Tag: "earliest" at biology news

Ancient diets of Australian birds point to big ecosystem changes

...ly is covered by a thin layer of salty water. The earliest human colonizers in Australia are believed to have arrived by sea from Indonesia about 50,000 years ago, using fire as a tool to hunt, clear paths, signal each other and promote the growth of certain plants, Miller said. More than 85 percent of Aust...

Virginia Bioinformatics Institute researcher receives USDA functional genomics grant

...identifying and characterizing genes active at the earliest times during P. sojae infection, starting with spore germination and penetration of the host, and continuing through the first 16 hours of infection. This time period is the most crucial for a successful infection because this is when the pathogen se...

Duke professor to lead $300 million NIH center for HIV vaccine research

...g how the virus interacts with the body during the earliest stages of infection; designing, developing and testing improved vaccines; and evaluating promising HIV vaccine candidates in small-scale clinical trials. CHAVI will also fund a large-scale study to determine how the immune system of the macaque monke...

Genetic links could unlock clues to leading cause of blindness

...neration and humans could unlock secrets about the earliest stages of the disease, when severe vision loss cou... the vision loss it causes. Knowing more about the earliest predictors of macular degeneration could help doctors treat the disease before extensive vision loss...

Earliest embryos ever discovered provide clues to dinosaur evolution, parenting: Study

...yos of a long-necked, herbivorous dinosaur are the earliest ever recorded for any terrestrial vertebrate and p...nd the fact we can see the detailed anatomy of the earliest known dinosaur embryo is extremely exciting," says lead author Robert Reisz, a biology professor at ...

Oceanographers work a quarter of the world away from ship they're 'on'

...uld provide a whole new avenue for looking for the earliest life on Earth and for signs of life on other planets. Learning whether the animals, most of which are less than a half-inch in size and have translucent or invisible shells, are unique to Lost City or if they are found at other vent systems. Tim S...

Building a better mouse model of lung cancer: FHIT counts

... Ohio Scientists have identified some of the very earliest genetic changes involved in the development of lung cancer and have incorporated them into a new strain of mouse that develops the disease in much the same way that humans do. The discoveries, reported in the August 1 issue of Cancer Research , ope...

Infectious disease expert warns of spread of Rocky Mountain spotted fever

...d the study should put physicians on alert for the earliest signs and symptoms of the disease," says Dumler. "Our next step is to develop faster and more reliable tests to detect the disease so that physicians can more readily make a diagnosis and begin treatment as early as possible." Initial treatment for ...

Evolution of life on Earth may hold key to finding life in outer space

...ery, very old," Fox said. "If we can discover the earliest aspects, then scientists may be able to devise experiments to see how simple RNAs might have given rise to this machinery. This information would help us to better understand how life evolved on Earth and how ribosomes actually work, which remains a...

New insights into the early development of diabetes and the link to obesity

...h type 2 diabetes, they are ideal for studying the earliest metabolic defects associated with IR. The researchers compared 7 such individuals with lean, healthy, non-smoking control participants who were matched for age and weight. Specifically, they looked at energy generated in the muscles in response to ...

Brain activity in youth may presage Alzheimer's pathology

...ed to figure out ways to detect the disease in its earliest stages, said William Klunk, associate professor of psychiatry at the University of Pittsburgh and a co-author of the Journal of Neuroscience paper. "You have to get to this pathology before it has its biggest effect, before it has done its damage," ...

Gladstone Institutes assists with Exploratorium stem cell exhibit

...type exhibit. "Stem cells offer a window into the earliest stages of every organism's development, even humans," explains Conklin, an associate professor of medicine and cellular and molecular pharmacology at UCSF. "They hold the promise of new knowledge and treatments for a variety of human diseases. It's b...

JCI table of contents October 1, 2005

...(CNV) is the most common cause of visual loss. The earliest clinically visible abnormality in AMD are extracellular deposits, called drusen. However, it was unclear which component of drusen contributes to AMD. Recent data demonstrated that amyloid-beta (Abeta) deposition was found in drusen from eyes with ...

Leading lampreys to slaughter: Pheromone for scourge of Great Lakes identified

...journal Sunday, Oct. 2. The lamprey is one of the earliest relics of vertebrate evolution, dating back nearly 400 million years, before the evolution of jaws and bony skeletons. The species parasitizes other fish by attaching with their circular, toothy mouths and sucking the body juices. A single lamprey wi...

Finding rewrites the evolutionary history of the origin of potatoes

...ced back to a single origin in southern Peru." The earliest archaeological evidence suggests that potatoes were domesticated from wild relatives by indigenous agriculturalists more than 7,000 years ago, says Spooner. Today, the potato - an international dietary staple - is a major crop in both the United Sta...

PET's imaging power may be best indicator for determining which patients develop Alzheimer's

...reasing importance to identify 'converters' at the earliest possible stage of disease to develop and evaluate new and upcoming treatment options for Alzheimer's," added Drzezga, an SNM member. PET is a safe, effective and painless biological imaging exam that "photographs" or detects the presence and extent ...

Did feathered dinosaurs exist?

...25 million years younger than those containing the earliest known bird Archaeopteryx. Researchers, led by Alan Feduccia of the University of North Carolina at Chapel Hill, considered the new findings in the context of the existing literature and furthered the knowledge base with additional experiments. Theag...

Latest study: Scientists say no evidence exists that therapod dinosaurs evolved into birds

...China and which some paleontologists claim are the earliest known rudimentary feathers were really feathers at...rred some 25 million to 80 million years after the earliest known bird, which is 150 million years old." Feduccia said the publication and promotion of feathere...

Ancient anthropoid origins discovered in Africa

...oup including all modern anthropoids -- have their earliest known beginnings in Africa," said Simons. "They sh...called Altiatlasius from Morocco might even be the earliest anthropoid ancestor....

NC State researchers redesign life for Mars and beyond

...is, or mustard weed. P. furiosus is one of Earth's earliest life forms, a microbe that can survive in extremetemperatures. It grows and dwells in underwater sea volcanoes where temperatures reach morethan 100 degrees Celsius, or that of boiling water. Occasionally, the organism is spewed out into near freezin...

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(Date:10/18/2014)... Berlin, 19th October 2014 Psychological stress and stress-related ... for aging-related diseases, but the molecular mechanisms ... mechanisms may contribute to the development of ... treatments for these devastating diseases. This work ... Neuropsychopharmacology congress in Berlin., Now an international ...
(Date:10/18/2014)... suspected genetic conditions, a certain type of exome sequencing ... than traditional molecular diagnostic methods, according to a study ... released to coincide with the American Society of Human ... protein­coding region of the genome (the complete set of ... organism), has been rapidly applied in research settings and ...
(Date:10/17/2014)... German . ... in order to reproduce? And why are there two sexes ... latest issue of the research journal Molecular Human Reproduction ... Ramm from Bielefeld University Bielefeld has compiled this special issue ... a female to copulate with several males in quick succession ...
Breaking Biology News(10 mins):Researchers find why depression and aging linked to increased disease risk 2Study examines type of exome sequencing and molecular diagnostic yield 2Study examines type of exome sequencing and molecular diagnostic yield 3Sperm wars 2
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