Universidad Peruana Cayetano Heredia

Extremely acidic eukaryotic (Micro) organisms: Life in acid mine drainage polluted environments—mini-review

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dc.contributor.author Luís, Ana Teresa
dc.contributor.author Córdoba, Francisco
dc.contributor.author Antunes, Catarina
dc.contributor.author Loayza Muro, Raul Augusto
dc.contributor.author Grande, José Antonio
dc.contributor.author Silva, Bruna
dc.contributor.author Diaz-Curiel, Jesus
dc.contributor.author Ferreira Da Silva, Eduardo
dc.date.accessioned 2022-02-17T19:23:13Z
dc.date.available 2022-02-17T19:23:13Z
dc.date.issued 2022
dc.identifier.uri https://hdl.handle.net/20.500.12866/11379
dc.description.abstract Acid Mine Drainage (AMD) results from sulfide oxidation, which incorporates hydrogen ions, sulfate, and metals/metalloids into the aquatic environment, allowing fixation, bioaccumulation and biomagnification of pollutants in the aquatic food chain. Acidic leachates from waste rock dams from pyritic and (to a lesser extent) coal mining are the main foci of Acid Mine Drainage (AMD) production. WhenAMDis incorporated into rivers, notable changes in water hydro-geochemistry and biota are observed. There is a high interest in the biodiversity of this type of extreme environments for several reasons. Studies indicate that extreme acid environments may reflect early Earth conditions, and are thus, suitable for astrobiological experiments as acidophilic microorganisms survive on the sulfates and iron oxides in AMD-contaminated waters/sediments, an analogous environment to Mars, other reasons are related to the biotechnological potential of extremophiles. In addition, AMD is responsible for decreasing the diversity and abundance of different taxa, as well as for selecting the most well-adapted species to these toxic conditions. Acidophilic and acidotolerant eukaryotic microorganisms are mostly composed by algae (diatoms and unicellular and filamentous algae), protozoa, fungi and fungi-like protists, and unsegmented pseudocoelomata animals such as Rotifera and micro-macroinvertebrates. In this work, a literature review summarizing the most recent studies on eukaryotic organisms and micro-organisms in Acid Mine Drainage-affected environments is elaborated. en_US
dc.language.iso eng
dc.publisher MDPI
dc.relation.ispartofseries International Journal of Environmental Research and Public Health
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject AMD (Acid Mine Drainage) en_US
dc.subject metal mining en_US
dc.subject extremophilic organism en_US
dc.subject green algae en_US
dc.subject micro-macroinvertebrates en_US
dc.subject fungi en_US
dc.subject Rotifera en_US
dc.subject Euglena en_US
dc.subject protozoa en_US
dc.title Extremely acidic eukaryotic (Micro) organisms: Life in acid mine drainage polluted environments—mini-review en_US
dc.type info:eu-repo/semantics/review
dc.identifier.doi https://doi.org/10.3390/ijerph19010376
dc.relation.issn 1660-4601


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