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Cell Biology News
Tue, 19 Sep 2017 14:04:36 EDT
What web browsers and proteins have in common
The discovery of a previously overlooked site on protein molecules may solve a mystery about how proteins are able to carry out specialized functions in living cells.
Tue, 19 Sep 2017 11:05:22 EDT
Nonlinear physics bridges thoughts to sounds in birdsong
The beautiful sound of birdsongs emerging from the trees is a wonderful example of how much nature can still teach us, even as much about their origins are still mysterious to us. About 40 percent of bird species learn to vocalize when they are exposed to a tutor, a behavior of interest to many neurologists and neurobiologists. The other 60 percent can vocalize instinctually in isolation. The variety across species, and the relationship between the nervous system and biomechanics makes birdsong production a complex process to unravel and understand.
Mon, 18 Sep 2017 22:22:47 EDT
DNA triggers shape-shifting in hydrogels, opening a new way to make 'soft robots'
Biochemical engineers have used sequences of DNA molecules to induce shape-changing in water-based gels, demonstrating a new tactic to produce "soft" robots and "smart" medical devices that do not rely on cumbersome wires, batteries or tethers.
Mon, 18 Sep 2017 16:14:46 EDT
Sex, aggression controlled separately in female animal brains, but overlap in male brains
Brain structures that control sexual and aggressive behavior in mice are wired differently in females than in males, new research shows.
Mon, 18 Sep 2017 14:30:45 EDT
A cereal crop survives heat and drought
Scientists have published the genome sequence of Pearl millet, a drought resistant crop plant most important in arid regions in Africa and Asia. This plant is important to small and medium farmers who grow the plant without larger irrigation. Pearl millet delivers a good harvest index under drought and heat conditions when rice, maize or wheat already have no grains anymore.
Mon, 18 Sep 2017 12:35:52 EDT
RNA discovery could help boost plant heat, drought tolerance
The discovery of a RNA that can increase drought and salt tolerance in thale cress could illuminate a new research approach and hold implications for other plants, including food crops.
Mon, 18 Sep 2017 11:18:33 EDT
Dogs' social skills linked to oxytocin sensitivity
The tendency of dogs to seek contact with their owners is associated with genetic variations in sensitivity for the hormone oxytocin, according to a new study. The results contribute to our knowledge of how dogs have changed during their development from wolf to household pet.
Mon, 18 Sep 2017 11:18:27 EDT
Genomic recycling: Ancestral genes take on new roles
One often hears about the multitude of genes we have in common with chimps, birds or other living creatures, but such comparisons are sometimes misleading. The shared percentage usually refers only to genes that encode instructions for making proteins -- while overlooking regulatory genes, which nonetheless make up a large part of the genome.
Mon, 18 Sep 2017 10:06:56 EDT
How bacteria hinder chemotherapy
Scientists have found bacteria in pancreatic tumors that metabolize a common drug, explains a new report.
Mon, 18 Sep 2017 10:06:50 EDT
Sheep gene insights could help farmers breed healthier animals
Fresh insights into the genetic code of sheep could aid breeding programs to improve their health and productivity. Scientists have now mapped which genes are turned on and off in the different tissues and organs in a sheep's body.
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