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Impact of human intervention and predator-prey dynamics on ecosystem virus transmission.
Chaos
January 2025
School of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, China.
Humans and predators occupy dominant positions in ecosystems and are generally believed to play a decisive role in maintaining ecosystem stability, particularly in the context of virus transmission. However, this may not always be the case. By establishing some ecosystem virus transmission models that cover both human perspectives and predators, we have drawn the following conclusions: (1) Controlling vaccination activities from the human perspective can potentially lower the transmission rate and improve herd immunity, thereby indirectly protecting unvaccinated risk groups.
View Article and Find Full Text PDFA central role of stimulator of interferon genes' adaptor protein in defensive immune response.
Immunol Res
January 2025
, Auckland, New Zealand.
Cytotoxic DNAs, methylation, histones and histones binding proteins are speculated to induce DNA sensors. Under stressed condition, the antigenic patterns, PAMPs and DAMPs, trigger the hyperactive innate response through DNA, DNA-RNA hybrids, oligonucleotides, histones and mtDNA to initiate cGAMP-STING-IFN I cascade. HSV -1&2, HIV, Varicella- Zoster virus, Polyomavirus, Cytomegalovirus, and KSHV negatively regulate the STING-MAVS-TBK-1/1KKE pathway.
View Article and Find Full Text PDFCytoophidium complexes resonate with cell fates.
Cell Mol Life Sci
January 2025
School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
Metabolism is a fundamental characteristic of life. In 2010, we discovered that the metabolic enzyme CTP synthase (CTPS) can assemble a snake like structure inside cells, which we call the cytoophidium. Including CTPS, an increasing number of metabolic enzymes have been found to form cytoophidia in cells.
View Article and Find Full Text PDFEmbryo Cryopreservation: What do couples think about it?
JBRA Assist Reprod
January 2025
Department of Gynecology and Obstetrics, Ribeirão Preto Medical School of University of Sao Paulo, Ribeirão Preto, Brazil.
Objective: To investigate the perspectives of infertile couples regarding embryo cryopreservation throughout assisted reproduction treatment.
Methods: The convenience sample included infertile couples undergoing assisted reproduction treatment. They responded to a questionnaire specifically designed to gauge views and opinions on cryopreservation of surplus embryos.
The year of a leaf: Tracking the fate of leaf litter and its nutrients during aquatic decomposition and consumption.
Ecology
January 2025
Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland.
Temperate streams are subsidized by inputs of leaf litter peaking in fall. Yet, stream communities decompose dead leaves and integrate their energy into the aquatic food web throughout the whole year. Most studies investigating stream decomposition largely overlook long-term trajectories, which must be understood for an appropriate temporal upscaling of ecosystem processes.
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