Posts Tagged ‘chromosome’
Tempo matters for female frogs
U. MISSOURI (US) — Certain female tree frogs may be remarkably attuned to the songs of mates who share the same number of chromosomes as they do, a new study shows. Continue…
Friday, December 30, 2011 12:56 - 2 Comments
Science & Technology - Aug 12, 2011 15:56 - 1 Comment
Zebrafish sex: It’s complicated
VANDERBILT (US) — Talk about gender issues. Zebrafish don’t have a typical X and Y sex chromosome, so how to tell boys from girls? (more…)
Science & Technology - Nov 8, 2010 12:13 - 0 Comments
Do sperm have commitment phobia?
U. MINNESOTA (US) — Germ cells, the cells that give rise to eggs and sperm, undergo a special form of cell division that commits them to their fates. But future sperm put it off much longer than future eggs do. (more…)
Science & Technology - Oct 13, 2010 9:40 - 0 Comments
Cancer clues in DNA magic rings trick
UC DAVIS (US) — New research shows, how like a conjuring trick with interlocking rings, two interlocked pieces of DNA are separated after DNA is copied or repaired. (more…)
Health & Medicine - Jun 16, 2010 9:36 - 4 Comments
Protein plays active role in rare kidney disease
U. LEEDS (UK)—The discovery of the mechanisms of a protein known to play an active part in an extremely rare inherited kidney disorder called Dent’s disease may provide a new focus for future therapies. (more…)
Health & Medicine - Apr 29, 2010 22:16 - 0 Comments
Chromosome caps no match for UV
YALE (US)—The molecular caps at the ends of chromosomes that protect humans against cancer and premature cellular aging show a surprising inability to protect themselves against ultraviolet radiation, according to a new study. (more…)
Health & Medicine - Apr 20, 2010 12:24 - 0 Comments
DNA repair model confirmed after 26 years
UC DAVIS (US)—Researchers have confirmed a central idea about chromosome repair, more than a quarter century after it was first proposed. The finding is expected to advance the understanding of DNA repair, a vital process in preventing cancer and birth defects. (more…)
Health & Medicine - Mar 15, 2010 11:44 - 0 Comments
Flipping the switch to trigger cell suicide
U. COLORADO (US)—The discovery of a previously unknown cellular “switch” may provide researchers with a new means of triggering programmed cell death, findings with implications for treating cancer. (more…)
Science & Technology - Feb 8, 2010 11:01 - 15 Comments
Genetic variants linked to human aging
KING’S COLLEGE LONDON (UK)—After analyzing more than 500,000 genetic variations across the entire human genome, a research team has identified definitive variants associated with biological aging in humans. (more…)
Health & Medicine - Nov 25, 2009 12:34 - 1 Comment
Childhood abuse may lead to early aging
BROWN (US)—Children who suffer physical or emotional abuse may be at greater risk of developing a variety of aging-related medical conditions as adults, including cardiovascular disease and cancer. (more…)
Science & Technology - Jun 18, 2009 9:28 - 0 Comments
Nanoscale DNA slices reveal cell division force
Micrograph showing condensed chromosomes in blue and the mitotic spindle in green during cell division. (Courtesy: Oak Ridge National Laboratory, Image Science and Machine Vision Unit)
