We report a natural infection with a Eurasian highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus in a free-ranging juvenile polar bear (Ursus maritimus) found dead in North Slope Borough, Alaska, USA. Continued community and hunter-based participation in wildlife health surveillance is key to detecting emerging pathogens in the Arctic.
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http://dx.doi.org/10.3201/eid3008.240481 | DOI Listing |
Sci Adv
January 2025
State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
The COP9 signalosome (CSN) is a highly conserved protein complex in eukaryotes, with CSN5 serving as its critical catalytic subunit. However, the role of CSN5 in plant immunity is largely unexplored. Here, we found that suppression of in rice enhances resistance against the fungal pathogen and the bacterial pathogen pv.
View Article and Find Full Text PDFPLoS One
January 2025
General Directorate of Infection Prevention & Control, Ministry of Health-Saudi Arabia, Riyadh, Saudi Arabia.
Background: Candida auris (C. auris) is an emerging fungus pathogen associated with nosocomial infections that is seen as a serious global health issue.
Aim: To describe the epidemiology and features of hospital-acquired Candida auris outbreaks in the Ministry of Health hospitals (MOH).
Alzheimers Dement
December 2024
Xiangya Hospital, Central South University, Changsha, Hunan, China.
Background: Single nucleotide polymorphism (SNP)-based genetic studies have identified many risk genes for Alzheimer's disease (AD), but only explain part of the heritability. Structural variation (SVs) may account for some of this otherwise unexplained heritability. In this study, we sequenced 1,519 AD patients and 2,010 controls using 30X whole-genome sequencing (WGS).
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Harvard Medical School and Brigham & Women's Hospital, Boston, MA, USA.
SORL1 (SORLA, LR11) is a large (2214 residue), multi-domain type 1 integral membrane protein that is the product of the SORL1 gene. In neurons, where it is highly expressed, SORL1 functions as both a substrate of and a cargo receptor for the retromer multi protein complex that is a master regulator of protein trafficking out of the early endosome. The SORL1-Vps26b retromer, in particular, is dedicated to the recycling of cell surface proteins, including APP and AMPA receptor subunit GLUA1, back to the plasma membrane.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Max Delbrück Center for Molecular Medicine, Berlin, Germany.
Background: The microtubule-associated protein tau is the most commonly misfolded protein in neurodegenerative disorders including Alzheimer's disease and other related tauopathies. These neurological illnesses are hypothesized to share a common mechanism of disease progression, where pathogenic aggregates or 'seeds' of the tau protein function as templates promoting misfolding of functional, soluble tau protein. Under this premise, therapeutic strategies that modulate the seeding cascade, have high potential to interfere with the disease process.
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