Salt caves are scarce and poorly investigated mainly because they only exist in extremely remote and arid regions, such as the Atacama Desert (Chile). The Cordillera de la Sal (San Pedro de Atacama) is one of the most important rock salt karst areas in the world forming a Mars‐like landscape. The detection of microorganisms and biosignatures preserved in halite speleothems from these hypersaline cave systems is...
Microbial colonization and biodeterioration is a growing problem in the preservation of indoor and outdoor patrimonial assets in Cultural Heritage (CH) [1]. Streptomyces species are involved in the biodeterioration of cultural heritage (CH) materials [2,3]. Streptomyces species are Gram-positive aerobic chemoorganotrophic and filamentous bacteria of the Actinobacteria phylum, that grows in several environments,...