Dec 7, 2022

Chemists Discover Why Synonymous DNA Mutations Are Not Always Silent

Posted by in categories: biotech/medical, genetics

Modeling shows how genetic changes that don’t lead to changes in protein sequence can still alter protein function.

New modeling shows how synonymous mutations — those that change the DNA

DNA, or deoxyribonucleic acid, is a molecule composed of two long strands of nucleotides that coil around each other to form a double helix. It is the hereditary material in humans and almost all other organisms that carries genetic instructions for development, functioning, growth, and reproduction. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).

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