Tag

Nematodes

All articles tagged with #nematodes

science19 days ago•13 min saved

46,000-Year-Old Nematodes Come Back to Life From Siberian Permafrost

Scientists revived Panagrolaimus kolymaensis, a 46,000-year-old nematode from Siberian permafrost; after thawing it briefly survived and then reproduced asexually for 100+ laboratory generations, with cryptobiosis and trehalose helping its cells endure freezing. The finding, reported in PLoS Genetics, offers new insights into evolutionary timelines, generation variability, and the potential to study resurrected ancient lineages for biodiversity and extinction-prevention research.

via Giant Freakin Robot|

#cryptobiosis #genetics #nematodes

science5 months ago•34 min saved

Nematodes thrive in the Atacama Desert, reshaping ideas about life in extreme dryness

A University of Cologne–led study published in Nature Communications finds a diverse nematode community in soils across six sites in the Atacama Desert, the world's driest non-polar desert, with 21 families and 36 genera; higher precipitation correlates with greater biodiversity, and asexual reproduction appears to aid survival in high-altitude areas, though some regions show simplified food webs, offering insights into life’s resilience in extreme aridity amid climate-change context.

via Yahoo|

#atacama-desert #climate-change #nature-communications

science5 months ago•4 min saved

Tiny Nematodes Thrive Beneath the Atacama's Harsh Surface, Redefining Desert Life

Six sampling sites across the Atacama Desert revealed diverse nematode communities thriving in buried soil, showing life can persist in extreme dryness and highlighting a richer desert ecosystem with implications for soil resilience amid increasing aridity from climate change.

via The Daily Galaxy|

#arid-ecosystems #atacama-desert #climate-change-resilience

science5 months ago•6 min saved

Tiny Nematodes Discovered Living Deep in Great Salt Lake Sediments

University of Utah researchers report finding microscopic nematodes living in the sediment beneath Great Salt Lake, revealing a hidden layer of biodiversity in this hypersaline environment. Genetic analysis identified multiple nematode species that inhabit lakebed spaces, feeding on bacteria and organic matter to help recycle nutrients and potentially shaping the lake’s microbial ecosystem. The discovery, published in the Journal of Nematology, expands our understanding of life in extreme habitats.

via The Daily Galaxy|

#biodiversity #extremophiles #great-salt-lake

science5 months ago•3 min saved

Hidden Nematodes: a thriving soil web discovered in the Atacama

A Nature Communications study finds diverse nematode communities in the Atacama Desert’s soils across six sites (dunes, altiplano, saline lakes, river valleys, fog oases), with 21 families and 36 genera. Genus richness correlates with moisture, elevation, and climate gradients, and reproduction modes shift with altitude (asexual at higher altitudes, sexual at lower). The work shows stable soil life even in hyper-arid cores and underscores implications for predicting soil resilience as global aridity increases and climate change progresses.

via BBC Wildlife Magazine|

#arid-environments #atacama-desert #climate-resilience

science7 months ago•5 min saved

Tiny Nematodes Defy Desolation Beneath the Atacama Desert

Scientists studying the Atacama Desert discovered thriving nematode communities beneath the surface, showing how multicellular soil life adapts to extreme dryness and salinity, contributing to nutrient cycling and offering insight into biodiversity and climate-change impacts in arid ecosystems.

via Indian Defence Review|

#atacama-desert #climate-change #extreme-environments

science7 months ago•7 min saved

Nematodes Survive and Adapt in the Atacama’s Ultra-Dry Soils

An international study across six Atacama sites finds diverse nematode communities persisting in ultra-dry soils; higher elevations favor parthenogenetic (asexually reproducing) species, while more water boosts biodiversity. The findings reveal resilient soil ecosystems in extreme deserts and warn that simplified food webs in some regions may be more vulnerable to climate change.

via SciTechDaily|

#atacama-desert #climate-change #nematodes

science10 months ago•3 min saved

Flying Parasitic Worms Use Superpower to Ambush Prey in Midair

Researchers discovered that a tiny parasitic roundworm, S. carpocapsae, uses static electricity to ambush prey midair by jumping up to 25 times its body length, leveraging electrostatic forces to increase landing success, revealing fascinating insights into the physics and biology of microscopic predators.

via Gizmodo|

#animal-behavior #biophysics #nematodes

science10 months ago•4 min saved

Ancient Permafrost Microbes Resurrected, Raising Climate Concerns

Scientists successfully revived a 46,000-year-old nematode from Siberian permafrost, revealing its survival mechanisms and potential applications in biobanking and medicine, while also identifying it as a new species, Panagrolaimus kolymaensis, with unique genetic adaptations for long-term preservation.

via Earth.com|

#cryptobiosis #genomics #nematodes

science1 year ago•3 min saved

Wild Worms Build Tower Structures in a First-Ever Natural Observation

Scientists in Germany have observed nematode worms forming cooperative 'superorganisms' by creating towering structures in the wild, a behavior previously only seen in labs, revealing new insights into their social interactions and group movement strategies.

via Indian Defence Review|

#cooperative-behavior #group-movement #nematodes

science1 year ago•3 min saved

Wild Worm Towers: The First Natural Observation of a Superorganism

Researchers in Germany have observed for the first time in the wild nematodes forming towering structures, previously seen only in labs, which serve as a means of mass transit and cooperation among worms, indicating a complex, mutually-beneficial behavior. The study also demonstrated that similar structures can be formed by the model organism C. elegans, suggesting this behavior may be widespread among worms for group movement.

via Live Science|

#mutual-cooperation #natural-behavior #nematodes

science1 year ago•3 min saved

Wild Worm Towers and Superorganisms: Nature's Tiny Architects

For the first time in the wild, researchers observed nematodes forming towering structures, previously seen only in labs, suggesting a cooperative behavior for mass transit. The study also demonstrated that similar structures can be formed by other worms like C. elegans, indicating that such group movement strategies might be widespread among worms.

via Yahoo|

#group-movement #natural-behavior #nematodes

science1 year ago•4 min saved

Wild Worms Form First-Ever Living Flesh Towers

Scientists in Germany have documented wild nematodes building flesh towers, a behavior previously only observed in labs, which they use for dispersal and interaction with animals, revealing new insights into their collective behavior and ecological roles.

via Gizmodo|

#collective-behavior #dispersal #nematodes

science-and-entertainment2 years ago•1 min saved

"Real-Life Dune: Worms Inspired by Movie Could Soon Become Reality"

A biology professor at the University of Utah, Michael Werner, who specializes in nematodes, or roundworms, discusses the real science behind the giant worms in the movie "Dune." He explains that while Earth doesn't have worms as large as those in the movie, there are similarities between the fictional creatures and real nematode species. Werner also muses on the potential uses of worms for interstellar travel and reflects on how "Dune" shaped his worldview as a child.

via KSL.com|

#dune #nematodes #science-and-entertainment

science2 years ago•2 min saved

"Surprising Discovery: New Animal Species Uncovered in Great Salt Lake"

Scientists have discovered a new species of nematode, or roundworm, in the Great Salt Lake, making it just the third multicellular animal known to inhabit the lake alongside brine shrimp and brine flies. The nematodes were found in the lake's southern arm, living in microbialites, which cover about 20% of the lakebed. This discovery raises new questions about the lake's ecosystem and the limits of animal habitability in extreme environments. The fate of these nematodes, potentially a new species, is threatened by the declining levels of the Great Salt Lake, which is impacting the insects and waterfowl that depend on them.

via St. George News|

#animal-discovery #great-salt-lake #microbialites