ArticleEnvironmental science and pollution research international2017
Mercury-methylating genes dsrB and hgcA in soils/sediments of the Three Gorges Reservoir.
Article in Environmental science and pollution research international, 2017. 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.
- Functional Genes and Transcripts Indicate the Existent and Active Microbial Mercury-Methylating Community in Mangrove Intertidal Sediments of an Urbanized Bay.Microorganisms · 2024Article
- Recent advance of microbial mercury methylation in the environment.Applied microbiology and biotechnology · 2024Review
- Inhella proteolytica sp. nov. and Inhella gelatinilytica sp. nov., two novel species of the genus Inhella isolated from aquaculture water.Archives of microbiology · 2021Article
- Biotic formation of methylmercury: A bio-physico-chemical conundrum.Limnology and oceanography · 2020Review
- The Draft Genome Sequence of Pseudomonas putida Strain TGRB4, an Aerobic Bacterium Capable of Producing Methylmercury.Current microbiology · 2020Article
- Article
- An ImprovedFrontiers in microbiology · 2020Article
- Biosafety assessment of water samples from Wanzhou watershed of Yangtze Three Gorges Reservior in the quiet season in Caenorhabditis elegans.Scientific reports · 2018Article
- Diversity of microbial communities potentially involved in mercury methylation in rice paddies surrounding typical mercury mining areas in China.MicrobiologyOpen · 2018Article
- Vertical Distribution of Total Mercury and Mercury Methylation in a Landfill Site in Japan.International journal of environmental research and public health · 2018Article
- Toxicity evaluation of Wanzhou watershed of Yangtze Three Gorges Reservior in the flood season in Caenorhabditis elegans.Scientific reports · 2018Article
- Review
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Authors and funding
8 authors.
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Abstract
Previous research found that the water-level fluctuating zone (WLFZ) of the Three Gorges Reservoir (TGR) was an Hg-sensitive area. However, little research has been conducted on the distribution of Hg-methylating microorganisms in this area. The goal of this research was to provide an initial description of the distribution of the dsrB (for sulfate-reducing bacteria) and hgcA (one gene confirmed for Hg methylation) genes. Different types of soil were selected to analyze the abundance of the dsrB and hgcA in different periods, in inundated soil (SI, ≤155 m, which becomes sediment during the wet period, SS) and in non-inundated soil (≥175 m, SN) from Shibao, a typical WLFZ of the TGR. A significant positive correlation was observed between dsrB and hgcA abundance and MeHg concentrations, suggesting that microorganisms with these genes contribute to Hg methylation. Principal component analysis (PCA) indicated that dsrB diversity was highest in SI, followed by SS; SS had the highest diversity of hcgA. Six phylogenetic trees were constructed and showed that more strains were present in SI than in SS. HgcA sequences in SS were confined to three evolutionarily distant clades, δ-Proteobacteria, a methanogen group, and a Clostridia group, which was relatively rare among most clades.
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