ArticleApplied and environmental microbiology2005
Bacterial degradation of cyanide and its metal complexes under alkaline conditions.
Article in Applied and environmental microbiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 143 citations in OpenAlex.
- Real-time NMR monitoring of HMF biotransformation by Ectopseudomonas oleovorans CECT 5344 R1D.Applied microbiology and biotechnology · 2026Article
- Microorganisms and functional genes in an aerobic-anoxic integrated gold mine wastewater treatment system.World journal of microbiology & biotechnology · 2026Article
- Characterization of a Periplasmic D-Malate:CytochromeInternational journal of molecular sciences · 2025Article
- Genomic Insights into Cyanide Biodegradation in theInternational journal of molecular sciences · 2024Article
- Proteomic Analysis of Arsenic Resistance during Cyanide Assimilation byInternational journal of molecular sciences · 2023Article
- Alternative Pathway for 3-Cyanoalanine Assimilation in Pseudomonas pseudoalcaligenes CECT5344 under Noncyanotrophic Conditions.Microbiology spectrum · 2021Article
- Article
- Microbial (Enzymatic) Degradation of Cyanide to Produce Pterins as Cofactors.Current microbiology · 2020Review
- New evolving strategies revealed by transcriptomic analysis of a furMicrobial biotechnology · 2020Article
- Role of the Dihydrodipicolinate Synthase DapA1 on Iron Homeostasis During Cyanide Assimilation by the Alkaliphilic BacteriumFrontiers in microbiology · 2020Article
- Article
- Cyanate Assimilation by the Alkaliphilic Cyanide-Degrading BacteriumInternational journal of molecular sciences · 2019Article
- Novel cyanide electro-biodegradation usingJournal of environmental health science & engineering · 2018Article
- Assimilation of cyanide and cyano-derivatives by Pseudomonas pseudoalcaligenes CECT5344: from omic approaches to biotechnological applications.FEMS microbiology letters · 2018Article
- A Cyanide-Induced 3-Cyanoalanine Nitrilase in the Cyanide-Assimilating Bacterium Pseudomonas pseudoalcaligenes Strain CECT 5344.Applied and environmental microbiology · 2017Article
- Article
- Biological Treatment of Cyanide by UsingFood technology and biotechnology · 2016Article
- Free cyanide and thiocyanate biodegradation by Pseudomonas aeruginosa STK 03 capable of heterotrophic nitrification under alkaline conditions.3 Biotech · 2016Article
- Pseudomonas pseudoalcaligenes CECT5344, a cyanide-degrading bacterium with by-product (polyhydroxyalkanoates) formation capacity.Microbial cell factories · 2015Article
- Spectral characterization of a pteridine derivative from cyanide-utilizing bacterium Bacillus subtilis - JN989651.Journal of microbiology (Seoul, Korea) · 2015Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A bacterial strain able to use cyanide as the sole nitrogen source under alkaline conditions has been isolated. The bacterium was classified as Pseudomonas pseudoalcaligenes by comparison of its 16S RNA gene sequence to those of existing strains and deposited in the Coleccion Espanola de Cultivos Tipo (Spanish Type Culture Collection) as strain CECT5344. Cyanide consumption is an assimilative process, since (i) bacterial growth was concomitant and proportional to cyanide degradation and (ii) the bacterium stoichiometrically converted cyanide into ammonium in the presence of l-methionine-d,l-sulfoximine, a glutamine synthetase inhibitor. The bacterium was able to grow in alkaline media, up to an initial pH of 11.5, and tolerated free cyanide in concentrations of up to 30 mM, which makes it a good candidate for the biological treatment of cyanide-contaminated residues. Both acetate and d,l-malate were suitable carbon sources for cyanotrophic growth, but no growth was detected in media with cyanide as the sole carbon source. In addition to cyanide, P. pseudoalcaligenes CECT5344 used other nitrogen sources, namely ammonium, nitrate, cyanate, cyanoacetamide, nitroferricyanide (nitroprusside), and a variety of cyanide-metal complexes. Cyanide and ammonium were assimilated simultaneously, whereas cyanide strongly inhibited nitrate and nitrite assimilation. Cyanase activity was induced during growth with cyanide or cyanate, but not with ammonium or nitrate as the nitrogen source. This result suggests that cyanate could be an intermediate in the cyanide degradation pathway, but alternative routes cannot be excluded.
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