News tagged with nucleosomes

Which sequences make DNA unwrap and breathe?

Accessing DNA wrapped into basic units of packaging, called nucleosomes, depends on the underlying sequence of DNA building blocks, or base pairs. Like Christmas presents, some nucleosomes are easier to unwrap than others. ...

dateDec 05, 2017 in Biotechnology
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Why some genes are highly expressed

The DNA in our cells is folded into millions of small packets, like beads on a string, allowing our two-meter linear DNA genomes to fit into a nucleus of only about 0.01 mm in diameter. However, these molecular beads, called ...

dateNov 05, 2015 in Cell & Microbiology
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Scientists find DNA is packaged like a yoyo

To pack two meters of DNA into a microscopic cell, the string of genetic information must be wound extremely carefully into chromosomes. Surprisingly the DNA's sequence causes it to be coiled and uncoiled much like a yoyo, ...

dateMar 16, 2015 in Cell & Microbiology
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