Search results for DNA:
ET: Check your voicemail
Space & Earth / Space Exploration
Nov 24, 2009 |
3.7 / 5 (6) |
5
(PhysOrg.com) -- Alien beings on faraway planets may not have noticed, but it’s been 35 years since human beings made the first deliberate effort to send them a message.
First-ever blueprint of a minimal cell is more complex than expected
Nov 26, 2009 |
4.9 / 5 (19) |
4
What are the bare essentials of life, the indispensable ingredients required to produce a cell that can survive on its own? Can we describe the molecular anatomy of a cell, and understand how an entire organism ...
New tools for prediction of disease progression in acute childhood leukemia
Nov 27, 2009 |
not rated yet |
0
(PhysOrg.com) -- Researchers at Uppsala University and University Children’s Hospital in Uppsala have devised powerful new tools for typing cells from children with acute lymphatic leukemia and for prediction of how children ...
Cells defend themselves from viruses, bacteria with armor of protein errors
Nov 25, 2009 |
5 / 5 (7) |
1
When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them ...
Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver
Nov 25, 2009 |
4.5 / 5 (4) |
0
When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...
Asian carp may have breached barrier protecting Lake Michigan
Nov 24, 2009 |
5 / 5 (5) |
0
Two feared species of Asian carp have zoomed beyond the $9 million electric barriers built to keep them out of Lake Michigan. Now, the only thing left between the carp and the Great Lakes is a lock and dam in southern Chicago.
Acute stress leaves epigenetic marks on the hippocampus
Medicine & Health / Psychology & Psychiatry
Nov 24, 2009 |
4.6 / 5 (8) |
0
(PhysOrg.com) -- Scientists are learning that the dynamic regulation of genes -- as much as the genes themselves -- shapes the fate of organisms. Now the discovery of a new epigenetic mechanism regulating genes in the brain ...
Gene mismatch influences success of bone marrow transplants
Nov 22, 2009 |
4 / 5 (1) |
0
A commonly inherited gene deletion can increase the likelihood of immune complications following bone marrow transplantation, an international team of researchers reports in the November 22 advance online issue of Nature Ge ...
First 'genetic map' of Han Chinese may aid search for disease susceptibility genes
Nov 25, 2009 |
not rated yet |
0
The first genetic historical map of the Han Chinese, the largest ethnic population in the world, as they migrated from south to north over evolutionary time. was published online today by the American Journal of Human Ge ...
The tall and short of diseases
Nov 25, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- Research shows that being taller means a fatter pay check and an increased risk of some cancers.
Probing life's extremes in Yellowstone (w/ Podcast)
Nov 24, 2009 |
not rated yet |
0
(PhysOrg.com) -- Idaho National Laboratory biologist Frank Roberto squats on a bare, gravelly patch of ground in Yellowstone National Park's rolling backcountry. At his feet, scalding water churns in a mustard-yellow ...
Spider secrets decoded in world-first database
Nov 23, 2009 |
not rated yet |
0
(PhysOrg.com) -- Queensland scientists have developed a world-first database that catalogues the venom components from hundreds of spiders.
Insect resistance to Bt crops can be predicted, monitored and managed
Nov 23, 2009 |
not rated yet |
0
Since 1996, crop plants genetically modified to produce bacterial proteins that are toxic to certain insects, yet safe for people, have been planted on more than 200 million hectares worldwide. The popularity of these Bt ...
Arsenic biomethylation required for oxidative DNA damage
Nov 23, 2009 |
not rated yet |
0
Biomethylation of arsenic compounds appears to cause oxidative DNA damage and to increase their carcinogenicity, according to a new study published online November 23 in the Journal of the National Cancer Institute.
