Tag

Nematodes

All articles tagged with #nematodes

Nematodes thrive in the Atacama Desert, reshaping ideas about life in extreme dryness
science1 month ago

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.

Tiny Nematodes Discovered Living Deep in Great Salt Lake Sediments
science1 month ago

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.

Hidden Nematodes: a thriving soil web discovered in the Atacama
science1 month ago

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.

Nematodes Survive and Adapt in the Atacama’s Ultra-Dry Soils
science2 months ago

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.

Wild Worm Towers: The First Natural Observation of a Superorganism
science10 months ago

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.

"Real-Life Dune: Worms Inspired by Movie Could Soon Become Reality"
science-and-entertainment2 years ago

"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.

"Surprising Discovery: New Animal Species Uncovered in Great Salt Lake"
science2 years ago

"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.

"Discovery of New Species in Great Salt Lake Alters Ecosystem Understanding"
science-and-environment2 years ago

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

Scientists have discovered a third form of multicellular life, nematodes, in the Great Salt Lake, challenging the long-held belief that only brine shrimp and brine flies inhabited the ultra-saline waters. These worms, found in microbialites on the lake bed, are uniquely adapted to the extreme salinity and may be at risk of disappearing as the lake's water levels decrease due to human usage and climate change. The study highlights the urgent need to understand and protect this unique ecosystem before it collapses completely.