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Earth Sciences Jun 21, 2024

Many more bacteria produce greenhouse gases than previously thought, study finds

Caltech researchers have discovered a new class of enzymes that enable a myriad of bacteria to "breathe" nitrate when in low-oxygen conditions. While this is an evolutionary advantage for bacterial survival, the process produces ...

Biotechnology Jun 21, 2024

Beyond CRISPR: seekRNA delivers a new pathway for accurate gene editing

Scientists at the University of Sydney have developed a gene-editing tool with greater accuracy and flexibility than the industry standard, CRISPR, which has revolutionized genetic engineering in medicine, agriculture and ...

Cell & Microbiology Jun 13, 2024

Not wrapping but folding: Bacteria also organize their DNA, but they do it a bit differently

Some bacteria, it turns out, have proteins much like ours that organize the DNA in their cells. They just do it a bit differently. This is revealed by new research from biochemists at the Leiden Institute of Chemistry and ...

Cell & Microbiology Jun 11, 2024

Scientists unlock secrets of how the third form of life makes energy

An international scientific team has redefined our understanding of archaea, a microbial ancestor to humans from two billion years ago, by showing how they use hydrogen gas.

Cell & Microbiology May 22, 2024

Researchers discover distinct life cycle stages of the ectosymbiotic DPANN archaeon Nanobdella aerobiophila

Archaea are ubiquitous microorganisms whose evolution shaped the biosphere of Earth. Their evolutionary paths are truly fascinating. A great example is an ectosymbiotic lifestyle which is found among DPANN archaea.

Evolution May 10, 2024

Why evolution often favors small animals and other organisms

Small really does seem to be beautiful in evolutionary terms. The largest dinosaurs, pterosaurs and mammals may look impressive but these giants are vastly outnumbered by microscopic bacteria and single-celled algae and fungi. ...

Biotechnology May 10, 2024

Team develops efficient host-vector system for a model archaeon by solving CRISPR-based host-plasmid conflict

A research group has constructed versatile genetic tools for Saccharolobus islandicus REY15A, one of the very few archaeal models for archaea biology and CRISPR biology research.

Cell & Microbiology May 1, 2024

Archaea can be 'picky eaters': Study shows a group of parasitic microbes can change host metabolism

A parasite that not only feeds off its host, but also makes the host change its own metabolism and thus biology: NIOZ microbiologists Su Ding and Joshua Hamm, Nicole Bale, Jaap Damsté and Anja Spang have shown this for the ...

Cell & Microbiology Mar 29, 2024

Study identifies protein responsible for gas vesicle clustering in bacteria

Gas vesicles are hollow structures made of protein found in the cells of certain microorganisms, and researchers at Rice University believe they can be programmed for use in biomedical applications.

Evolution Mar 28, 2024

Model suggests how ancient RNA may have gained self-cutting ability essential for life

Scientists have long pondered the beginnings of life on Earth. One theory is that RNA, which is ubiquitous across all domains of life, played a central role in early life. Similar to DNA, RNA possesses the ability to store ...

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