Tag

Dna Sequencing

All articles tagged with #dna sequencing

science4 days ago•5 min saved

Ocean Census Unveils 1,121 New Marine Species in a Year

Ocean Census reports 1,121 previously unknown marine species identified in a single year, accelerated by NOVA—a digital platform that enables rapid imaging, DNA sequencing, and data sharing to fast-track naming. Highlights include the ghost shark, the carnivorous death-ball sponge, a worm living in a glass sponge, a sea pen, and a ribbon worm, underscoring the urgency of documenting ocean biodiversity before it vanishes and hinting at potential medical breakthroughs.

via BBC Wildlife Magazine|

#dna-sequencing #marine-biodiversity #new-species

biology7 days ago•8 min saved

Two-Mile-Deep ‘Golden Orb’ Unmasked as Deep-Sea Anemone Base

Scientists solved the two-mile-deep “golden orb” mystery from NOAA’s Gulf of Alaska dive: the orb is not an egg, sponge, or alien object but the base remains of a giant deep-sea anemone, Relicanthus daphneae, identified through integrative taxonomy and whole-genome sequencing.

via SciTechDaily|

#anemone #biology #deep-sea

science1 month ago•35 min saved

Alaska Seafloor Golden Orb Identified as Giant Anemone Remnant

A 4-inch golden orb found about two miles deep off Alaska in 2023 was identified by NOAA researchers as a remnant base of Relicanthus daphneae, a giant deep-sea anemone, after collaborative morphological and DNA analyses with the Smithsonian and other experts.

via Yahoo|

#deep-sea #dna-sequencing #golden-orb

science1 month ago•39 min saved

Deep-Sea Gold: Orb Turned Out to Be Anemone Tissue

A glowing four-inch orb found on the Gulf of Alaska seafloor during NOAA’s 2023 Seascape Alaska expedition was identified through later genetic testing as a piece of tissue from Relicanthus daphneae, a rare deep-sea giant sea anemone. The discovery concluded that the orb wasn’t an egg or new species but dead cells at the base of the anemone, underscoring the deep ocean’s ongoing mysteries and the subtle process of tissue shedding that can leave behind such glowing relics.

via Yahoo|

#deep-sea #dna-sequencing #golden-orb

science1 month ago•7 min saved

Golden Orb Mystery Solved: Remnant of a Giant Deep-Sea Anemone Identified

Scientists have solved the two-year mystery of the Gulf of Alaska’s “golden orb,” identifying it as a remnant of the base of the giant deep-sea anemone Relicanthus daphneae. Using morphological analysis and whole-genome sequencing (since initial DNA barcoding was inconclusive), researchers confirmed animal DNA matching Relicanthus daphneae and linked the orb to the rock-attached base of the creature. The specimen has been accessioned into the Smithsonian NMNH collection, illustrating how advanced genomic methods help unveil deep-sea mysteries.

via NOAA (.gov)|

#deep-sea #dna-sequencing #golden-orb

science-tech2 months ago•12 min saved

AI helps tailor cancer vaccine for dog, but scientists urge caution

An Australian tech entrepreneur used AI tools to help design a personalized mRNA cancer vaccine for his eight-year-old dog, Rosie, after mast cell tumors persisted post-surgery and chemotherapy. DNA sequencing of Rosie’s tumor identified mutations (neoantigens); AI helped select targets, and researchers at the University of New South Wales turned these into an experimental vaccine administered to Rosie, with several tumors shrinking and the dog showing improved energy. However, this is a single case, not a controlled study, so it cannot be taken as a cure and highlights the need for robust testing, ethical safeguards, and careful interpretation of AI-assisted results before broader use.

via The Conversation|

#ai #cancer-vaccine #dna-sequencing

technology2 months ago•3 min saved

AI-designed mRNA vaccine shrinks dog's cancer, fueling hopes for human treatment

An AI-assisted effort led to an mRNA vaccine that halved a dog’s mast cell tumor during a Sydney trial. The owner used a chatbot to brainstorm therapies and then worked with UNSW scientists who DNA-sequenced the tumor to tailor the vaccine. While the result is promising for pets and could inform human cancer research, experts caution against hype and note that more evidence is needed before any broader claims.

