Jing Bai

Hunan University of Humanities, Science and Technology

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Yu Zheng

Hunan University of Humanities, Science and Technology

Renyan Duan

Hunan University of Humanities, Science and Technology

Guohong Xiang

Hunan University of Humanities, Science and Technology

Linyu Chen

Xi'an Jiaotong University

Xiaoqi Yang

Huazhong Agricultural University

Yongtao Li

South China Agricultural University

Yuyang Deng

China Tobacco

Lin Zhong

Chinese Academy of Sciences

Can Liu

Southwest Forestry University

Wenyan Li

Shandong Normal University

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Hunan University of Humanities, Science and Technology

Chinese Academy of Sciences

South China Agricultural University

University of Chinese Academy of Sciences

Institute of Subtropical Agriculture

Nanjing Forestry University

Peking University

Central South University

Sun Yat-sen University

Guangdong Ocean University

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Mechanisms of the enhanced DDT removal from soils by earthworms: Identification of DDT degraders in drilosphere and non-drilosphere matrices

Journal of Hazardous Materials (2020)

Huijuan Xu Jing Bai Wenyan Li J. Colin Murrell Yulong Zhang

Stable-isotope probing

Bioaugmentation

Brevibacterium

10.1016/j.jhazmat.2020.124006

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Citations (32)

Integrated physiological, intestinal microbiota, and metabolomic responses of adult zebrafish (Danio rerio) to subacute exposure to antimony at environmentally relevant concentrations

Ecotoxicology and Environmental Safety (2024)

Can Liu Dongmei Huang Xiangquan Sheng Jianzhong Zhu Dong Si

The available information regarding the impact of antimony (Sb), a novel environmental pollutant, on the intestinal microbiota and host health is limited. In this study, we conducted physiological characterizations to investigate the response of adult zebrafish to different environmental concentrations (0, 30, 300, and 3000 µg/L) of Sb over a period of 14 days. Biochemical and pathological changes demonstrated that Sb effectively compromised the integrity of the intestinal physical barrier and induced inflammatory responses as well as oxidative stress. Analysis of both intestinal microbial community and metabolome revealed that exposure to 0 and 30 µg/L of Sb resulted in similar microbiota structures; however, exposure to 300 µg/L altered microbial communities' composition (e.g., a decline in genus Cetobacterium and an increase in Vibrio). Furthermore, exposure to 300 µg/L significantly decreased levels of bile acids and glycerophospholipids while triggering intestinal inflammation but activating self-protective mechanisms such as antibiotic presence. Notably, even exposure to 30 µg/L of Sb can trigger dysbiosis of intestinal microbiota and metabolites, potentially impacting fish health through the "microbiota-intestine-brain axis" and contributing to disease initiation. This study provides valuable insights into toxicity-related information concerning environmental impacts of Sb on aquatic organisms with significant implications for developing management strategies.

Danio

10.1016/j.ecoenv.2024.116326

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Distributions and risks of Cu, Cd, Pb and Zn in soils and rice in the North River Basin, South China

Earth and Environmental Science Transactions of the Royal Society of Edinburgh (2018)

Jing Bai Wenyan Li Yulong Zhang Ling Xiao Weisheng Lu

ABSTRACT As the largest industrial and population centre in China, the Pearl River Delta is facing a growing threat of heavy metal pollution from local mining and power industries. This study investigates the distribution and potential health risks of copper (Cu), cadmium (Cd), lead (Pb) and zinc (Zn) in paddy soils and rice at four typical sites. The Nemerow synthetic pollution index ( P N ) of soils from Fogang, Dabao Mountain, Shaoguan and Lechang were 8.40, 9.10, 4.64 and 10.28, respectively, indicating serious pollution at all four sampling sites. The average concentrations of Cu, Cd, Pb and Zn in rice grains were 2.23, 10.98, 29.84 and 1.62 times their corresponding maximum allowable levels, indicating potential health risks to humans. Cd has greater bioavailability because of its high mobility from soil to roots, and its subsequent transfer to grains. Pb mainly accumulates in roots because of its lower translocation rate from roots to grains. The greatest health risk index for Cd and Pb for adults and children was at the Shaoguan site, probably due to pollution from atmospheric deposition. Cd and Pb had greater health risk indices than Cu and Zn at almost all sites, indicating a major health risk to local people.

