clinical medicine.