ArticleEcotoxicology (London, England)2016
Genome sequencing reveals mechanisms for heavy metal resistance and polycyclic aromatic hydrocarbon degradation in Delftia lacustris strain LZ-C.
Article in Ecotoxicology (London, England), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 72 citations in OpenAlex.
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- Characterization and Genomic Analysis of the Naphthalene-DegradingMicroorganisms · 2023Article
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- Enrichment and characterization of an effective hexavalent chromium-reducing microbial community YEM001.Environmental science and pollution research international · 2021Article
- Genomic analysis of Bacillus cereus NWUAB01 and its heavy metal removal from polluted soil.Scientific reports · 2020Article
- Glycine betaine enhances biodegradation of phenol in high saline environments by the halophilic strainRSC advances · 2019Article
- China's most typical nonferrous organic-metal facilities own specific microbial communities.Scientific reports · 2018Article
- Complete genome sequence of the sesame pathogen Ralstonia solanacearum strain SEPPX 05.Genes & genomics · 2018Article
- The naphthalene catabolic protein NahG plays a key role in hexavalent chromium reduction in Pseudomonas brassicacearum LZ-4.Scientific reports · 2017Article
- Improving methane production in cow dung and corn straw co-fermentation systems via enhanced degradation of cellulose by cabbage addition.Scientific reports · 2016Article
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7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Strain LZ-C, isolated from a petrochemical wastewater discharge site, was found to be resistant to heavy metals and to degrade various aromatic compounds, including naphenol, naphthalene, 2-methylnaphthalene and toluene. Data obtained from 16S rRNA gene sequencing showed that this strain was closely related to Delftia lacustris. The 5,889,360 bp genome of strain LZ-C was assembled into 239 contigs and 197 scaffolds containing 5855 predicted open reading frames (ORFs). Among these predicted ORFs, 464 were different from the type strain of Delftia. The minimal inhibitory concentrations were 4 mM, 30 µM, 2 mM and 1 mM for Cr(VI), Hg(II), Cd(II) and Pb(II), respectively. Both genome sequencing and quantitative real-time PCR data revealed that genes related to Chr, Czc and Mer family genes play important roles in heavy metal resistance in strain LZ-C. In addition, the Na(+)/H(+) antiporter NhaA is important for adaptation to high salinity resistance (2.5 M NaCl). The complete pathways of benzene and benzoate degradation were identified through KEGG analysis. Interestingly, strain LZ-C also degrades naphthalene but lacks the key naphthalene degradation gene NahA. Thus, we propose that strain LZ-C exhibits a novel protein with a function similar to NahA. This study is the first to reveal the mechanisms of heavy metal resistance and salinity tolerance in D. lacustris and to identify a potential 2-methylnaphthalene degradation protein in this strain. Through whole-genome sequencing analysis, strain LZ-C might be a good candidate for the bioremediation of heavy metals and polycyclic aromatic hydrocarbons.
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