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Toxic effects of tetracycline on non-target lichen .
J Toxicol Environ Health A
December 2024
Department of Environmental Sciences, Vytautas Magnus University, Kaunas, Akademija, Lithuania.
Tetracycline (TC) antibiotics are one of the class of drugs widely used in clinical practice but also constitute a significant environmental concern. However, the adverse effects of TC on non-target organisms have not been well studied. The aim of this study was to examine the influence of exposure to high levels of TC on thalli of lichens to determine the impact on (1) physiological parameters including integrity of cell membranes, photosynthetic efficiency and viability, (2) oxidative stress response such as membrane lipid peroxidation, and (3) enzymatic antioxidant activities as catalase (CAT), superoxide dismutase (SOD), ascorbate peroxidase (APX), and glutathione reductase (GR).
View Article and Find Full Text PDFEvidence of horizontal transmission of Ccep in rice moths parasitized by and its persistence across generations.
Front Insect Sci
December 2024
Department of Plant Medicine, National Pingtung University of Science and Technology, Neipu, Pingtung, Taiwan.
The horizontal transmission of endosymbionts between hosts and parasitoids plays a crucial role in biological control, yet its mechanisms remain poorly understood. This study investigates the dynamics of horizontal transfer of (Ccep) from the rice moth, , to its parasitoid, . Through PCR detection and phylogenetic analysis, we demonstrated the presence of identical Ccep strains in both host and parasitoid populations, providing evidence for natural horizontal transmission.
View Article and Find Full Text PDFAntimicrobial resistance pattern of isolated from imported frozen shrimp in Saudi Arabia.
PeerJ
December 2024
Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Eastern Region, Saudi Arabia.
Contamination of seafood products with multi-drug-resistant (MDR) bacteria is considered to be a potential source for the spread of MDR bacteria in communities. However, little is known about the extent of the contamination of seafood, in particular shrimp, with MDR bacteria in Saudi Arabia. In this study, imported frozen shrimp in retail markets were examined for the antimicrobial susceptibility patterns of .
View Article and Find Full Text PDFVermicomposting significantly reduced antibiotic resistance genes in cow manure even under high tetracycline concentrations.
Bioresour Technol
December 2024
Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China; Key Laboratory of Low-carbon Green Agriculture in North China, Ministry of Agriculture and Rural Affairs, China. Electronic address:
Minimizing antibiotic resistance genes (ARGs) in livestock manure is crucial for curbing ARG dissemination. Vermicomposting can eliminate ARGs, but the effect of residual antibiotics on its reduction efficacy remains unclear. Herein, Eisenia foetida was employed to convert cow manure with varying concentrations of tetracycline (i.
View Article and Find Full Text PDFActivity of cefiderocol in combination with tetracycline analogues against carbapenem-resistant Acinetobacter baumannii.
J Antibiot (Tokyo)
December 2024
Department of Respiratory Medicine, An Qiu People's Hospital, An Qiu, China.
Therapeutic options for carbapenem-resistant Acinetobacter baumannii (CA-AB) are quite limited. Cefiderocol, a novel siderophore cephalosporin, has shown potent in vitro activity against CR-AB, and new tetracycline analogues such as eravacycline and omadacycline have been available in recent years. However, the synergism of cefiderocol with tetracycline analogues against CR-AB has not been well investigated.
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