via Dawn|

#ai #cancer #dna-sequencing

science3 months ago•3 min saved

DeepMind's AlphaGenome Lets AI Scan a Full Million-Letter Genome at Once

DeepMind's AlphaGenome, described in Nature, can analyze up to about 1 megabase of DNA at a time—roughly a million letters—outperforming prior AI models in 25 of 26 tests and predicting thousands of functional genomic tracks along with nearly 6,000 human genetic signals. Trained on both human and mouse genomes, it aims to illuminate how coding and non-coding regions interact and regulate genes. While praised as a milestone, experts caution that data quality and standardization remain limiting factors; the model could help diagnose rare genetic diseases, identify cancer mutations, and reveal drug targets, but it isn’t a complete solution yet.

via Gizmodo|

#alphagenome #artificial-intelligence #dna-sequencing

history5 months ago•3 min saved

Reevaluating the Origins of the 'First Black Briton' and Beachy Head Woman

Recent DNA analysis shows that the Beachy Head Woman, once thought to be of sub-Saharan or Cypriot origin, was actually a local from Roman-era southern England, correcting previous misconceptions about her ancestry.

via The Guardian|

#ancient-dna #beachy-head-woman #dna-sequencing

science5 months ago•5 min saved

Reevaluating the Origins of Beachy Head Woman and Britain's First Black Briton

New DNA analysis reveals that the Beachy Head Woman, a Roman-era skeleton found in southern England, was likely a local Briton rather than of Mediterranean or sub-Saharan African origin, resolving a decade-long mystery about her ancestry.

via Natural History Museum|

#ancient-dna #archaeology #beachy-head-woman

science7 months ago•2 min saved

Revolutionizing Genetic Data Search with a DNA Search Engine

MetaGraph is a new search engine that indexes vast amounts of biological data, including DNA, RNA, and proteins, enabling researchers to efficiently explore and analyze petabases of genetic information across various life forms, thus revolutionizing data accessibility and biological research.

via Nature|

#biological-data #dna-sequencing #genomics

science7 months ago•97 min saved

Advanced DNA Search Engine Enhances Genetic Data Analysis

The article discusses MetaGraph, a scalable framework for indexing petabase-scale biological sequence repositories, enabling efficient and accurate full-text search across vast datasets like the SRA and ENA, with potential to revolutionize genomic research and data accessibility.

via Nature|

#bioinformatics #dna-sequencing #metagraph

science8 months ago•2 min saved

1890s Bacteria Found in 130-Year-Old Danish Butter Additive

Researchers in Denmark discovered 130-year-old bacteria in bottles used for butter production, revealing insights into historical dairy practices, including the use of starter cultures like Lactococcus cremoris, and highlighting past hygiene challenges with contamination by bacteria such as Staphylococcus aureus and skin bacteria.

via IFLScience|

#bacteria #dairy #danish-butter

science8 months ago•4 min saved

Advanced DNA Sequencing Uncovers Hidden Soil Microbes and Antibiotic Sources

A team at Rockefeller has developed a new method to extract and analyze large DNA sequences from soil microbes, leading to the discovery of hundreds of new genomes and promising antibiotic candidates, potentially revolutionizing microbiology and drug discovery.

via Phys.org|

#antibiotics #dna-sequencing #metagenomics

science8 months ago•9 min saved

Unveiling Earth's Most Mysterious Creatures

Scientists are uncovering a vast number of undiscovered small organisms, known as dark taxa, using advanced DNA sequencing techniques, revealing that much of Earth's biodiversity remains unknown and emphasizing the importance of cataloging all species for ecological and survival reasons.

via vox.com|

#biodiversity #dark-taxa #dna-sequencing