Evaluación de los hongos contaminantes en obras de artelienzos e imágenes talladas en madera

Abstract

In this manuscript, we have described the different components, vesicles, metulae, phialides, conidia and spores of Penicilliumcandidum and Aspergillusniger with the scanning electron microscope (SEM) and transmission electron microscope (TEM). The fungi come from plaid fabrics, which have been affected by their contamination. As objectives of the work, firstly to know the viability of these contaminating fungi.To know the morphology through the studies with MO and SEM and finally to know the evolution through the morphological analysis with TEM. On the other hand there are numerous descriptions to MO and SEM of the cellular components of Aspergillus and Penicillium. In contrast, the descriptive studies that exist in the literature consulted, with the use of TEM, of the eukaryotic cells of these fungi are scarce and incomplete, so that it can be considered an important contribution for their knowledge and functioning, especially of the metulae and phialides. One of the most important facts is to know the granulations that occur in the metulae and phialides, which participate actively in the defense of these fungi. As specific and similar granulations in both fungi, it is necessary to point out the proteinic and medium electron density granulations that these cells present and that are definitely responsible for the production of the spore shells. In contrast, there is a significant difference in the granulations of the Aspergillusniger compared to the Penicillium; Aspergillus produces very dense granulations to the electrons and that are identified with melanin, which selectively protect this fungus.