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Application of Membrane and Cell Wall Selective Fluorescent Dyes for Live-Cell Imaging of Filamentous Fungi
Published on: November 28, 2019
Fungal cell wall dynamics and infection site microenvironments: signal integration and infection outcome
Kelly M Shepardson1, Robert A Cramer
1Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA.
Abstract:
Upon entrance into the host, fungi encounter a myriad of host effector products and microenvironments that they sense and adapt to for survival. Alterations of the structure and composition of the cell wall is a major fungal adaptation mechanism to evade these environments. Here we discuss recent findings of host-microenvironmental induced fungal cell wall changes, including structure, composition, and protein content, and their effects on host immune responses. A take home message from these recent studies is an emerging understanding of how integration of multiple signals, of both fungal and host responses to dynamic infection site microenvironments, determines outcomes of infection. A challenge moving forward is to further understand these mechanisms and harness them for therapeutic benefit.
Insights
Fungi adapt to host environments by altering their cell walls, impacting immune responses. Understanding these dynamic fungal adaptations is key for developing new antifungal therapies.
Area of Science:
- Mycology
- Immunology
- Microbiology
Background:
- Fungi face diverse host environments and effectors upon infection.
- Fungal cell wall adaptation is crucial for survival and evasion.
- Host-microenvironmental factors significantly influence fungal survival.
Purpose of the Study:
- To review recent findings on host-microenvironmental induced fungal cell wall changes.
- To explore the impact of these changes on host immune responses.
- To highlight the integration of signals in determining infection outcomes.
Main Methods:
- Review of recent scientific literature.
- Analysis of studies on fungal cell wall structure, composition, and protein content.
- Examination of host-pathogen interactions and immune system modulation.
Main Results:
- Fungal cell walls dynamically change structure, composition, and protein content in response to host environments.
- These alterations modulate host immune cell recognition and activation.
- Integrated signals from fungi and host responses dictate infection progression.
Conclusions:
- Fungal cell wall plasticity is a critical adaptation mechanism.
- Understanding signal integration in dynamic microenvironments is essential for infection control.
- Further research into these mechanisms could lead to novel therapeutic strategies against fungal infections.
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