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Presence of Raccoon Roundworm (Baylisascaris procyonis) in Habitat Associated with Allegheny Woodrats (Neotoma magister) in Western Virginia, USA, 2022-24.
J Wildl Dis
January 2025
Department of Biological and Health Sciences, Wheaton College, 501 College Ave., Wheaton, Illinois 60187, USA.
Baylisascaris procyonis is a roundworm that does not affect its definitive host, raccoons (Procyon lotor), but may have a devastating effect when ingested by paratenic hosts such as Allegheny woodrats (Neotoma magister). Despite being considered a major factor in woodrat population extirpation and decline in states northward, there have been no large-scale surveys for raccoon roundworm in Virginia, US. From 2022 to 2024, we visited 60 karst or nonkarst rocky habitats known (current or historical) or suspected to be Allegheny woodrat locations in western Virginia.
View Article and Find Full Text PDFStructural and evolutionary insights into the functioning of glycoprotein hormones and their receptors.
Andrology
January 2025
Department of Biochemistry and Molecular Biophysics, Columbia University, New York, New York, USA.
The neuroendocrine system that comprises the glycoprotein hormones (GpHs) and their receptors is essential for reproduction and metabolism. Each GpH hormone is an αβ heterodimer of cystine-knot proteins and its cognate receptor is a G-protein coupled receptor (GPCR) distinguished by a large leucine-rich-repeat (LRR) extracellular domain that binds the hormone and a class A GPCR transmembrane domain that signals through an associating heterotrimeric G protein. Hence, the receptors are called LRR-containing GPCRs-LGRs.
View Article and Find Full Text PDF'Neither here nor there'? Meiofauna as an effective tool to evaluate the impacts of the 2019 mysterious oil spill in a Northeast Brazil coral reef.
Mar Pollut Bull
January 2025
Universidade Federal de Pernambuco, Programa de Pós-Graduação em Biologia Animal, Center for Biosciences, Av. Prof. Morais Rêgo s/n, Recife, Pernambuco 50670-420, Brazil; Universidade Federal de Pernambuco, Department of Zoology, Center for Biosciences, Av. Prof. Morais Rêgo s/n, Recife, Pernambuco 50670-420, Brazil. Electronic address:
During the last half of 2019, the Northeast coast of Brazil suffered from an extensive oil spill of unknown origin, and marine organisms in those areas were subjected to significant impacts. In situations like this, the contaminant effects can persist for varying periods. Oil contaminants, such as polycyclic aromatic hydrocarbons (PAHs), generally reduce taxa's abundance and diversity in benthic communities in areas with greater exposure to chemical components.
View Article and Find Full Text PDFVersatility of Caenorhabditis elegans as a Model Organism for Evaluating Foodborne Neurotoxins and Food Bioactive Compounds in Nutritional Neuroscience.
Mol Neurobiol
January 2025
Department of Molecular Pharmacology, Albert Einstein College of Medicine Forchheimer 209, 1300 Morris Park Avenue, Bronx, NY, 10461, USA.
Epidemiological evidence has shown that the regular ingestion of vegetables and fruits is associated with reduced risk of developing chronic diseases. The introduction of the 3Rs (replacement, reduction, and refinement) principle into animal experiments has led to the use of valid, cost-effective, and efficient alternative and complementary invertebrate animal models which are simpler and lower in the phylogenetic hierarchy. Caenorhabditis elegans (C.
View Article and Find Full Text PDFPathogen Detection and Resistome Analysis in Healthy Shelter Dogs Using Whole Metagenome Sequencing.
Pathogens
January 2025
Center for Infectious, Zoonotic and Vector-Borne Diseases, Lincoln Memorial University, Harrogate, TN 37752, USA.
According to the Humane Society, 25 to 40 percent of pet dogs in the United States are adopted from animal shelters. Shelter dogs can harbor bacterial, viral, fungal, and protozoal pathogens, posing risks to canine and human health. These bacterial pathogens may also carry antibiotic resistance genes (ARGs), serving as a reservoir for antimicrobial resistance (AMR) transmission.
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