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Long-Term Grazing and Nitrogen Management Impacted Methane Emission Potential and Soil Microbial Community in Grazing Pastures.
Environ Health (Wash)
January 2025
Department of Biology, University of Texas at Tyler, Tyler, Texas 75799, United States.
Achieving sustainable development in livestock agriculture by balancing livestock production, reduction of greenhouse gas (GHG) emissions, and effective utilization of nitrogen nutrient has indeed been challenging. This study investigated the long-term effects of continuous cattle grazing, stocking rates, and fertilization regimens on methane (CH) emissions, soil microbial communities, and soil organic carbon (SOC) stocks in Bermudagrass pastures in East Texas, USA. Pastures were subjected to high or low stocking rates for over 50 years, with further subdivision based on fertilization: nitrogen-based fertilizer application or no fertilizer but with the growth of annual clover.
View Article and Find Full Text PDFPhages Affect Soil Dissolved Organic Matter Mineralization by Shaping Bacterial Communities.
Environ Sci Technol
January 2025
State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Plant Virology, Ningbo University, Ningbo 315211, China.
Viruses are considered to regulate bacterial communities and terrestrial nutrient cycling, yet their effects on bacterial metabolism and the mechanisms of carbon (C) dynamics during dissolved organic matter (DOM) mineralization remain unknown. Here, we added active and inactive bacteriophages (phages) to soil DOM with original bacterial communities and incubated them at 18 or 23 °C for 35 days. Phages initially (1-4 days) reduced CO efflux rate by 13-21% at 18 °C and 3-30% at 23 °C but significantly ( < 0.
View Article and Find Full Text PDFQuaternized and boronic acid dual-functional CoAg nanozymes for label-free, stable, sensitive, and rapid quantitation detection of the bacterial total concentration.
Anal Chim Acta
February 2025
School of Pharmacy, China Pharmaceutical University, Nanjing, China. Electronic address:
Background: Foodborne pathogenic bacteria lead to a significant increase in illnesses and fatalities annually. In the early stage of a pathogenic bacterial infection, the concentration of bacteria in food is lower than the detection limit of most technology which enhances the difficulty in diagnosis. It is a serious challenge for researchers to develop a rapid, sensitive, accurate, and stable pathogenic bacterial determination method without costly equipment and highly skilled operators.
View Article and Find Full Text PDFApplication of electrodeposition for Nickel Nanoparticle-Modified Electrodes in Biochemical Systems.
MethodsX
June 2025
Biofuel and Renewable Energy Research Center, Department of Chemical Engineering, Babol Noshirvani University of Technology, Babol, Iran.
Microbial fuel cells (MFCs) have garnered significant attention from researchers as an innovative and environmentally friendly method for the treatment of urban and industrial wastewater. The type and material of the electrode are critical factors affecting the efficiency and energy production of this process. The electrodeposition method was employed to dope nickel (Ni) and modify the surface of graphite plates (GP) and carbon felt (CF).
View Article and Find Full Text PDFBiofuels derived from renewable and sustainable lignocellulosic biomass, such as switchgrass, offer a promising means to limit greenhouse gas emissions. However, switchgrass grown under drought conditions contains high levels of chemical compounds that inhibit microbial conversion to biofuels. Fermentation of drought switchgrass hydrolysates by engineered and generates less ethanol than fermentation of hydrolyzed switchgrass from an average rainfall year.
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