Researchers at Ohio State University have discovered a natural parasite that can control leaf-eating slugs, which destroy crops every spring and fall. The parasite, known as Phasmarhabditis hermaphrodita, is effective in killing American slugs just as well as the most popular slug poison, metaldehyde.
A gene similar to the human cancer-suppressing gene has been identified in a nematode worm, which protects against cancer-causing agents and extends life span under stress conditions. The discovery may lead to novel anti-cancer drugs and a better understanding of human longevity.
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A Rutgers researcher discovered the rapid revival of life around hydrothermal vents on the Pacific Ocean floor after a lava flow appeared to exterminate it. Over 500 new species have been found at these sites, including unique organisms like giant tube worms and hairy Pompeii worms.
Researchers used SAGE technique to identify 2016 genes active exclusively in dauer, a non-reproductive, long-lived form of C. elegans. Chromosome stability and structure are linked to dauer biology, with tts-1 gene playing a crucial role.
Researchers have discovered that synthetic superoxide dismutase and catalase can extend the lifespan of C. elegans nematode worms by approximately 50%. These catalytic drugs convert oxygen radicals into water, reducing oxidative stress and protecting mitochondrial function.
Researchers successfully eliminated an invasive South African worm that was causing deformed shells and stunted growth in California's abalone. By removing susceptible snails and using the 'epidemic threshold of transmission theory,' they were able to break the parasite's cycle, offering a new glimmer of hope for conservation efforts.
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Scientists discover cytosolic catalase enzyme protects cells from oxidative damage in long-lived worms, offering insight into aging process and potential therapy for nervous system diseases. The study suggests that increasing cellular health through antioxidant measures could extend lifespan, rather than relying on genetic regulation.
Researchers have sequenced the genome of Caenorhabditis elegans, a tiny worm with similarities to humans. The completed genome reveals over 19,000 protein-coding genes and sheds light on human biology.
Researchers found a SEX-1 hormone receptor signal in C. elegans that helps determine sex by counting X chromosomes, similar to the human Dax1 gene.
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Research on aging presents a surprising finding: mortality rates decrease with age in various species. Studies have shown that death rates level off at around 105 years old for humans and even decline after age 110. This trend is observed across different species, including fruit flies, worms, and yeast.
Scientists have identified a crucial gene that controls metabolism in worms and may be responsible for diabetes. The discovery reveals that humans can live without insulin if they carry an inactive version of this gene, opening up new avenues for treating the disease.
Researchers at MGH discovered a striking similarity between the worm C. elegans' aging gene daf-2 and the human insulin receptor, implying that insulin-like control of metabolism is ancient. This finding suggests human counterparts of other worm genes may be defective in diabetes.
Researchers have discovered dense colonies of flat, pinkish worms living in methane ice mounds on the Gulf of Mexico sea floor. The worms are thought to be grazing off chemosynthetic bacteria, potentially influencing gas deposit formation and energy harvesting.
Researchers have created genetically modified nematodes with human genes linked to Alzheimer's disease, sparking the accumulation of abnormal protein deposits in their muscle cells. The study aims to speed up the search for drugs to treat the disease by identifying potential treatments using these unique 'dual-transgenic' worms.
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Researchers found a mutant gene in C. elegans that doubles adult lifespan when mutated, suggesting its role in regulating aging. The gene encodes a PI(3)K enzyme, which may trigger a biochemical program leading to decreased aging and senescence.