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X-ray microanalysis of black piedra
1Unitat de Microbiologia, Facultat de Medicina i Ciències de la Salut, Universitat Rovira i Virgili, Reus, Espanya.
Antonie Van Leeuwenhoek
|January 27, 1998
Summary
This study identified key elements like phosphorus, sulfur, and calcium within fungal structures of Piedraia hortae. These elements are crucial for the fungus
Area of Science:
- Mycology and Biochemistry
Background:
- Fungal structures, particularly those produced by Piedraia hortae, play a role in infections and biological processes.
- Understanding the elemental composition of these structures is crucial for elucidating their formation and function.
Purpose of the Study:
- To investigate the elemental composition of fungal structures produced by Piedraia hortae in both in vivo and in vitro conditions.
- To determine the localization and potential role of detected elements within the fungal extracellular matrix and on nodule surfaces.
Main Methods:
- Electron microscopy X-ray microanalysis was employed to detect and localize elements within fungal structures.
- Fungal samples were analyzed from both in vivo (hair) and in vitro (culture) sources.
Main Results:
- Phosphorus, sulfur, and calcium were identified within the extracellular material of fungal nodules, contributing to their organization.
- Melanin-like pigments may sequester these ions, or they may be part of mucopolysaccharides.
- Environmental contaminants (aluminum, silicon, iron) were found on the nodule surface, linked to keratin breakdown products.
Conclusions:
- Electron microscopy X-ray microanalysis is effective for characterizing the chemical nature of fungal structures.
- The study reveals the elemental composition of Piedraia hortae structures, offering insights into fungal biology and potential interactions with the environment.