ArticleEnvironmental science and pollution research international2014
Characterization and cadmium-resistant gene expression of biofilm-forming marine bacterium Pseudomonas aeruginosa JP-11.
Article in Environmental science and pollution research international, 2014. 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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15 citing papers in PubMed, 96 citations in OpenAlex.
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- Heavy Metal Tolerance of Microorganisms Isolated from Coastal Marine Sediments and Their Lead Removal Potential.Microorganisms · 2023Article
- Oleic Acid Facilitates Cd Excretion by Increasing the Abundance ofInternational journal of molecular sciences · 2022Article
- Limited Role of Rhamnolipids on Cadmium Resistance for an Endogenous-Secretion Bacterium.International journal of environmental research and public health · 2022Article
- Recent advances in bacterial biosensing and bioremediation of cadmium pollution: a mini-review.World journal of microbiology & biotechnology · 2021Review
- Metal homeostasis in pathogenic Epsilonproteobacteria: mechanisms of acquisition, efflux, and regulation.Metallomics : integrated biometal science · 2021Review
- EndophyticBiotechnology reports (Amsterdam, Netherlands) · 2019Article
- Expression of metallothionein encoding gene bmtA in biofilm-forming marine bacterium Pseudomonas aeruginosa N6P6 and understanding its involvement in Pb(II) resistance and bioremediation.Environmental science and pollution research international · 2019Article
- Comparative Genomic Analysis Reveals the Distribution, Organization, and Evolution of Metal Resistance Genes in the GenusApplied and environmental microbiology · 2019Article
- Efficacy of forming biofilms by Pseudomonas migulae AN-1 toward in situ bioremediation of aniline-contaminated aquifer by groundwater circulation wells.Environmental science and pollution research international · 2016Article
- Synergistic effect of quorum sensing genes in biofilm development and PAHs degradation by a marine bacterium.Bioengineered · 2016Article
- Microbial Surface Colonization and Biofilm Development in Marine Environments.Microbiology and molecular biology reviews : MMBR · 2016Review
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2 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Biofilm-forming marine bacterium Pseudomonas aeruginosa JP-11 was isolated from coastal marine sediment of Paradeep Port, Odisha, East Coast, India, which resisted up to 1,000 ppm of cadmium (Cd) as cadmium chloride in aerobic conditions with a minimal inhibitory concentration of 1,250 ppm. Biomass and extracellular polymeric substances (EPS) secreted by the cells effectively removed 58.760 ± 10.62 and 29.544 ± 8.02 % of Cd, respectively. The integrated density of the biofilm-EPS observed under fluorescence microscope changed significantly (P ≤ 0.05) in the presence of 50, 250, 450, 650 and 850 ppm Cd. ATR-FTIR spectroscopy showed a peak at 2,365.09/cm in the presence of 50, 250, 450 and 650 ppm Cd which depicts the presence of sulphydryl group (-SH) within the EPS, whereas, a peak shift to 2,314.837/cm in the presence of 850 ppm Cd suggested the major role of this functional group in the binding with cadmium. On exposure to Cd at 100, 500 and 1,000 ppm, the expression profiles of cadmium resistance gene (czcABC) in the isolate showed an up-regulation of 3.52-, 17- and 24-fold, respectively. On the other hand, down-regulation was observed with variation in the optimum pH (6) and salinity (20 g l(-1)) level. Thus, the cadmium resistance gene expression increases on Cd stress up to the tolerance level, but an optimum pH and salinity are the crucial factors for proper functioning of cadmium resistance gene.
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