A single enzyme that can generate all four nucleoside triphosphates, the building blocks of ribonucleic acid (RNA), has been ...

This diagram depicts the chemical structure of pyrimidine, a six-membered aromatic ring with two nitrogen atoms at positions 1 and 3 (highlighted in blue). The remaining positions are occupied by ...

Researchers say discoveries could expand the CRISPR toolbox and lead to more efficient, rapid diagnostic tools for detecting COVID-19, influenza, and RSV.

BEIJING, Jan. 20, 2026 /PRNewswire/ -- Beijing Tsingke Biotech Co., Ltd., a leading biotechnology company, today announced ...

Doctors have long believed the cancer drug 5-fluorouracil works by damaging the building blocks of DNA, but researchers have now found that in certain cancers, it kills cells by interfering with RNA ...

NUDT5 enzyme acts as a molecular scaffold that maintains metabolic balance. Inside every cell, a finely tuned metabolic network determines when to build, recycle or stop producing essential molecules.

Across all domains of life, immune defenses foil invading viruses by making it impossible for the viruses to replicate. Most known CRISPR systems target invading pathogens' DNA and chop it up to ...

This image illustrates the chemical structure of a purine molecule, highlighting the numbering of the carbon and nitrogen atoms. The purine structure consists of a pyrimidine ring (positions 1 to 6) ...

Add Yahoo as a preferred source to see more of our stories on Google. In 1957, just four years after Francis Crick and other scientists solved the riddle of DNA’s structure—the now famous double helix ...

In an investigation to find out what sparked life on Earth, researchers have discovered that RNA formed through surprisingly simple chemistry.