Livestock wastewater is an important reservoir of antibiotic resistance genes (ARGs), with high environmental risks. We investigated the seasonal variations of distribution and removal of swine wastewater originated high-risk tetracycline resistance genes (TRGs) in horizontal subsurface flow constructed wetlands. The effects of exogenous addition of tetracycline (TC) and copper ion (Cu) on the abundance of TRGs in effluent with single and combined pollution of antibiotic and heavy metal were studied. The results showed that all the three high-risk TRGs (, and ) were detected in swine wastewater. Wetlands could effectively reduce the ARGs, with the absolute abundance of TRGs in effluent being decreased by 1.1-2.4 and 1.7-2.9 orders of magnitude in summer and winter compared with the influent, respectively. The abundance of TRGs in wetland soils showed the characte-ristics that the outflow side was lower than the inflow side, the non-rhizosphere area was lower than the rhizosphere area, and lower in winter than in summer. In summer and winter, single and combined pollution of TC and Cu in swine wastewater would increase the abundance of TRGs in effluent compared with that in the control. The constructed wetland is suitable for controlling the environmental diffusion of ARGs in livestock wastewater.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.13287/j.1001-9332.202210.036 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
The landscape in telomere related gene prognostic signature for survival and medication treatment effectiveness prediction in hepatocellular carcinoma.
Discov Oncol
December 2024
Department of Pediatrics, The Affiliated Suqian Hospital of Xuzhou Medical University, Jiangsu, China.
Objective: Telomeres, made of repetitive DNA sequences and shelterin complexes, which were found at the ends of chromosomes and had been extensively studied in cancer research. However, in hepatocellular carcinoma (HCC) was still relatively scarce. In this study, we investigated the correlation between telomerase-related genes (TRGs) and the prognosis and immunotherapy of HCC patients to enhance clinical outcomes.
View Article and Find Full Text PDFReducing tetracycline resistance genes in wheat soil using natural quorum sensing inhibitors: A new approach for mitigating antibiotic resistance gene contamination.
Sci Total Environ
November 2024
School of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China; Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Qingdao 266590, China.
The distribution and transmission of antibiotic resistance genes (ARGs) in agricultural soils constitute a significant threat to food safety and human health. Natural quorum sensing inhibitors (QSIs), with advantages such as low plant toxicity and low application costs, present a potential approach for mitigating ARG contamination by targeting bacterial quorum sensing systems. This study explored the impacts and mechanisms of three natural QSIs (vanillin, catechin, and tannin) on the abundance of tetracycline resistance genes (TRGs) in both rhizosphere and non-rhizosphere soils.
View Article and Find Full Text PDFInterplay among manures, vegetable types, and tetracycline resistance genes in rhizosphere microbiome.
Front Microbiol
July 2024
Key Laboratory of Cell Activities and Stress Adaptations Ministry of Education, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, China.
The rapid global emergence of antibiotic resistance genes (ARGs) is a substantial public health concern. Livestock manure serves as a key reservoir for tetracycline resistance genes (TRGs), serving as a means of their transmission to soil and vegetables upon utilization as a fertilizer, consequently posing a risk to human health. The dynamics and transfer of TRGs among microorganisms in vegetables and fauna are being investigated.
View Article and Find Full Text PDFExploiting tertiary lymphoid structures gene signature to evaluate tumor microenvironment infiltration and immunotherapy response in colorectal cancer.
Front Oncol
May 2024
Department of Oncology, School of Clinical Medicine, Southwest Medical University, Luzhou, China.
Article Synopsis
- Researchers studied a special part of tumors called tertiary lymphoid structures (TLS) in colorectal cancer to understand how they affect the disease and treatment.
- They found two different groups of TLS that have different effects on patient survival and how well treatments work.
- A risk model with 14 genes was created to predict patient outcomes, showing that patients with lower risk had better survival and more immune cells fighting the cancer.
Construction of a TAN-associated risk score model with integrated multi-omics data analysis and clinical validation in gastric cancer.
Life Sci
July 2024
Department of Oncology, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China; Department of Oncology, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian 223812, China.. Electronic address:
Aims: An increasing number of studies have highlighted the biological significance of neutrophil activation and polarization in tumor progression. However, the characterization of tumor-associated neutrophils (TANs) is inadequately investigated.
Materials And Methods: Patients' expression profiles were obtained from TCGA, GEO, and IMvigor210 databases.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!