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Synergy of plastics and heavy metals weakened soil bacterial diversity by regulating microbial functions in the Qinghai-Tibet Plateau.
J Hazard Mater
January 2025
School of Environment and Resources, Taiyuan University of Science and Technology, Taiyuan, Shanxi Province 030024, China.
How plastics coupled with metals regulate microbial functions-diversity relationships remain unknown in plateau soil environment. Three representative catchments in the Qinghai-Tibet Plateau, focusing on microplastics, their plasticisers, and metals in soils, were investigated. This research explores responses of bacterial diversity and functions to the co-existence of target pollutants, and pathways by which target pollutants regulate the diversity.
View Article and Find Full Text PDFAnalysis of the anthropogenic effect on River in Salvador Escalante, Michoacán, México.
PeerJ
January 2025
Facultad de Ingeniería Química, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, Mexico.
The average annual water availability worldwide is approximately 1,386 trillion cubic hectometers (hm), of which 97.5% is saltwater and only 2.5% is freshwater.
View Article and Find Full Text PDFThe fly route of extended-spectrum-β-lactamase-producing dissemination in a cattle farm: from the ecosystem to the molecular scale.
Front Antibiot
April 2024
Transmission, Reservoir and Diversity of Pathogens Unit, Institut Pasteur, Les Abymes, France.
Introduction: This study aimed to understand the origin and to explain the maintenance of extended-spectrum β-lactamase (ESBL) isolated from food-producing animals in a third-generation cephalosporin (3GC)-free farm.
Methods: Culture and molecular approaches were used to test molecules other than 3GC such as antibiotics (tetracycline and oxytetracycline), antiparasitics (ivermectin, flumethrin, fenbendazol, and amitraz), heavy metal [arsenic, HNO, aluminum, HNO, cadmium (CdSO), zinc (ZnCl), copper (CuSO), iron (FeCl), and aluminum (AlSO)], and antioxidant (butylated hydroxytoluene) as sources of selective pressure. Whole-genome sequencing using short read (Illumina™) and long read (Nanopore™) technologies was performed on 34 genomes.
Integrative biomonitoring in Litopenaeus vannamei: Metal analysis and biochemical markers.
Mar Pollut Bull
January 2025
ICAR-National Institute of Abiotic Stress Management, Baramati, Pune-413115, India.
Contaminants are a major cause of seafood export rejections in foreign markets and have significantly impacted consumer health. This investigation addresses the issues of metal contamination and biochemical markers in Litopenaeus vannamei from East Midnapore, West Bengal, India. The analyzed metals included vanadium (V), chromium (Cr), manganese (Mn), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), molybdenum (Mo), silver (Ag), gallium (Ga), germanium (Ge), arsenic (As), selenium (Se), strontium (Sr), tin (Sn), cadmium (Cd), mercury (Hg), and lead (Pb), using Inductively Coupled Plasma Mass Spectrometry (ICP-MS).
View Article and Find Full Text PDFRiparian Soil Heavy Metal Contamination and Pollution Assessment and Management Planning Integrating Multiple Indices, Statistical and Geospatial Approaches.
Environ Manage
January 2025
Department of Engineering, Reykjavik University, Reykjavík, Iceland.
This research assesses heavy metal contamination within the riparian zone of the Danro River, a tributary of the Ganges River basin in India, particularly impacted by sand mining activities. The study conducted analyses on major and trace elements in soil samples, focusing on those identified as ecologically hazardous by the Water Framework Directive of India. Utilizing a combination of indices (Enrichment Factor, Pollution Load Index, and Index of geo-accumulation) and statistical techniques such as Principal Component Analysis (PCA), the investigation aimed to evaluate contamination severity, ecological risks, and pollution sources.
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