Rockefeller University

Centromeres cross over, a lot

Recombination at centromeres is higher than anywhere else on the chromosome, even though methyltransferases do their best to prevent it, say Jaco et al., as published in the June 16 issue of the Journal of Cell Biology.

Jun 12, 2008 4.3 / 5 (3) 0

New study bolsters beliefs about DNA repair

Aucott et al. report the first in vivo experiments on the heterochromatin protein 1 (HP1) family, which sidles up to silent DNA. The results, to be published in the Nov. 17 issue of the Journal of Cell Biology, add to the ...

Nov 17, 2008 4.3 / 5 (3) 0

Molecule stops DNA replication in its tracks

(PhysOrg.com) -- When a dividing cell duplicates its genetic material, a molecular machine called a sliding clamp travels along the DNA double helix, tethering the proteins that perform the replication. Researchers ...

Oct 20, 2008 4 / 5 (3) 0

HIV pays a price for invisibility

Mutations that help HIV hide from the immune system undermine the virus's ability to replicate, show an international team of researchers in the April 13 issue of the Journal of Experimental Medicine. The study was publis ...

Apr 13, 2009 3 / 5 (4) 1

Egg P bodies protect maternal gene messages

A cell decides what proteins to make based on the messages it receives from its genome. Sometimes messages are held back to be read later, and in most cell types these delayed messages are stored and eventually marked for ...

Aug 11, 2008 3.7 / 5 (3) 0

Scientists identify a key regulator of DNA mutations

As a general rule, your DNA is not something you want rearranged. But there are exceptions – especially when it comes to fighting infections. Since the number of microbes in the world far surpasses the amount of human DNA ...

Jun 10, 2008 5 / 5 (2) 0