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dc.contributor.author González, Daniella
dc.contributor.author Huber, Katharina J.
dc.contributor.author Tindall, Brian
dc.contributor.author Hedrich, Sabrina
dc.contributor.author Rojas-Villalobos, Camila
dc.contributor.author Quatrini, Raquel
dc.contributor.author Alejandro Dinamarca, M.
dc.contributor.author Ibacache-Quiroga, Claudia
dc.contributor.author Schwarz, Alex
dc.contributor.author Canales, Christian
dc.contributor.author Nancucheo, Ivan
dc.date.accessioned 2024-09-26T00:33:31Z
dc.date.available 2024-09-26T00:33:31Z
dc.date.issued 2020
dc.identifier.issn 1466-5026
dc.identifier.uri https://repositorio.uss.cl/handle/uss/12597
dc.description Publisher Copyright: © 2020 The Authors.
dc.description.abstract A novel acidophilic member of the phylum Actinobacteria was isolated from an acidic, metal-contaminated stream draining from an abandoned underground coal mine (Trongol mine), situated close to Curanilahue, Biobío Region, Chile. The isolate (USS-CCA1T) was demonstrated to be a heterotroph that catalysed under aerobic conditions the oxidation of ferrous iron and the reduction of ferric iron under anaerobic conditions, but not the oxidation of sulfur nor hydrogen. USS-CCA1T is a Gram-positive, motile, short rod-shaped, mesophilic bacterium with a temperature growth optimum at 30 °C (range 20–39 °C). It was catego-rized as an extreme acidophile growing between 1.7 and 4.5 and optimally at pH 3.0. The G+C content of the chromosomal DNA of the isolate was 74.1 mol%, which is highly related to Aciditerrimonas ferrireducens IC-180T, (the most closely related genus; 94.4% 16S rRNA gene identity), and higher than other acidophilic actinobacteria. The isolate (USS-CCA1T) was shown to form a distinct 16S rRNA clade from characterized acidophilic actinobacteria, well separated from the genera Acidimicrobium, Ferrimi-crobium, Ferrithrix, ‘Acidithrix’ and Aciditerrimonas. Genomic indexes (ANIb, DDH, AAI, POCP) derived from the USS-CCA1T draft genome sequence (deposited at DDBJ/ENA/GenBank under the accession WJHE00000000) support assignment of the isolate to a new species and a new genus within the Acidimicrobiaceae family. Isolate USS-CCA1T is the designated type strain of the novel species Acidiferrimicrobium australe (=DSM 106828T,=RGM 2506T). en
dc.language.iso eng
dc.relation.ispartof vol. 70 Issue: no. 5 Pages: 3348-3354
dc.source International Journal of Systematic and Evolutionary Microbiology
dc.title Acidiferrimicrobium australe gen. nov., sp. nov., an acidophilic and obligately heterotrophic, member of the actinobacteria that catalyses dissimilatory oxido-reduction of iron isolated from metal-rich acidic water in Chile en
dc.type Artículo
dc.identifier.doi 10.1099/ijsem.0.004179
dc.publisher.department Facultad de Ingeniería, Arquitectura y Diseño
dc.publisher.department Facultad de Medicina y Ciencia
dc.publisher.department Facultad de Ingeniería y Tecnología


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