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Cell & Microbiology May 28, 2025

Mirror-image molecules deliver one-two punch to superbugs to fight infections

Since the discovery of penicillin nearly a century ago, antimicrobial resistance (AMR) has become a stealthy, pervasive enemy in the fight against bacterial infections. AMR claims an estimated 1.27 million lives a year and ...

Biochemistry May 28, 2025

Early Earth chemistry: Triplet RNA building blocks and freeze-thaw cycles enable self-replication in water

Chemists at UCL and the MRC Laboratory of Molecular Biology have demonstrated how RNA (ribonucleic acid) might have replicated itself on early Earth—a key process in the origin of life.

Space Exploration May 28, 2025

A new nuclear rocket technology takes another step forward

Nuclear thermal propulsion (NTP) has stood as a promising potential alternative propulsion technology for decades. Chemical rockets have begun to reach their theoretical maximum efficiency, and their developers have switched ...

Evolution May 26, 2025

How rapid DNA repair in plants protects genomes from internal threats

Scientists have uncovered a critical role for rapid DNA repair in maintaining genome stability. A new study reveals that repair of double-strand breaks (DSBs) in nuclear DNA in plants serves as a powerful safeguard against ...

Molecular & Computational biology May 23, 2025

Microscopic movies capture brain proteins in action, revealing new insight into shapes and functions

Our cells rely on microscopic highways and specialized protein vehicles to move everything—from positioning organelles to carting protein instructions to disposing of cellular garbage. These highways (called microtubules) ...

Cell & Microbiology May 23, 2025

Fungi fight viruses with RNA editing that rewires their genetic response

The expression of symptoms of viral infections is a byproduct of complex virus-host molecular pathways. These remain largely unknown, especially in the case of fungus-virus pathogen systems.

Plants & Animals May 22, 2025

Flowers unfold with surprising precision, despite unruly genes

Flowers grow stems, leaves and petals in a perfect pattern again and again. A new Cornell study shows that even in this precise, patterned formation in plants, gene activity inside individual cells is far more chaotic than ...

Evolution May 22, 2025

'Selfish' genes called introners proven to be a major source of genetic complexity

DNA is the genetic code that provides the biological instructions for every living species, but not every bit of DNA helps the species survive. Some pieces of DNA are more like parasites, along for the ride and their own ...

Bio & Medicine May 22, 2025

Gene delivery system uses nanostraws and electrical pulses to engineer cancer-fighting immune cells

Researchers at the National University of Singapore (NUS) have developed a scalable, non-viral technology that efficiently delivers genetic material into human immune cells. The platform, called Nanostraw Electro-actuated ...

Molecular & Computational biology May 21, 2025

Unlocking G-protein subunit GS3: How redox regulation shapes rice grain size

A research team led by Prof. Li Yunhai from the Institute of Genetics and Developmental Biology (IGDB) of the Chinese Academy of Sciences has uncovered a previously hidden mechanism that regulates rice grain size—a key ...

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