ArticleMicrobiologyOpen2012
Tellurite enters Escherichia coli mainly through the PitA phosphate transporter.
Article in MicrobiologyOpen, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 34 citations in OpenAlex.
- Article
- Characterization of Tellurite Toxicity toInternational journal of molecular sciences · 2025Article
- Exploring the Potential of Glutathione Reductase Overexpression to Improve Tellurium Nanoparticle Production inInternational journal of molecular sciences · 2025Article
- Impact of ISFrontiers in microbiology · 2025Article
- Insights into the Synergistic Antibacterial Activity of Silver Nitrate with Potassium Tellurite againstMicrobiology spectrum · 2023Article
- Tellurite and Selenite: how can these two oxyanions be chemically different yet so similar in the way they are transformed to their metal forms by bacteria?Biological research · 2022Review
- Biomineralization of lithium nanoparticles by Li-resistant Pseudomonas rodhesiae isolated from the Atacama salt flat.Biological research · 2022Article
- Tellurium: A Rare Element with Influence on Prokaryotic and Eukaryotic Biological Systems.International journal of molecular sciences · 2021Review
- Microbial Musings - February 2021.Microbiology (Reading, England) · 2021Article
- Extreme Environments and High-Level Bacterial Tellurite Resistance.Microorganisms · 2019Review
- Synthesis of salt-stable fluorescent nanoparticles (quantum dots) by polyextremophile halophilic bacteria.Scientific reports · 2019Article
- Reduction of Gold (III) and Tellurium (IV) byFrontiers in microbiology · 2018Article
- Article
- The ins and outs of metal homeostasis by the root nodule actinobacterium Frankia.BMC genomics · 2014Article
- Antimicrobial activity of metals: mechanisms, molecular targets and applications.Nature reviews. Microbiology · 2013Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Several transporters suspected to be involved in tellurite uptake in Escherichia coli were analyzed. Results showed that the PitA phosphate transporter was related to tellurite uptake. Escherichia coli ΔpitA was approximately four-fold more tolerant to tellurite, and cell viability remained almost unchanged during prolonged exposure to the toxicant as compared with wild type or ΔpitB cells. Notably, reduced thiols (toxicant targets) as well as superoxide dismutase, catalase, and fumarase C activities did not change when exposing the ΔpitA strain to tellurite, suggesting that tellurite-triggered oxidative damage is attenuated in the absence of PitA. After toxicant exposure, remaining extracellular tellurite was higher in E. coli ΔpitA than in control cells. Whereas inductively coupled plasma atomic emission spectrometric studies confirmed that E. coli ΔpitA accumulates ∼50% less tellurite than the other strains under study, tellurite strongly inhibited (32)P(i) uptake suggesting that the PitA transporter is one of the main responsible for tellurite uptake in this bacterium.
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