One-letter difference in our DNA determines whether BCG vaccine provides good protection against tuberculosis or not. Researchers have elucidated how that one letter difference affects the activation ...

DNA and RNA methylation, initially thought to operate as distinct pathways, have been shown to interact closely, shifting our understanding of gene regulation. A team of researchers from the ...

This image depicts the chemical structure of cytosine. It shows a hexagonal ring with nitrogen atoms at positions 1 and 3, and a primary amine group attached to carbon 4. The two remaining positions ...

One key component might be RNA, a molecular cousin of DNA found in every form of life on Earth, and now scientists say they ...