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Cell Biology News
Sat, 21 Apr 2018 08:57:28 EDT
Scientists discover gene controlling genetic recombination rates
Genetic recombination is vital to natural selection, yet some species display far more crossover than others. Scientists have discovered a gene in fruit flies that is responsible for the evolution of these recombination rates.
Fri, 20 Apr 2018 12:28:51 EDT
New DNA screening reveals whose blood the vampire bat is drinking
The vampire bat prefers to feed on domestic animals such as cows and pigs. When it does so, there is a risk of transmission of pathogens. Now, a new study describes a new DNA method to efficiently screen many vampire bat blood meal and fecal samples with a high success rate and thereby determine which animals the vampire bats have fed on blood from.
Fri, 20 Apr 2018 12:28:41 EDT
Trees are not as 'sound asleep' as you may think
High-precision three-dimensional surveying of 21 different species of trees has revealed a yet unknown cycle of subtle canopy movement during the night. The 'sleep cycles' differed from one species to another. Detection of anomalies in overnight movement could become a future diagnostic tool to reveal stress or disease in crops.
Fri, 20 Apr 2018 12:28:30 EDT
Fat cells seem to remember unhealthy diet
Fat cells can be damaged in a short amount of time when they are exposed to the fatty acid palmitate or the hormone TNF-alpha through a fatty diet, a new study shows. The researchers hope this new knowledge may be used to develop new preventive strategies for diabetes.
Fri, 20 Apr 2018 12:28:04 EDT
Wood formation model to fuel progress in bioenergy, paper, new applications
Need stronger timber, better biofuels or new sources of green chemicals? A systems biology model developed over decades of research will accelerate progress in engineering trees for specific needs.
Thu, 19 Apr 2018 14:15:44 EDT
A complete cell atlas and lineage tree of the immortal flatworm
From one stem cell to many differentiated body cells: Scientists have now published a comprehensive lineage tree of a whole adult animal. This was made possible by a combination of RNA and computational technologies.
Thu, 19 Apr 2018 14:15:23 EDT
Novel antioxidant makes old blood vessels seem young again
Older adults who take an antioxidant that specifically targets mitochondria see age-related changes in blood vessels reverse by the equivalent of 15 to 20 years within six weeks, a new study shows.
Thu, 19 Apr 2018 14:15:17 EDT
Ramped up fight-or-flight response points to history of warfare for humans and chimps
Humans and chimpanzees recently evolved a more active fight-or-flight response compared to other primates, possibly in response to the threat of warfare.
Thu, 19 Apr 2018 14:15:03 EDT
Gene-edited stem cells show promise against HIV in non-human primates
Gene editing of bone marrow stem cells in pigtail macaques infected with simian/human immunodeficiency virus (SHIV) significantly reduces the size of dormant 'viral reservoirs' that pose a risk of reactivation.
Thu, 19 Apr 2018 14:15:00 EDT
New microscope captures detailed 3-D movies of cells deep within living systems
Merging lattice light sheet microscopy with adaptive optics reveals the most detailed picture yet of subcellular dynamics in multicellular organisms.
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