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News
Tiny RNA Molecule Pushes Schistosome Parasites Toward Self-Destruction
48+ min ago (73+ words) A single microRNA molecule may help determine whether the parasitic blood fluke Schistosoma japonicum thrives inside its host or succumbs to programmed cell death, according to a new study published in Acta Parasitologica. Researchers led by Yuanzhao Sun and Haoran…...
Castration Reshapes Meat Quality and Muscle Metabolites in Black Tibetan
58+ min ago (117+ words) High on the Qinghai-Tibet Plateau, where flocks of Black Tibetan sheep graze at altitudes of roughly 3,000 meters in China’s Qinghai Province, a routine husbandry practice is quietly rewriting the biochemical identity of one of the region’s most prized meats. Castration…...
Collagen Switch Turns Fish Fins Into Limb-Like Structures
2+ hour, 45+ min ago (83+ words) When the first fish lineage crawled onto land some 375 million years ago, its fins had to be remodeled into limbs capable of bearing weight. Evolutionary biologists have long focused on the genes that pattern the skeleton—Hox clusters, Sonic hedgehog,…...
New Rust Toolkit Supercharges Sex Determination Studies in Non-Model
3+ hour, 54+ min ago (628+ words) A new open-source software package promises to transform how biologists hunt for the genetic switches that separate males from females in species with no reference genome....
From Ancient Campfires to Cell-Cultured Steak: How Meat Is Being Reinvented
6+ hour, 10+ min ago (86+ words) Meat has shaped human history in ways few other foods can claim. From the earliest days of hominin evolution, regular consumption of animal flesh supplied the dense energy that scientists believe fueled the expansion of the human brain, the development…...
Duplicated Energy Genes Reveal How Fish Mitochondria Evolved After Genome
8+ hour, 4+ min ago (620+ words) Every heartbeat, every twitch of a fin, and every dividing cell in a fish embryo depends on a molecular machine so ancient that its origins trace back billions of years. Oxidative phosphorylation, or OXPHOS, is the process by which cells…...
Mussel Brains Reveal How Nervous Systems Survive Oxygen Starvation and
9+ hour, 29+ min ago (671+ words) When the tide recedes from a rocky Mediterranean shore, the mussels clinging to the stones simply close their shells and wait. Inside those shells, oxygen levels plummet, carbon dioxide accumulates, and the entire body shifts into a biochemical holding pattern…...
Baby Girls Look Longer at Faces Than Boys Within Hours of Birth, Study
9+ hour, 41+ min ago (710+ words) Within hours of drawing their first breath, newborn babies may already display one of the most quietly provocative differences in human psychology....
Bird Guts Are a Dead End for Stick Insect Eggs, Digestion Experiments
1+ day, 25+ min ago (793+ words) Stick and leaf insects are among the most accomplished masters of disguise in the animal kingdom, but their most remarkable imitation may be the one nobody watches happen. The eggs of many phasmid species look uncannily like plant seeds, complete…...
A genomic catalog of Earth’s bacterial and archaeal symbionts
1+ day, 2+ hour ago (918+ words) The assembly of a genomic catalog devoted specifically to bacterial and archaeal symbionts represents a meaningful shift in how large-scale microbiome resources are organized....