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Ammonium removal through anaerobic ammonium oxidation coupled to iron(III) reduction along the Yangtze river-estuary continuum.
J Environ Sci (China)
June 2025
State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China; Center for Evolution and Conservation Biology, Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China; Sino-Danish Centre for Science and Education, University of Chinese Academy of Sciences, Beijing 100039, China; The Fuxianhu Station of Plateau Deep Lake Research, Chinese Academy of Sciences, Yuxi 653100, China. Electronic address:
Anaerobic ammonium oxidation coupled to iron(III) reduction (Feammox) process has recently been recognized as an important pathway for removing ammonium in various natural habitats. However, our understanding for Feammox in river-estuary continuum is limited. In this study, stable isotope tracers and high-throughput amplicon sequencing were employed to determine Feammox rates and identify associated microbial communities in sediments along the Yangtze river-estuary continuum.
View Article and Find Full Text PDFSurvival strategies of Eisenia fetida in antibiotic-contaminated soil based on screening canonical correlation analysis model.
Ecotoxicol Environ Saf
December 2024
College of Resources and Environmental Science, Northeast Agricultural University, Harbin 150030, China. Electronic address:
Soil pollution from antibiotics has become increasingly severe, posing significant environmental and human health threats. Many soil organisms can survive and sustain their roles in maintaining soil ecosystems, even in polluted conditions. Exploring the life-sustaining mechanisms of these organisms in contaminated environments is scientifically significant.
View Article and Find Full Text PDFSize-dependent effects of microplastics on intestinal microbiome for Perna viridis.
J Hazard Mater
August 2024
School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; Energy and Environmental Sustainability Solutions for Megacities, Campus for Research Excellence and Technological Enterprise, Singapore 138602, Singapore; National University of Singapore Environment Research Institute, National University of Singapore, 1 Create Way, #15-02, Singapore 138602, Singapore. Electronic address:
Microplastics pollution threatens to marine organisms, particularly bivalves that actively ingest and accumulate microplastics of certain sizes, potentially disrupting intestinal homeostasis. This study investigated the microplastic abundance in wild and farmed mussels around Singapore, and examined the size-dependent effects of nano- to micro-scale polystyrene (0.5 µm/5 µm/50 µm) on the mussel intestinal microbiome in the laboratory.
View Article and Find Full Text PDFGreen synthesis of FeO@ceramsite from sludge improving anaerobic digestion performance of waste activated sludge.
J Environ Manage
May 2024
School of Civil and Environmental Engineering, The University of New South Wales, Sydney, NSW, 2052, Australia.
Article Synopsis
- Anaerobic digestion (AD) is an effective method for managing waste, stabilizing sludge, and recovering energy, which this study explores by using an additive made from FeO@ceramsite.
- The addition of FeO@ceramsite resulted in a 34.7% increase in methane production compared to a control group, showing improved efficiency.
- Further analyses indicated that FeO@ceramsite improved the stability of the digestion process, enhanced microbial communities beneficial for digestion, and facilitated interactions between different types of bacteria involved in methane production.
Microbiota characterization of the green mussel at the tissue scale and its relationship with the environment.
Front Microbiol
April 2024
State Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China.
Research on the microbiota associated with marine invertebrates is important for understanding host physiology and the relationship between the host and the environment. In this study, the microbiota of the green mussel was characterized at the tissue scale using 16S rRNA gene high-throughput sequencing and compared with the microbiota of the surrounding environment. Different mussel tissues were sampled, along with two environmental samples (the mussel's attachment substratum and seawater).
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