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Search results for Archaea

Evolution Aug 15, 2024

How researchers reconstructed the ancestor of all life on Earth

Understanding how life began and evolved on Earth is a question that has fascinated humans for a long time, and modern scientists have made great advances when it comes to finding some answers. Now, our recent study hopes ...

Ecology Aug 14, 2024

Earth's oldest, tiniest creatures are poised to be climate change winners—and the repercussions could be huge

The world's oceans are home to microscopic organisms invisible to the human eye. The tiny creatures, known as "prokaryotes," comprise 30% of life in the world's oceans.

Molecular & Computational biology Aug 9, 2024

Researchers find β-d-manno-heptoses are immune agonists across kingdoms

Bacterial small molecule metabolites, such as adenosine-diphosphate-d-glycero-β-d-manno-heptose (ADP-heptose) and their derivatives, act as effective innate immune agonists in mammals.

Plants & Animals Aug 8, 2024

DNA Topoisomerase insights hold potential for drug discovery and plant protection

Insights into the function of DNA Topoisomerase VI (Topo VI) may provide a springboard for drug discovery and crop protection.

Molecular & Computational biology Aug 6, 2024

Researchers identify over 2,000 potential toxins using machine learning

In a novel study, researchers have unveiled new secrets about a fascinating bacterial weapon system that acts like a microscopic syringe. The research paper, titled "Identification of novel toxins associated with the extracellular ...

Evolution Aug 5, 2024

Sex chromosomes may reduce 'sexual conflict' during evolution, say researchers

Researchers from Tokyo Metropolitan University have taken a big step in solving the mystery around why animals evolve sex chromosomes. It had long been proposed that sex chromosomes evolved to reduce "sexual conflict," the ...

Ecology Aug 2, 2024

Ancient Antarctic microorganisms are aggressive predators

In Antarctica there is a small lake, called Deep Lake, that is so salty it remains ice-free all year round despite temperatures as low as -20°C in winter. Archaea, a unique type of single-celled microorganism, thrive in this ...

Cell & Microbiology Jul 24, 2024

Scientists publish first experimental evidence for new groups of methane-producing organisms

A team of scientists from Montana State University has provided the first experimental evidence that two new groups of microbes thriving in thermal features in Yellowstone National Park produce methane—a discovery that could ...

Earth Sciences Jul 22, 2024

Microbes likely form magnetite in the South China Sea

Magnetite, the most magnetic mineral on Earth, is increasingly being found in seafloor environments that are rich in iron and have high methane flux. But how it forms in such settings—whether by microbes that thrive near ...

Biochemistry Jul 18, 2024

Discovery of a tRNA modification enzyme that also acts on nucleosides

The genetic information on DNA is transcribed into messenger RNA (mRNA) and translated to the amino acid sequence by transfer RNA (tRNA) on the ribosome. Modified nucleosides within RNA are involved in maintaining and regulating ...

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