Tag: "finally" at biology news

Aeras and UCLA announce license deal for new TB vaccine

...EO of Aeras. "Science offers us the possibility to finally defeat one of humanity's great plagues." First developed and tested in TB-susceptible guinea pigs, rBCG30 was found to be more potent than the commercially available BCG vaccine. In initial clinical studies of the vaccine's safety, no serious advers...

PNAS highlights for the week of May 16 - 20

...e to ecological dominance in tropical forests, and finally a broad expansion up into trees and outward into drier environments. Fish Genitalia May Balance Attractiveness with Predatory Escape Male genital size in some fish species may be driven by competing evolutionary mechanisms, reflecting a tradeoff be...

Tracking a killer: Observing liver invasion by malarial parasites

...ved through several consecutive hepatocytes before finally settling down in one to begin reproducing. The visualization advantages provided by using the fluorescent parasites and intravital microscopy now make it possible to directly observe events in the Plasmodium life cycle that had only been inferred ...

Scientists journey to southern Africa to unravel the secret world of elephant communication

... notes. Peering through binoculars, she and Eckert finally spot four male elephants on the horizon. The bulls head straight for the waterhole and begin splashing, spraying and performing a variety of other aquatic antics. Suddenly, and for no apparent reason, the four males step away from the water and freez...

Difference in talking louder, talking over noise depends on verbal cues, internal targets

...able (with a visual clue for judging the SPL), and finally with artificial noise piped in but no instructions on how loud to speak. A surprising thing happened. The average comfortable speech level was around 80dB, about the sound level of manual tools or a doorbell ringing. The 80dB was for all subjects, r...

Grasping metaphors: UC San Diego research ties brain area to figures of speech

...ng. Prodded on "all that glitters is not gold," he finally said that it meant you had to be very careful when buying jewelry because you might get robbed. The patients were equally bad at matching a bulbous, amoeboid shape to the sound "booba" and a jagged shape to "kiki." Whereas more than 90 percent of ord...

Biological warfare, mad cow disease on UH student's hit list

...ut Mrinal kept working, kept trying new things and finally developed his own method. What we discovered is that the solution has a time-dependent, non-uniform electric field, and this is what causes the nucleation." "The next step will be to tag the protein molecule onto the micro-area electrode," Shah sa...

MIT tissue engineers implant viable, vascularized 3D muscles

...e skin, then inserted one within a leg muscle, and finally replaced a piece of a rat's abdominal muscle with a construct, simulating a situation applicable to trauma victims, for instance. Later tissue staining showed that the implants' vessels grew into the host tissue and the host's vessels grew into the c...

Arsenic - not the same for everyone

...xic, through a series of biochemical reactions. It finally leaves the body in the urine. The new research raises the possibility that the risk of developing arsenic-related disease is not the same for everybody because an individual's genetic makeup determines how the toxic metal is metabolized. "Finding gen...

Life detection instrument passes key test on road to Mars

...s hope she's the one looking at MOA data when it's finally radioed back from the Red Planet. "When I first started this project, I had seen photos of the Martian surface and possible signs of water, but the existence of liquid water was speculative, and people thought I was crazy to be working on an experime...

Genetic link confirmed between Polynesians and indigenous Taiwanese

...usive; however, the research by Trejaut et al. has finally nailed this down. Trejaut et al. analyzed mtDNA from people in China, Southeast Asia, Polynesia, and Taiwan. The authors focused specifically on the aboriginal populations of Taiwan, suggested to be ancestors of today's Polynesians, and looked for un...

UIC researchers show protein routes messages in nerve cells

...o the cytoskeleton," said Featherstone. "This work finally ties the receptors to the cell framework to provide a complete picture." Confirmation of these mechanisms in a mammal such as a mouse or a rat can help researchers understand how nerves need to be reconnected after spinal cord injury, or may open doo...

Genetic links could unlock clues to leading cause of blindness

... similar in humans and monkeys, but these findings finally establish that. This discovery, he said, will allow researchers to delve deeper into what causes the disease and could be the first step toward repairing the genetic defects linked to it. According to the National Eye Institute, nearly 2 million Amer...

Family of life-extending genes discovered

...ing realization from the aging field that we might finally understand how to control certain aspects of the aging process and one day have drugs that can fight some of the disabilities the process causes." Sinclair's research group previously reported in the journal Nature the first genetic link between envi...

Novel technique offers new look at ancient diet dogma

... actually look at within-species variation. We can finally get beyond 'these differed' and start to understand how much they differed and overlapped, and what this means in terms of their adaptations and evolution." "This technique does the same thing as finding new fossils," Scott said. The researchers exam...

Study shows big game hunters, not climate change, killed off sloths

...als," he said. "I think this will go a long way to finally put to rest this whole idea that large extinct animals from the West Indies died out in the Ice Age during the Pleistocene Epoch."...

Tissue regeneration operates differently than expected

...ultured with growth-factor producing feeder cells, finally they did not become entirely functional muscle cells. Fully-functional muscle cells only developed after the mesenchymal stem cells were cultivated together with skeletal or heart muscle cells. This was indicated by the green fluorescence of muscle ...

Nobel Laureates solve 72 year old, dietary cholesterol puzzle

... Investigation, Joseph Goldstein and Michael Brown finally solve the mystery of the Shoenheimer effect. The authors show that Insig (insulin-induced gene) proteins are essential components of this cholesterol feedback response. They create mice lacking the two mammalian Insig genes - Insig1 or Insig2 in the...

JCI table of contents September 1, 2005

... Investigation, Joseph Goldstein and Michael Brown finally solve the mystery of the Shoenheimer effect. The authors show that Insig (insulin-induced gene) proteins are essential components of this cholesterol feedback response. They create mice lacking the two mammalian Insig genes - Insig1 or Insig2 in the...

A powerful new tool for decoding gene functions in mammals and Man

... colleagues at Fudan University in Shanghai, China finally chose a transposon called piggyBac that was originally identified in the cabbage looper moth. They discovered that it was stable and versatile in mouse and human cell lines , providing a new way to genetically manipulate mammalian cells. It also work...

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(Date:7/30/2014)... black truffle uses reversible epigenetic processes to regulate its ... ,methylome, - a picture of the genome regulation taking ... access journal Genome Biology and illustrates how ... and ,jumping genes,. The authors say this may shed ... controlled. , Black truffles (Tuber melanosporum), also known as ...
(Date:7/30/2014)... deep-sea octopus protected and tended her eggs until they ... July 30, 2014 in the open-access journal PLOS ... Research Institute and colleagues. , Octopuses typically have a ... protect and take care of their fertilized eggs until ... for 1 to 3 months, but little is known ...
(Date:7/30/2014)... effects of climate change on the world,s animal ... factors, according to a new paper by a ... of Queensland, and other organizations. The authors claim ... the point when it comes to climate change. ... scientists focus on the "direct" threats of changing ...
Breaking Biology News(10 mins):How black truffles deal with the jumpers in their genome 2Deep-sea octopus has longest-known egg-brooding period 2Conservation scientists asking wrong questions on climate change impacts on wildlife 2
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