Chromosomes - long, linear DNA molecules – are capped at their ends with special DNA structures called telomeres and an assortment of proteins, which together act as a protective sheath. Telomeres are maintained through ...
Cell & Microbiology
Nov 21, 2012
1
0
(Phys.org)—Purdue University scientists have determined that a gene long known to be involved in cancer cell formation and chemotherapy resistance is key to proper RNA creation, an understanding that could one day lead ...
Biochemistry
Sep 12, 2012
0
0
(Phys.org) -- Genetic material has many inactive sections that are of major importance for cell identity and genome stability. The HP1 protein takes on key functions in shutting down such genomic sequences. In the latest ...
Cell & Microbiology
Jun 11, 2012
0
0
Researchers at the University of California, Davis have discovered a key tool that helps sperm and eggs develop exactly 23 chromosomes each. The work, which could lead to insights into fertility, spontaneous miscarriages, ...
Cell & Microbiology
Apr 12, 2012
0
1
Cells trying to keep pace with constantly changing environmental conditions need to strike a fine balance between maintaining their genomic integrity and allowing enough genetic flexibility to adapt to inhospitable conditions. ...
Cell & Microbiology
Jan 29, 2012
0
0
Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Cell & Microbiology
Nov 23, 2011
1
0
In the quest to understand genomes -- how they're built, how they're organized and what makes them work -- a team of Johns Hopkins researchers has engineered from scratch a computer-designed yeast chromosome and incorporated ...
Cell & Microbiology
Sep 14, 2011
29
0
Researchers from Trinity College Dublin have uncovered the evolutionary mechanisms that have caused increases or decreases in the numbers of chromosomes in a group of yeast species during the last 100-150 million years. The ...
Biotechnology
Jul 21, 2011
0
0
(PhysOrg.com) -- A study the latest issue of Nature Cell Biology sheds light on the mechanism controlling telomere length in budding yeast. In this publication, scientists from the Friedrich Miescher Institute for Biomedical ...
Cell & Microbiology
Jul 13, 2011
0
0
(PhysOrg.com) -- When a cell divides, the genetic information in the chromosomes must be passed on error-free to the daughter cells. Researchers at the Friedrich Miescher Laboratory in Tübingen are studying this process ...
Cell & Microbiology
Jun 30, 2011
0
0
