Life Sciences News
August 31, 2015

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August 31, 2015

Aug. 27, 2015 — RNA can be translated into protein or transformed into gene-regulating molecules. A newly discovered 'reader' protein recognizes a chemical instruction tag affixed to RNA, an important step ... read more

Getting a Picture of the Molecules in a Cell in Just Minutes

Aug. 27, 2015 — Scientists can now take a peek into a single plant cell and -- within minutes -- get a view of the small molecules, including metabolites, hormones, nutrients, and lipids, inside ... read more

Mating With the Wrong Insect May Cut Yellow Fever Mosquito Populations

Aug. 27, 2015 — Asian tiger mosquitoes can drive down yellow fever mosquito populations when the female chooses the wrong male with which to mate, UF/IFAS scientists say. Both insects transmit chikungunya and ... read more

How Dynamin Mediates Membrane Constriction and Scission

Aug. 27, 2015 — Cells continually form membrane vesicles that are released into the cell. If this vital process is disturbed, nerve cells, for example, cannot communicate with each other. The protein molecule ... read more

Mystery of Polar Bear Knut's Disease Finally Solved

Aug. 27, 2015 — Knut, the famous polar bear of the Berlin Zoological Garden died of encephalitis. However, the cause of his disease has remained elusive until now. Biologists have now solved the case: The bear ... read more

Bitter Pill: Monarchs, Milkweed and Self-Medication in a Changing World

Aug. 27, 2015 — The milkweed plants growing in 40 cube-shaped chambers on a hilltop at the University of Michigan Biological Station provide a glimpse into the future that allows researchers to ask a question: How ... read more

Aug. 27, 2015 — The hierarchy in a group of dogs is not based on aggression but on submissiveness. A dog ranked lower in the hierarchy displays signals of submissive behavior towards dogs ranked higher. These ... read more

Aug. 27, 2015 — A new study has found that the genetic diversity of wild plant species could be altered rapidly by anthropogenic climate ... read more

Aug. 26, 2015 — Using DNA sequencing, researchers have accurately painted a clear picture of fish spawning activities in a marine protected area and have created a baseline for continuing studies on the effects of ... read more

Aug. 26, 2015 — A new study is providing a clearer picture of the evolutionary history and genetic organization of cannabis, a step that could have agricultural, medical and legal implications for this valuable ... read more

Paralysis: Primates Recover Better Than Rodents

Aug. 26, 2015 — Monkeys and humans exhibit greater motor recovery than rats after similar spinal cord injury, according to a new ... read more

Aug. 26, 2015 — New cost-effective material which mimics natural 'extracellular matrix' has allowed scientists to capture previously unseen behavior in individual plant cells, including new shapes and ... read more

Aug. 26, 2015 — An American coral reef scientist found a small shrimp-like crustacean with a greatly enlarged appendage reminiscent of the Elton John character in the movie 'Tommy.' Discovered while ... read more

Aug. 26, 2015 — Could the sperm harpoon the egg to facilitate fertilization? That’s the intriguing possibility raised by the discovery that a protein within the head of the sperm forms spiky filaments, suggesting ... read more

Aug. 26, 2015 — If there is a certain pool of choices and we can exclude A and B, we can easily deduce that C must be the appropriate choice. The ability of animals to be able to solve this has been the focus of ... read more

Aug. 26, 2015 — Paleontologists have discovered a new species of lizard, named Gueragama sulamericana, in the municipality of Cruzeiro do Oeste in Southern Brazil in the rock outcrops of a Late Cretaceous desert, ... read more

Algorithm Helps Identify Elusive Genes That Express Like Clockwork

Aug. 25, 2015 — An algorithm is giving scientists a new way to identify the dynamics of oscillatory genes, which play an essential role in development functions like cell division, circadian rhythms and limb ... read more

Batting Practice in the Genome

Aug. 25, 2015 — In the biochemical game of genetics, it was thought that the proteins controlling gene regulation in animals were either spectators or players. But scientists have now found that spectator proteins ... read more

Study in Bats and Rodents Offers Insights on How Viruses Spread Across Species

Aug. 25, 2015 — Bats are natural reservoirs of several important emerging viruses, and because cross-species transmission appears to be quite common among bats, it's important to study bats in a community ... read more

Adaptive Mutation Mechanism May Explain Some Forms of Antibiotic Resistance

Aug. 25, 2015 — Evolutionary theory says mutations are blind and occur randomly. But in the phenomenon of adaptive mutation, cells can peek under the blindfold, increasing their mutation rate in response to stress. ... read more

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