What do a human, a rose, and a bacterium have in common? Each of these things — along with every other organism on Earth — contains the molecular instructions for life, called deoxyribonucleic ...

When an organism dies, the DNA in its cells begins to break down - over time it splits into smaller and smaller chunks, as well as accumulating other forms of damage. It also gets contaminated ...

DNA is a linear biopolymer, a compound biomolecule in the form of a double helix. Polymers are made of monomers, and in DNA, ...

One way they do this is to use a DNA microarray to determine the expression levels of genes. When a gene is expressed in a cell, it generates messenger RNA (mRNA). Overexpressed genes generate ...

Combinations of these atoms form the sugar-phosphate backbone of the DNA -- the sides of the ladder, in other words. Other combinations of the atoms form the four bases: thymine (T), adenine (A ...

Multiple RAD51 proteins bind along the length of broken single-stranded DNA to form filaments, which allows the damaged strands to be restored by lining up with their complete strands. Although ...

and one form of hepatitis. Recently several teams have deployed CRISPR in an attempt to eliminate HIV from the DNA of human cells. The results have been only partially successful, but many ...

科技日报北京9月1日电 （记者张梦然）DNA因其标志性的双螺旋结构而广为人知。但澳大利亚加文医学研究所科学家发现，人类基因组还含有超过5万个不寻常的结状DNA结构，称为i-基序。最新一期《EMBO》杂志发表了这些独特DNA结构的第一张综合图谱，揭示了它们在 ...

Georgina Saville, 25, confessed to jurors that she had doctored the photo of a DNA test, but said it was 'obvious' it wasn't ...

Like other women in her family, Amy Soulsby was diagnosed with an aggressive form of breast cancer. Her only regret is that ...

How was familial DNA searching used to catch a murderer for the first time, 15 years ago, and more recently the suspected Golden State Killer? WARNING: This account includes some graphic ...