ArticleApplied and environmental microbiology2001
Characterization of the reduction of selenate and tellurite by nitrate reductases.
Article in Applied and environmental microbiology, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers, 1 of them a synthesis that pooled it.
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Who cites it
58 citing papers in PubMed, 1 synthesis or guideline pooled it, 204 citations in OpenAlex.
- Microbial mechanisms to transform the super-trace element tellurium: a systematic review and discussion of nanoparticulate phases.World journal of microbiology & biotechnology · 2023Pooled it
- Recent advances in biosynthesis of metal chalcogenides from wastewater: Scale-up technologies and industrial applications.World journal of microbiology & biotechnology · 2026Review
- Microbial zonation and functional roles in the gut of white grub (Maladera insanabilis) larvae.Scientific reports · 2026Article
- An atlas of plant selenium metabolism.The New phytologist · 2026Review
- Biosynthesis and Export of Membrane-Enveloped Selenium Nanoparticles byEnvironmental science & technology · 2026Article
- Investigating the role of bacterial raw milk community members in chlorate reduction.Access microbiology · 2026Article
- Genomic Insights into Selenate Reduction byMicroorganisms · 2025Article
- Antimicrobial efficacy and amino acid substitutions associated with susceptibility to the tellurium compound AS101 against Haemophilus influenzae and Haemophilus parainfluenzae.International microbiology : the official journal of the Spanish Society for Microbiology · 2025Article
- Clinical and mechanistic insights into biomedical application of Se-enriched probiotics and biogenic selenium nanoparticles.Biotechnology letters · 2025Review
- Understanding Biomineralization Mechanisms to Produce Size-Controlled, Tailored Nanocrystals for Optoelectronic and Catalytic Applications: A Review.ACS applied nano materials · 2024Review
- The Genome ofMicroorganisms · 2023Article
- Enhancing tellurite and selenite bioconversions by overexpressing a methyltransferase from Aromatoleum sp. CIB.Microbial biotechnology · 2023Article
- Simultaneous bioremediation of phenol and tellurite by Lysinibacillus sp. EBL303 and characterization of biosynthesized Te nanoparticles.Scientific reports · 2023Article
- Biogenic Selenium Nanoparticles and Their Anticancer Effects Pertaining to Probiotic Bacteria-A Review.Antioxidants (Basel, Switzerland) · 2022Review
- Potential of tellurite resistance in heterotrophic bacteria from mining environments.iScience · 2022Article
- Transcriptomic Analysis of the Dual Response of Rhodococcus aetherivorans BCP1 to Inorganic Arsenic Oxyanions.Applied and environmental microbiology · 2022Article
- 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
- Anaerobic RSH-dependent tellurite reduction contributes to Escherichia coli tolerance against tellurite.Biological research · 2022Article
- Methane-dependent selenate reduction by a bacterial consortium.The ISME journal · 2021Article
- Tellurium: A Rare Element with Influence on Prokaryotic and Eukaryotic Biological Systems.International journal of molecular sciences · 2021Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Preliminary studies showed that the periplasmic nitrate reductase (Nap) of Rhodobacter sphaeroides and the membrane-bound nitrate reductases of Escherichia coli are able to reduce selenate and tellurite in vitro with benzyl viologen as an electron donor. In the present study, we found that this is a general feature of denitrifiers. Both the periplasmic and membrane-bound nitrate reductases of Ralstonia eutropha, Paracoccus denitrificans, and Paracoccus pantotrophus can utilize potassium selenate and potassium tellurite as electron acceptors. In order to characterize these reactions, the periplasmic nitrate reductase of R. sphaeroides f. sp. denitrificans IL106 was histidine tagged and purified. The V(max) and K(m) were determined for nitrate, tellurite, and selenate. For nitrate, values of 39 micromol x min(-1) x mg(-1) and 0.12 mM were obtained for V(max) and K(m), respectively, whereas the V(max) values for tellurite and selenate were 40- and 140-fold lower, respectively. These low activities can explain the observation that depletion of the nitrate reductase in R. sphaeroides does not modify the MIC of tellurite for this organism.
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