Biooxidation of Arsenopyrite by Acidithiobacillus ferriphilus QBS 3 Exhibits Arsenic Resistance Under Extremely Acidic Bioleaching Conditions DOI Creative Commons

R. R. Liu,

Siyu Liu,

Xiaoxuan Bai

et al.

Biology, Journal Year: 2025, Volume and Issue: 14(5), P. 550 - 550

Published: May 15, 2025

As arsenopyrite is a typical arsenic-bearing sulfide ore, the biooxidation process of great significance for extraction gold from ores and generation acid mine drainage. During arsenopyrite, large amount arsenic produced, which inhibits growth metabolism microorganisms thus affects ores. Therefore, screening enrichment with high resistance have become important aspects in study biooxidation. described this paper, through acclimation, maximum tolerance concentration Acidithiobacillus ferriphilus QBS 3 isolated arsenic-containing drainage was increased to 80 mM As(Ⅲ) 100 As(V). Microorganisms showed better bioleaching performance arsenopyrite. After 18 days bioleaching, leaching rate reached 100% at pulp 0.5%, after 30 79.96% 1%. Currently, research on mainly focuses control optimization environmental conditions, but there been few studies protein gene levels. combining results one-month experiment by A. analysis genes, model constructed, laid an experimental basis theoretical foundation improving recovery refractory exploring mechanism during process.

Language: Английский

A bacteriophage-conditional mouse model reveals the impact of phages within a conventionally colonized gut microbiota DOI

Hollyn Claire Franklin,

Rita Makhlouf,

Anh D. Ha

et al.

Cell Host & Microbe, Journal Year: 2025, Volume and Issue: unknown

Published: April 1, 2025

Language: Английский

Citations

0
Biooxidation of Arsenopyrite by Acidithiobacillus ferriphilus QBS 3 Exhibits Arsenic Resistance Under Extremely Acidic Bioleaching Conditions DOI Creative Commons

R. R. Liu,

Siyu Liu,

Xiaoxuan Bai

et al.

Biology, Journal Year: 2025, Volume and Issue: 14(5), P. 550 - 550

Published: May 15, 2025

As arsenopyrite is a typical arsenic-bearing sulfide ore, the biooxidation process of great significance for extraction gold from ores and generation acid mine drainage. During arsenopyrite, large amount arsenic produced, which inhibits growth metabolism microorganisms thus affects ores. Therefore, screening enrichment with high resistance have become important aspects in study biooxidation. described this paper, through acclimation, maximum tolerance concentration Acidithiobacillus ferriphilus QBS 3 isolated arsenic-containing drainage was increased to 80 mM As(Ⅲ) 100 As(V). Microorganisms showed better bioleaching performance arsenopyrite. After 18 days bioleaching, leaching rate reached 100% at pulp 0.5%, after 30 79.96% 1%. Currently, research on mainly focuses control optimization environmental conditions, but there been few studies protein gene levels. combining results one-month experiment by A. analysis genes, model constructed, laid an experimental basis theoretical foundation improving recovery refractory exploring mechanism during process.

Language: Английский

Citations

0