ArticleBiometals : an international journal on the role of metal ions in biology, biochemistry, and medicine2022
Efficient and specific bioaccumulation of arsenic in the transgenic Escherichia coli expressing ArsR1 from Corynebacterium glutamicum.
Article in Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.
- Horizon scanning of potential environmental applications of terrestrial animals, fish, algae and microorganisms produced by genetic modification, including the use of new genomic techniques.Frontiers in genome editing · 2024Pooled it
- Operonic architecture of bacterial metal response: envelope constraints, evolutionary mobility, and bioremediation design rules.World journal of microbiology & biotechnology · 2026Review
- Quantifying arsenic-binding affinities of ArsR proteins via biomimetic self-assembly.Frontiers in microbiology · 2026Article
- Review
- Pavlovian-Type Learning in Environmental Bacteria: Regulation of Herbicide Resistance by Arsenic in Pseudomonas putida.Environmental microbiology · 2024Article
- The arsenic bioremediation using genetically engineered microbial strains on aquatic environments: An updated overview.Heliyon · 2024Review
- Synthetic bacteria designed using ars operons: a promising solution for arsenic biosensing and bioremediation.World journal of microbiology & biotechnology · 2024Review
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The toxic nature of arsenic has left a trail of disastrous health consequences around the world. Microorganisms have developed various strategies to deal with arsenic. The presence of plasmid and chromosomal ars operons is one of the most important mechanisms for the detoxification of arsenic in bacteria. ArsR is a trans-acting regulatory protein and acts as a repressor on ars operon. The gene encoding ArsR from Corynebacterium glutamicum (CgArsR1) was cloned in expression vectors pET28a. The resulting constructs were transformed into Escherichia coli strains Rosetta (DE3) and Rosetta gami 2. Following the induction with Isopropyl β-D-1-thiogalactopyranoside, the protein His-CgArsR1 was found in the soluble fraction of strain Rg-CgArsR1. For comparison, ArsR from E. coli was also overexpressed in E. coli (strain Rosetta gami 2) as His-EcArsR. A strain containing empty vector pET28a was also used as a control strain. In the medium containing either arsenite (0.5 mM) or arsenate (0.5 mM), the strain Rg-CgArsR1 and Rg-EcArsR were able to accumulate 1200 and 700 µg/g DCW As
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