News tagged with nucleosomes

A foot in the door to genetic information

In the cell nucleus, DNA wraps around what are called histone proteins, forming regularly spaced spherical bodies called nucleosomes. Thus, large portions of the genetic material are inaccessible to the gene reading machinery. ...

dateMar 07, 2012 in Biochemistry
shares0 comments 0

How plants 'feel' the temperature rise

Plants are incredibly temperature sensitive and can perceive changes of as little as one degree Celsius. Now, a report in the January 8th issue of the journal Cell, a Cell Press publication, shows how they not only 'feel' ...

dateJan 07, 2010 in Cell & Microbiology
shares0 comments 1

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
shares3 comments 0

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
shares27 comments 1