The DOI matches its Crossref record; 64 of the 64 references it cites were found in a registry or an index.
Long-term and high-concentration heavy-metal contamination strongly influences the microbiome and functional genes in Yellow River sediments
Open accessAbstract
The world is facing a hard battle against soil pollution such as heavy metals. Metagenome sequencing, 16S rRNA sequencing, and quantitative polymerase chain reaction (qPCR) were used to examine microbial adaptation mechanism to contaminated sediments under natural conditions. Results showed that sediment from a tributary of the Yellow River, which was named Dongdagou River (DDG) supported less bacterial biomass and owned lower richness than sediment from Maqu (MQ), an uncontaminated site in the upper reaches of the Yellow River. Additionally, microbiome structures in these two sites were different. Metagenome sequencing and functional gene annotations revealed that sediment from DDG contains a larger number of genes related to DNA recombination, DNA damage repair, and heavy-metal resistance. KEGG pathway analysis indicated that the sediment of DDG contains a greater number of enzymes associated with heavy-metal resistance and reduction. Additionally, the bacterial phyla Proteobacteria, Bacteroidetes, and Firmicutes, which harbored a larger suite of metal-resistance genes, were found to be the core functional phyla in the contaminated sediments. Furthermore, sediment in DDG owned higher viral abundance, indicating virus-mediated heavy-metal resistance gene transfer might be an adaptation mechanism. In conclusion, microbiome of sediment from DDG has evolved into an integrated system resistant to long-term heavy-metal pollution.
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Cited by
Tirpak, R. A., Afrooz, A. N., Winston, R. J., Valenca, R., Schiff, K., & Mohanty, S. K. (2021) · Water Research · doi:10.1016/j.watres.2020.116648 · Cited by 201
Rahman, Z. (2020) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2020.122682 · Cited by 192
Metadata
- Authors
- Chen, Y., Jiang, Y., Huang, H., Mou, L., Ru, J., Zhao, J., & Xiao, S.
- Venue
- Science of The Total Environment
- Publisher
- Elsevier BV
- Published
- 2018-10
- Volume
- 637-638
- Pages
- 1400-1412
- ISSN
- 0048-9697 (ISSN-L)
- OpenAlex
- W2804060790
- Cited by
- 396
- References
- 64
- FWCI
- 10.37
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Chen, Y., Jiang, Y., Huang, H., Mou, L., Ru, J., Zhao, J., & Xiao, S. (2018). Long-term and high-concentration heavy-metal contamination strongly influences the microbiome and functional genes in Yellow River sediments. Science of The Total Environment. https://doi.org/10.1016/j.scitotenv.2018.05.109
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