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WebScarlet fever was in the Americas before Columbus, proven by a single tooth from a mummy
6+ hour, 5+ min ago (959+ words) A bacterium found in the tooth of a 700-year-old Bolivian mummy shows scarlet fever was circulating in the Americas long before Europeans arrived. A young man died somewhere on the Bolivian Altiplano between 1283 and 1383. The cold, dry air of the…...
Geochemical Constraints Shaping Sediment Microbiomes in Gypsum Caves
18+ hour, 33+ min ago (737+ words) Beneath the sun-baked landscape of southeastern Spain, an underground microbial world is being shaped by chemistry that changes from one patch of cave sediment to the next....
For Legionella bacteria, taking over a cell means playing by its rules
1+ day, 6+ hour ago (294+ words) Credit: CDC/Martin D. Hicklin, MD GRAND RAPIDS, Mich. (Aug. 26, 2026) — When it comes to invading healthy cells, Legionella bacteria rely on blending in rather than breaking in. New research from Van Andel Institute scientists demonstrates how a protein produced by Legionella…...
Emergence of Stutzerimonas nitrititolerans co-carrying carbapenem and tigecycline resistance genes from geese feces in China
1+ day, 8+ hour ago (201+ words) Researchers recovered five multidrug-resistant Stutzerimonas nitrititolerans isolates from 60 geese fecal samples collected at a farm in Yangzhou, China. Genome sequencing showed that all five carried chromosomal tmexC2D2-toprJ2 and blaPST-2 resistance-associated determinants. Across 104 available genomes, complete tmexCD-toprJ clusters were uncommon, and only…...
How CsgD Regulates Biofilm Formation and Quorum Sensing in Salmonella
1+ day, 1+ hour ago (768+ words) A Master Switch in Salmonella May Link Sticky Biofilms to Bacterial “Social” Signals A gene regulator best known for helping Salmonella build its tough, adhesive biofilms may also influence how the pathogen interprets chemical messages from neighboring bacteria....
Ancient Peptides Resurrected from Lactoferrin’s Evolutionary Past Could Point to New Antibiotics
1+ day, 1+ hour ago (539+ words) Scientists working their way back through millions of years of the evolutionary past of mammalian lactoferrin reconstructed extinct peptides, some of which in laboratory were more potent against drug-resistant bacteria than present-day counterparts. The post Ancient Peptides Resurrected from Lactoferrin’s…...
Seasonal Shifts in Shitalakshya River Microbes and Antibiotic Resistance
1+ day, 2+ hour ago (894+ words) Bangladesh River’s Dry-Season Crisis Is Selecting for Microbes Built to Survive Pollution A river supplying drinking water to millions of people in Dhaka undergoes a dramatic microbial transformation as Bangladesh’s dry season deepens, according to a new metagenomic study....
Plant Enzymes Enable Efficient Production of N-(Hydroxycinnamoyl)tyramines
1+ day, 5+ hour ago (632+ words) Scientists have developed a new fermentation-based method for producing hydroxycinnamoyltyramines, a family of plant-derived phenolic compounds that has attracted growing interest because of its potential biological and pharmaceutical value. The process uses genetically engineered Escherichia coli as a manufacturing platform,…...
MSR Gene Discovery in Four Wheat Species Reveals TaMSRB5 Enhances Copper
1+ day, 5+ hour ago (788+ words) Tolerance Bioengineer.org...
Host selection shapes microbial communities and functions, determining
1+ day, 5+ hour ago (852+ words) mangrove soil carbon fate Bioengineer.org...