ArticleBioresources and bioprocessing2016
Degradation study of lindane by novel strains
Article in Bioresources and bioprocessing, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 44 citations in OpenAlex.
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- Assessment of Uptake, Accumulation and Degradation of Paracetamol in Spinach (Plants (Basel, Switzerland) · 2022Article
- Biodegradation of technical hexachlorocyclohexane by Cupriavidus malaysiensis.World journal of microbiology & biotechnology · 2022Article
- Lindane removal in contaminated soil by defined microbial consortia and evaluation of its effectiveness by bioassays and cytotoxicity studies.International microbiology : the official journal of the Spanish Society for Microbiology · 2022Article
- Actinobacteria: An eco-friendly and promising technology for the bioaugmentation of contaminants.Biotechnology reports (Amsterdam, Netherlands) · 2021Review
- Isolation, characterization and identification of pesticide degrading bacteria from contaminated soil for bioremediation.Biologia futura · 2021Article
- Insights Into the Biodegradation of Lindane (γ-Hexachlorocyclohexane) Using a Microbial System.Frontiers in microbiology · 2020Review
- Bacterial communities in natural versus pesticide-treated Aphis gossypii populations in North China.MicrobiologyOpen · 2019Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThis study was carried out to isolate and characterize the bacterial strains from lindane-contaminated soil and they were also assessed for their lindane-degrading potential.
methodsIn this study the enrichment culture method was used for isolation of lindane degrading bacterial isolates, in which the mineral salt medium (MSM) supplemented with different concentrations of lindane was used. Further, the screening for the potential lindane degrading isolates was done using the spray plate method and colorimetric dechlorinase enzyme assay. The selected isolates were also studied for their growth response under varying range of temperature, pH, and NaCl. The finally selected isolates DAB-1Y and DAB-1W showing best lindane degradation activity was further subjected to biochemical characterization, microscopy, degradation/kinetic study, and 16S rDNA sequencing. The strain identification were performed using the biochemical characterization, microscopy and the species identifies by 16S rDNA sequence of the two isolates using the standard 16S primers, the 16 S rRNA partial sequence was analyzed through BLAST analysis and phylogenetic tree was generated based on UGPMA clustering method using MEGA7 software. This shows the phylogenetic relationship with the related strains. The two isolates of this study were finally characterized as
resultsOut of the 20 isolates, the isolates DAB-1Y and DAB-1W exhibited best lindane-degrading activity of 94 and 98%, respectively, recorded after 8 days of incubation. The optimum growth was observed at temperature 30 °C, pH 7, and 5% NaCl observed for both isolates. Of the four isomers of hexachlorocyclohexane, isomer α and γ were the fastest degrading isomers, which were degraded up to 86 and 94% by isolates DAB-1Y and up to 93 and 98% by DAB-1W, respectively, reported after 8 days incubation. Isomer β was highly recalcitrant in which maximum 35 and 32% lindane degradation was observed even after 28 days incubation by isolates, DAB-1Y and DAB-1W, respectively. At lower lindane concentrations (1-10 mg/L), specific growth rate increased with increase in lindane concentration, maximum being 0.008 and 0.006/day for DAB-1Y and DAB-1W, respectively. The 16 S rRNA partial sequence of isolate DAB-1Y showed similarity with
conclusionsThis study has demonstrated that
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