ArticleBMC microbiology2016
Microbial functional genes enriched in the Xiangjiang River sediments with heavy metal contamination.
Article in BMC microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Effect of Anthropogenic Disturbances on the Microbial Relationship during Bioremediation of Heavy Metal-Contaminated Sediment.Microorganisms · 2023Article
- Profiles and spatial distributions of heavy metals, microbial communities, and metal resistance genes in sediments from an urban river.Frontiers in microbiology · 2023Article
- Response mechanisms of bacterial communities and nitrogen cycle functional genes in millet rhizosphere soil to chromium stress.Frontiers in microbiology · 2023Article
- Dietary lead modulates the mouse intestinal microbiome: Subacute exposure to lead acetate and lead contaminated soil.Ecotoxicology and environmental safety · 2023Article
- Ingestion of remediated lead-contaminated soils affects the fecal microbiome of mice.The Science of the total environment · 2022Article
- Distribution Pattern and Influencing Factors of Heavy Metal Resistance Genes in the Yellow River Sediments of Henan Section.International journal of environmental research and public health · 2022Article
- Whole Transcriptome Profiling of the Effects of Cadmium on the Liver of the Xiangxi Yellow Heifer.Frontiers in veterinary science · 2022Article
- Employing gene chip technology for monitoring and assessing soil heavy metal pollution.Environmental monitoring and assessment · 2021Review
- Advances in characterizing microbial community change and resistance upon exposure to lead contamination: Implications for ecological risk assessment.Critical reviews in environmental science and technology · 2019Article
- Article
- Environmental Concentrations of Copper, Alone or in Mixture With Arsenic, Can Impact River Sediment Microbial Community Structure and Functions.Frontiers in microbiology · 2018Article
- Taxon-Function Decoupling as an Adaptive Signature of Lake Microbial Metacommunities Under a Chronic Polymetallic Pollution Gradient.Frontiers in microbiology · 2018Article
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundXiangjiang River (Hunan, China) has been contaminated with heavy metal for several decades by surrounding factories. However, little is known about the influence of a gradient of heavy metal contamination on the diversity, structure of microbial functional gene in sediment. To deeply understand the impact of heavy metal contamination on microbial community, a comprehensive functional gene array (GeoChip 5.0) has been used to study the functional genes structure, composition, diversity and metabolic potential of microbial community from three heavy metal polluted sites of Xiangjiang River.
resultsA total of 25595 functional genes involved in different biogeochemical processes have been detected in three sites, and different diversities and structures of microbial functional genes were observed. The analysis of gene overlapping, unique genes, and various diversity indices indicated a significant correlation between the level of heavy metal contamination and the functional diversity. Plentiful resistant genes related to various metal were detected, such as copper, arsenic, chromium and mercury. The results indicated a significantly higher abundance of genes involved in metal resistance including sulfate reduction genes (dsr) in studied site with most serious heavy metal contamination, such as cueo, mer, metc, merb, tehb and terc gene. With regard to the relationship between the environmental variables and microbial functional structure, S, Cu, Cd, Hg and Cr were the dominating factor shaping the microbial distribution pattern in three sites.
conclusionsThis study suggests that high level of heavy metal contamination resulted in higher functional diversity and the abundance of metal resistant genes. These variation therefore significantly contribute to the resistance, resilience and stability of the microbial community subjected to the gradient of heavy metals contaminant in Xiangjiang River.
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