10.1017/s1755691018000646

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Citations (17)

Effects of Antimony (III and V) on the Biomarker Responses, and Microbial Diversity of Earthworm  Eisenia Fetida  (Savigny)

Jing Bai Linyu Chen Xiaoqi Yang Yuyang Deng Yu Zheng

Contamination of soils with antimony (Sb) is becoming increasingly severe and widespread, and the associated ecological risks cannot be ignored. To evaluate how different Sb forms affect the earthworm E. fetida Savigny in soil, the biomarker response index (BRI), effect addition index (EAI), and microbial diversity were characterized after single and joint application of Sb(III) and Sb(V). The results showed that Sb(III) is better enriched by earthworms than Sb(V). The metallothionein (MT) content in earthworms increased under Sb stress, and the superoxide dismutase (SOD), catalase (CAT), and glutathione S-transferase (GST) activities also showed an increasing trend. The BRI decreased significantly with the increasing Sb application rate. Additionally, the EAI values were 0.25 and -0.07 under low and high application rates, respectively, thereby indicating that Sb(III) and Sb(V) had synergistic and antagonistic effects at low and high concentrations, respectively. The 16S rRNA sequencing results showed that Sb contamination affected microbial diversity, whereas earthworm activity affected the population evenness. According to the taxonomic composition, the relative abundance of some bacterial taxa in the gut content and burrow lining changed significantly with Sb contamination. Therefore, the correlation heatmap showed that the Sb content in earthworms, four biomarkers, and earthworm mortality, Sb(III)S (Sb(III) in soil) and Sb(V)S (Sb(V) in soil) were significantly positively correlated, and negatively correlated with BRI, diversity indices (Chao1, Pielou, and Shannon), and Sphingobacterium faecium abundance was positively correlated with Sb content. These results provide not only an important basis for the ecological risk assessment of Sb in the soil environment but also new insights into the altered drilosphere bacterial communities under Sb stress.

Eisenia fetida

10.2139/ssrn.4487403

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Integrated transcriptomic and biochemical characterization of the mechanisms governing stress responses in soil-dwelling invertebrate (Folsomia candida) upon exposure to dibutyl phthalate

Journal of Hazardous Materials (2023)

Yu Zheng Can Liu jiayi Chen Jian-quan Tang Jiali Luo

Dibutyl phthalate (DBP) is one of the most commonly utilized plasticizers and a frequently detected phthalic acid ester (PAE) compound in soil samples. However, the toxicological effects of DBP on soil-dwelling organisms remain poorly understood. This study employed a multi-biomarker approach to investigate the impact of DBP exposure on Folsomia candida's survival, reproduction, enzyme activity levels, and transcriptional profiles. Analyses of antioxidant biomarkers, including catalase (CAT) and glutathione S-transferase (GST), as well as detoxifying enzymes such as acetylcholinesterase (AChE), Cytochrome P450 (CYP450), and lipid peroxidation (LPO), revealed significant increases in CAT activity, GST levels, and CYP450 expression following treatment with various doses of DBP for 2, 4, 7, or 14 days. Additionally, LPO induction was observed along with significant AChE inhibition. In total, 3175 differentially expressed genes (DEGs) were identified following DBP treatment that were enriched in six Gene Ontology (GO) terms and 144 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways, including 85 upregulated and 59 downregulated primarily associated with lipid metabolism, signal transduction, DNA repair, and cell growth and death. Overall these results provide foundational insights for further research into the molecular mechanisms underlying responses of soil invertebrates to DBP exposure.

Dibutyl phthalate

KEGG

10.1016/j.jhazmat.2023.132644

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Citations (8)

Enhancing pentachlorophenol degradation by vermicomposting associated bioremediation

Ecological Engineering (2015)

Lin Zhong Jing Bai Zhen Zhen Shiqi Lao Wenyan Li

Pentachlorophenol

Humus

10.1016/j.ecoleng.2015.12.004

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Citations (45)

Implications of Soil Potentially Toxic Elements Contamination, Distribution and Health Risk at Hunan’s Xikuangshan Mine

Processes (2021)

Jing Bai Wen Zhang Weiyin Liu Guohong Xiang Yu Zheng

A field survey was conducted to determine the pollution grade, sources, potential ecological risk, and health risk of soil potentially toxic elements (PTEs) in Xikuangshan Mine (XKS), the largest antimony (Sb) deposit in the world. A total of 106 topsoil samples were collected from 6 sites in XKS to measure the concentrations of PTEs Cr, Zn, Cd, Pb, As, Hg, and Sb. The results show that the average concentrations of these elements at all six sites were generally greater than their corresponding background values in Hunan province, especially Sb, Hg, and As. Correlation and principal component analyses suggested that Cd, Zn, Pb, Hg, and Sb were primarily released from mining and other industrial and human activities, while Cr and As were mainly impacted by the parent material from pedogenesis. A risk index analysis showed that, overall, sites were at very high ecological risk, and Sb is the highest ecological risk factor, followed by Cd and Hg. According to health risk assessment, oral ingestion is the main non-carcinogenic and carcinogenic risk exposure route. The higher potentially non-carcinogenic and carcinogenic risks happen to the local children who live in the vicinity of mining area. It revealed that the mining and smelting processes of XKS have negatively influenced the local people, therefore, we should pay increasing attention to this practical issue and take effective measures to protect the ecology of XKS.

Topsoil

10.3390/pr9091532

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Citations (14)

Removal of persistent DDT residues from soils by earthworms: A mechanistic study

Journal of Hazardous Materials (2018)

Huijuan Xu Jing Bai Wenyan Li Lixia Zhao Yongtao Li

Burrow

Microcosm

10.1016/j.jhazmat.2018.11.043

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Citations (27)