ArticleApplied and environmental microbiology2010
Ecophysiology of Fe-cycling bacteria in acidic sediments.
Article in Applied and environmental microbiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.
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Who cites it
48 citing papers in PubMed.
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- Characteristics and Functions of Rhizosphere Bacterial Communities of Camelli sinensis cv. Shifocui with Cold Resistance Characteristics in Anhui Province, China.Current microbiology · 2024Article
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- Mixotrophy broadens the ecological niche range of the iron oxidizer Sideroxydans sp. CL21 isolated from an iron-rich peatland.FEMS microbiology ecology · 2023Article
- Winogradsky Bioelectrochemical System as a Novel Strategy to Enrich Electrochemically Active Microorganisms from Arsenic-Rich Sediments.Micromachines · 2022Article
- Conservation state of two paintings in the Santa Margherita cliff cave: role of the environment and of the microbial community.Environmental science and pollution research international · 2022Article
- Enhancement Mechanism of Stibnite Dissolution Mediated byInternational journal of molecular sciences · 2022Article
- Bacterial communities in the rhizosphere of biofortified BRS pontal and conventional carioca bean (Phaseolus vulgaris) plants.Archives of microbiology · 2021Article
- Draft Genome Sequences ofMicrobiology resource announcements · 2021Article
- Influence of elemental sulfur on cadmium bioavailability, microbial community in paddy soil and Cd accumulation in rice plants.Scientific reports · 2021Article
- Legume-microbiome interactions unlock mineral nutrients in regrowing tropical forests.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Temporal Microbial Community Dynamics Within a Unique Acid Saline Lake.Frontiers in microbiology · 2021Article
- Ferric Iron Reduction in Extreme Acidophiles.Frontiers in microbiology · 2021Review
- Mixotrophic Iron-OxidizingApplied and environmental microbiology · 2020Article
- A combined physical-chemical and microbiological approach to unveil the fabrication, provenance, and state of conservation of the Kinkarakawa-gami art.Scientific reports · 2020Article
- Role of cost-effective organic carbon substrates in bioremediation of acid mine drainage-impacted soil of Malanjkhand Copper Project, India: a biostimulant for autochthonous microbial populations.Environmental science and pollution research international · 2020Article
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6 authors.
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Abstract
Using a combination of cultivation-dependent and -independent methods, this study aimed to elucidate the diversity of microorganisms involved in iron cycling and to resolve their in situ functional links in sediments of an acidic lignite mine lake. Using six different media with pH values ranging from 2.5 to 4.3, 117 isolates were obtained that grouped into 38 different strains, including 27 putative new species with respect to the closest characterized strains. Among the isolated strains, 22 strains were able to oxidize Fe(II), 34 were able to reduce Fe(III) in schwertmannite, the dominant iron oxide in this lake, and 21 could do both. All isolates falling into the Gammaproteobacteria (an unknown Dyella-like genus and Acidithiobacillus-related strains) were obtained from the top acidic sediment zones (pH 2.8). Firmicutes strains (related to Bacillus and Alicyclobacillus) were only isolated from deep, moderately acidic sediment zones (pH 4 to 5). Of the Alphaproteobacteria, Acidocella-related strains were only isolated from acidic zones, whereas Acidiphilium-related strains were isolated from all sediment depths. Bacterial clone libraries generally supported and complemented these patterns. Geobacter-related clone sequences were only obtained from deep sediment zones, and Geobacter-specific quantitative PCR yielded 8 × 10(5) gene copy numbers. Isolates related to the Acidobacterium, Acidocella, and Alicyclobacillus genera and to the unknown Dyella-like genus showed a broad pH tolerance, ranging from 2.5 to 5.0, and preferred schwertmannite to goethite for Fe(III) reduction. This study highlighted the variety of acidophilic microorganisms that are responsible for iron cycling in acidic environments, extending the results of recent laboratory-based studies that showed this trait to be widespread among acidophiles.
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