Recent progress in biohydrometallurgy and microbial characterisation

AH Kaksonen, NJ Boxall, Y Gumulya, HN Khaleque… - Hydrometallurgy, 2018 - Elsevier
Since the discovery of microbiological metal dissolution, numerous biohydrometallurgical
approaches have been developed to use microbially assisted aqueous extractive metallurgy …

Omics technology draws a comprehensive heavy metal resistance strategy in bacteria

AA Halema, HS El-Beltagi, O Al-Dossary… - World Journal of …, 2024 - Springer
The rapid industrial revolution significantly increased heavy metal pollution, becoming a
major global environmental concern. This pollution is considered as one of the most harmful …

In a quest for engineering acidophiles for biomining applications: challenges and opportunities

Y Gumulya, NJ Boxall, HN Khaleque, V Santala… - Genes, 2018 - mdpi.com
Biomining with acidophilic microorganisms has been used at commercial scale for the
extraction of metals from various sulfide ores. With metal demand and energy prices on the …

[HTML][HTML] Genomics of prokaryotic extremophiles to unfold the mystery of survival in extreme environments

R Salwan, V Sharma - Microbiological research, 2022 - Elsevier
The organisms surviving in extreme environments deploy system support including self-
protection, and energy distribution to counter extreme environmental stresses. The …

Biodesulfurization of high sulfur fat coal with indigenous and exotic microorganisms

J Ye, P Zhang, G Zhang, S Wang, M Nabi… - Journal of Cleaner …, 2018 - Elsevier
Coal is the most abundant fossil fuel in the world and its combustion accompanies with the
emission of SO X, which is responsible for serious environmental problems. To reduce the …

[HTML][HTML] Indirect in situ bioleaching is an emerging tool for accessing deeply buried metal reserves, but can the process be managed?–A case study of copper …

M Bomberg, H Miettinen, R Hajdu-Rahkama… - … Technology & Innovation, 2023 - Elsevier
Copper is a strategic raw material widely needed for electrification. One possibility to
diversify the supply to answer the market demand is to produce copper with in situ …

Comparative Genomic Analysis Reveals the Distribution, Organization, and Evolution of Metal Resistance Genes in the Genus Acidithiobacillus

L Li, Z Liu, D Meng, X Liu, X Li, M Zhang… - Applied and …, 2019 - journals.asm.org
Members of the genus Acidithiobacillus, which can adapt to extremely high concentrations of
heavy metals, are universally found at acid mine drainage (AMD) sites. Here, we performed …

Prediction and Inferred Evolution of Acid Tolerance Genes in the Biotechnologically Important Acidihalobacter Genus

K Boase, C González, E Vergara, G Neira… - Frontiers in …, 2022 - frontiersin.org
Acidihalobacter is a genus of acidophilic, gram-negative bacteria known for its ability to
oxidize pyrite minerals in the presence of elevated chloride ions, a capability rare in other …

Mechanisms of NaCl-tolerance in acidophilic iron-oxidizing bacteria and archaea: comparative genomic predictions and insights

J Rivera-Araya, ND Huynh, M Kaszuba, R Chavez… - Hydrometallurgy, 2020 - Elsevier
For most acidophilic iron-oxidizing bioleaching microorganisms, chloride ions are toxic even
at low concentrations since they are able to induce an acidification of the cytoplasm and …

Uncovering the Mechanisms of Halotolerance in the Extremely Acidophilic Members of the Acidihalobacter Genus Through Comparative Genome Analysis

HN Khaleque, C González, R Shafique… - Frontiers in …, 2019 - frontiersin.org
There are few naturally occurring environments where both acid and salinity stress exist
together, consequently, there has been little evolutionary pressure for microorganisms to …