Toxoplasma gondii reproduces sexually in felines and asexually in virtually all warm-blooded animals, including humans. This obligate intracellular parasite alternates between biologically distinct developmental stages throughout its complex life cycle. Stage conversion is crucial for T. gondii transmission, persistence, and the maintenance of genetic diversity within the species. Genome-wide comparative transcriptomic studies have contributed invaluable insights into the regulatory gene networks underlying T. gondii development.
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http://dx.doi.org/10.1016/j.micinf.2020.09.001 | DOI Listing |
Viruses
January 2025
Clinical Center for Biotherapy, Zhongshan Hospital, Fudan University, Shanghai 200433, China.
This study aimed to create a new recombinant virus by modifying the EV-A71 capsid protein, serving as a useful tool and model for studying human Enteroviruses. We developed a new screening method using EV-A71 pseudovirus particles to systematically identify suitable insertion sites and tag types in the VP1 capsid protein. The pseudovirus's infectivity and replication can be assessed by measuring postinfection luciferase signals.
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January 2025
Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Herestraat 49, 3000 Leuven, Belgium.
The Rift Valley fever virus (RVFV) causes haemorrhagic fever, encephalitis, and permanent blindness and has been listed by the WHO as a priority pathogen. To study RVFV pathogenesis and identify small-molecule antivirals, we established a novel In Vivo model using zebrafish larvae. Pericardial injection of RVFV resulted in ~4 log viral RNA copies/larva, which was inhibited by the antiviral 2'-fluoro-2'-deoxycytidine.
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January 2025
School of Life Sciences, Jiangsu University, Zhenjiang 212013, China.
Bombyx mori bidensovirus (BmBDV), a significant pathogen in the sericulture industry, holds a unique taxonomic position due to its distinct segmented single-stranded DNA (ssDNA) genome and the presence of a self-encoding DNA polymerase. However, the functions of viral non-structural proteins, such as NS2, remain unknown. This protein is hypothesized to play a role in viral replication and pathogenesis.
View Article and Find Full Text PDFPlants (Basel)
January 2025
Shapotou Desert Research and Experimental Station, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 320 Donggang West Road, Lanzhou 730000, China.
Turcz. is a winter annual species of the Asteraceae family, distributed in sandy areas of northern China, and is crucial for wind avoidance and sand fixation. To understand the inter- and intra-annual population dynamics of in its cold desert habitats, we conducted long- and short-term demographic studies to investigate the timing of germination, seedling survival, soil seed bank and seed longevity of natural populations on the fringe of the Tengger Desert.
View Article and Find Full Text PDFNutrients
January 2025
Faculty of Agriculture and Food Technology, Latvia University of Life Sciences and Technologies, LV-3001 Jelgava, Latvia.
Hormonal changes throughout a woman's life cycle significantly affect serum lipid levels. Alterations in the serum lipid profile can increase the risk of cardiovascular diseases (CVDs). Additionally, nutrition and dietary habits are crucial for managing dyslipidemia.
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