The DNA packed inside every human cell contains instructions for life, written in billions of letters of genetic code. Every time a cell divides, the complete code, divided among 46 chromosomes, must ...

Unlike nuclear DNA, mitochondrial DNA (mtDNA) is circular in nature and organized as mitochondrial nucleoids comprised of DNA-protein complexes that are distributed in the matrix. It is also inherited ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 84, No. 4 (Feb. 15, 1987), pp. 950-954 (5 pages) We examined the roles of DNA topoisomerases in the replication of ...

DNA, or deoxyribonucleic acid, is the hereditary material found in nearly all living organisms. It carries the genetic instructions for the development, functioning, growth, and reproduction of all ...

On 22 May 2019, scientists from Queen's University boarded a modified Falcon 20 aircraft at Ottawa airport. Scheduled was a ‘vomit comet’ flight, where the plane repeatedly climbs to 8km in a steep ...

The complex appears to reel in the DNA around the mismatch as well, marking and protecting the DNA region until repair can occur. "Due to the mobility of these proteins, current thinking envisioned ...

DNA is a biological molecule that contains the instructions an organism needs to function, develop, and reproduce. It is present in all forms of life on earth and contains each organism’s genetic code ...

Researchers have demonstrated a programmable nano-scale robot, made from a few strands of DNA, that's capable of grabbing other snippets of DNA, and positioning them together to manufacture new ...

Nanoscale “robots” made of DNA that rapidly self-replicate could be harnessed to manufacture drugs or other chemicals inside the body, say researchers. Tiny machines made of DNA origami may make ...

This transcript has been edited for clarity. For more episodes, download the Medscape app or subscribe to the podcast on Apple Podcasts, Spotify, or your preferred podcast provider. Dr Liu is a ...