Heavy metal resistance strategies of acidophilic bacteria and their acquisition: Importance for biomining and bioremediation
Artículo

Open/ Download
Access note
Acceso Abierto
Publication date
2013Metadata
Show full item record
Cómo citar
Navarro, Claudio A.
Cómo citar
Heavy metal resistance strategies of acidophilic bacteria and their acquisition: Importance for biomining and bioremediation
Abstract
Microbial solubilizing of metals in acid environments is successfully used in industrial bioleaching of ores or biomining to extract metals such as copper, gold, uranium and others. This is done mainly by acidophilic and other microorganisms that mobilize metals and generate acid mine drainage or AMD, causing serious environmental problems. However, bioremediation or removal of the toxic metals from contaminated soils can be achieved by using the specific properties of the acidophilic microorganisms interacting with these elements. These bacteria resist high levels of metals by using a few "canonical" systems such as active efflux or trapping of the metal ions by metal chaperones. Nonetheless, gene duplications, the presence of genomic islands, the existence of additional mechanisms such as passive instruments for pH and cation homeostasis in acidophiles and an inorganic polyphosphate-driven metal resistance mechanism have also been proposed. Horizontal gene transfer in environmental m
Indexation
Artículo de publicación SCOPUS
Identifier
URI: https://repositorio.uchile.cl/handle/2250/155123
DOI: 10.4067/S0716-97602013000400008
ISSN: 07169760
07176287
Quote Item
Biological Research, Volumen 46, Issue 4, 2018, Pages 363-371
Collections