Hidden threat: The evolving fungus that spreads through cats and humans
Peer-Reviewed Publication
Updates every hour. Last Updated: 1-May-2025 00:08 ET (1-May-2025 04:08 GMT/UTC)
A new study published in Mycology highlights the alarming evolutionary rate of Sporothrix, the fungus that causes sporotrichosis, a severe and rapidly spreading infection affecting humans and cats in South America. Researchers at the Federal University of São Paulo analysed the 3-carboxymuconate cyclase gene (encoding the Gp60-70 antigen), a key component of the fungus's cell wall, in Sporothrix and discovered unprecedented genetic diversity. They propose a link between this rapid adaptation and exposure to harmful aromatic pollutants, potentially explaining the increased virulence, particularly of S. brasiliensis. This research is crucial because cat-transmitted sporotrichosis is far more aggressive than typical fungal infections, representing a major public health crisis in Brazil. These findings provide vital insights for developing targeted diagnostics, vaccines, and antifungal treatments to combat the world's largest sporotrichosis epidemic.
A breakthrough in biomedical research is reshaping the way scientists study human biology. Assembloids—advanced 3D tissue models that integrate multiple organoids or specialized cell types—are unlocking new dimensions in developmental biology, disease modeling, and drug discovery by more closely mimicking the complex cellular interactions within human tissues. A recent review categorizes assembloids into four key assembly strategies—multi-region, multi-lineage, multi-gradient, and multi-layer—each designed to better simulate complex biological processes with unprecedented accuracy. By bridging the gap between simplified organoids and the intricate architecture of human tissues, assembloids are poised to transform our understanding of health and disease.
A groundbreaking review in eGastroenterology examines the overlap between functional dyspepsia (FD) and gastroparesis (GP), two gastrointestinal disorders traditionally viewed as distinct. New evidence suggests they may represent a spectrum of the same disease challenging diagnostic and treatment paradigms. This review could transform clinical approaches, paving the way for more effective, targeted therapies.
Anemia is a common condition in premature infants, particularly those at risk for retinopathy of prematurity (ROP). While the relationship between anemia and ROP risk remains complex, recent studies have explored potential mechanisms linking anemia to ROP progression. Now, a Pediatric Investigation review evaluates existing literature on iron deficiency and its molecular mechanisms in ROP development, highlighting the need for further targeted clinical trials to clarify the role of anemia in ROP.
While some captive birds have been reported to be able to imitate human-made sounds, such as human words and coughs, ornithologists from China first quantitatively described human-made sounds, the sounds of electric mopeds, imitated by Chinese Blackbirds living in the wild.