Tag

Roundworms

All articles tagged with #roundworms

science1 year ago

"Discovery of New Species in Great Salt Lake Alters Ecosystem Understanding"

Researchers at the University of Utah have discovered thousands of roundworms, or nematodes, living in the Great Salt Lake's reeflike structures, marking the first known presence of these creatures in the lake. The saltiest environment where these worms have been found, the discovery raises questions about the limits of animal life and their adaptability to extreme conditions. The study's findings suggest that the worms are highly adaptive to their environment, surviving on the lake's bacteria despite the extreme salinity. This discovery sheds light on the lake's unique ecosystem and the potential for finding complex multicellular life in extreme environments, sparking further research into the mechanisms of their adaptability.

science2 years ago

"Uncovering the Connection: Self-Driving Cars, Roundworms, and Salt Navigation"

Biologists at the University of Tokyo conducted a study using roundworms to understand how animals integrate sensory information and motor control, shedding light on the complex process that even the simplest animals can perform effortlessly, which humans struggle to replicate. This research could have implications for the development of self-driving cars and other technologies that require seamless integration of sensory data for autonomous movement.

health-and-medicine2 years ago

"Unlocking Longevity: Taming Jumping Genes for a Longer Life"

Controlling "jumping genes" or transposable elements (TEs) through the Piwi-piRNA system could potentially increase lifespan, according to a study conducted on roundworms. TEs can introduce mutations into functional DNA regions, contributing to genomic instability and aging. By activating the Piwi-piRNA system and blocking TE activity, roundworms lived between one to four days longer. The study also revealed that TEs undergo epigenetic modifications as the worms age, which could potentially be used as a biological clock to determine age from DNA.

science2 years ago

Inter-Species Gene Transfer Enabled by Selfish DNA

Researchers have discovered that certain roundworms carry a genetic element known as a Maverick, which is capable of transferring genes between species. Mavericks are massive mobile genetic elements that were previously thought to be inactive relics, but this study reveals their ability to mediate horizontal gene transfer. The Maverick in the roundworms contains viral genes and a fusogen protein, suggesting its ability to form virus-like particles and invade different cell types. Further research is needed to observe the Maverick in action and understand its mechanisms. This discovery could have practical applications in controlling parasites that infect agricultural crops and livestock. Additionally, similar massive transposons called Starships have been found in fungi, potentially playing a role in the spread of wheat diseases. Understanding these genetic transfer mechanisms is crucial for comprehending genome evolution.

psychopharmacology2 years ago

Antidepressants and Worm Genes: Potential Keys to Slowing Aging

Selective serotonin reuptake inhibitors (SSRIs) commonly used to treat depression and anxiety can improve the quality of aging females’ egg cells in roundworms and fruit flies. The study found that exposure to SSRIs decreased embryonic death and chromosomal abnormalities in surviving offspring. The researchers said these findings could lead to new opportunities to explore pharmacological interventions that could combat infertility issues in humans by improving egg quality and delaying the onset of reproductive aging.