Bacterial communities in PAH contaminated soils at an electronic-waste processing center in China

Wen Zhang; Hui Wang; Rui Zhang; Xie Zhi Yu; Pei Yuan Qian; M. H. Wong

doi:10.1007/s10646-009-0393-3

Bacterial communities in PAH contaminated soils at an electronic-waste processing center in China

Wen Zhang, Hui Wang, Rui Zhang, Xie Zhi Yu, Pei Yuan Qian, M. H. Wong

Department of Biology

Research output: Contribution to journal › Journal article › peer-review

94 Citations (Scopus)

Abstract

Surface soils from Guiyu, China (an intense e-waste processing center) were analyzed for persistent organic pollutants (POPs) and variations in composition of the resident bacterial communities. Denaturing Gradient Gel Electrophoresis analysis of bacterial 16S rRNA gene showed that e-waste pollution altered the bacterial community structure by promoting changes in species composition and species richness. Bacterial diversity was not decreased at e-waste open-burning sites, compared with a non e-waste site (reservoir site), due to flourishing of possible POPs-consuming bacterial cohorts. PAH-incubated experiments confirmed that different levels of PAHs might affect the bacterial community by suppressing or favoring certain groups of bacteria, for instance, uncultured Clostridium sp. and Massilia sp., respectively. Taxonomic analysis indicated β-proteobacteria and Firmicutes were abundant bacterial lineages in PAH-polluted soils. This study is the first reporting bacterial community structures at e-waste processing sites, and indicated that crude processing of e-waste has become a biohazard to the terrestrial environment warranting more extensive studies of microbial communities at e-waste polluted environments.

Original language	English
Pages (from-to)	96-104
Number of pages	9
Journal	Ecotoxicology
Volume	19
Issue number	1
DOIs	https://doi.org/10.1007/s10646-009-0393-3
Publication status	Published - Jan 2010

Scopus Subject Areas

Toxicology
Management, Monitoring, Policy and Law
Health, Toxicology and Mutagenesis

User-Defined Keywords

DGGE
Electronic-waste
Open burning
PAHs

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1007/s10646-009-0393-3

Cite this

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title = "Bacterial communities in PAH contaminated soils at an electronic-waste processing center in China",

abstract = "Surface soils from Guiyu, China (an intense e-waste processing center) were analyzed for persistent organic pollutants (POPs) and variations in composition of the resident bacterial communities. Denaturing Gradient Gel Electrophoresis analysis of bacterial 16S rRNA gene showed that e-waste pollution altered the bacterial community structure by promoting changes in species composition and species richness. Bacterial diversity was not decreased at e-waste open-burning sites, compared with a non e-waste site (reservoir site), due to flourishing of possible POPs-consuming bacterial cohorts. PAH-incubated experiments confirmed that different levels of PAHs might affect the bacterial community by suppressing or favoring certain groups of bacteria, for instance, uncultured Clostridium sp. and Massilia sp., respectively. Taxonomic analysis indicated β-proteobacteria and Firmicutes were abundant bacterial lineages in PAH-polluted soils. This study is the first reporting bacterial community structures at e-waste processing sites, and indicated that crude processing of e-waste has become a biohazard to the terrestrial environment warranting more extensive studies of microbial communities at e-waste polluted environments.",

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note = "Funding Information: Acknowledgments The authors thank Y. M. Tam for assistance in sequencing work. Financial support from The Research Grants Council of the University Grants Committee of Hong Kong (Central Allocation Group Research Project HKBU 1/03C) and a private donation is gratefully acknowledged.",

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AU - Wong, M. H.

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N2 - Surface soils from Guiyu, China (an intense e-waste processing center) were analyzed for persistent organic pollutants (POPs) and variations in composition of the resident bacterial communities. Denaturing Gradient Gel Electrophoresis analysis of bacterial 16S rRNA gene showed that e-waste pollution altered the bacterial community structure by promoting changes in species composition and species richness. Bacterial diversity was not decreased at e-waste open-burning sites, compared with a non e-waste site (reservoir site), due to flourishing of possible POPs-consuming bacterial cohorts. PAH-incubated experiments confirmed that different levels of PAHs might affect the bacterial community by suppressing or favoring certain groups of bacteria, for instance, uncultured Clostridium sp. and Massilia sp., respectively. Taxonomic analysis indicated β-proteobacteria and Firmicutes were abundant bacterial lineages in PAH-polluted soils. This study is the first reporting bacterial community structures at e-waste processing sites, and indicated that crude processing of e-waste has become a biohazard to the terrestrial environment warranting more extensive studies of microbial communities at e-waste polluted environments.

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Bacterial communities in PAH contaminated soils at an electronic-waste processing center in China

Abstract

Scopus Subject Areas

User-Defined Keywords

UN SDGs

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