molecular 2 3

Tag: "molecular" at biology news

ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors

...stry behind the colors of parrots, describing on a molecular level what is responsible for their bright red feathers. The work casts a new light on what is chemically responsible for the colors of birds, and defies previous assumptions and explanations for color variations in parrots, said Kevin McGraw, an as...

Transport System Smuggles Medicines Into Brain

...stry behind the colors of parrots, describing on a molecular level what is responsible for their bright red feathers. The work casts a new light on what is chemically responsible for the colors of birds, and defies previous assumptions and explanations for color variations in parrots, said Kevin McGraw, an as...

Open microfluidic and nanofluidic systems

... been developed, are substrate surfaces covered by molecular monolayers that can be switched by light, temperature, or electric potential. The experiments described in the PNAS study use a polymeric liquid that freezes quickly and can then be scanned directly with the tip of an atomic force microsope. However...

Nanogen Issued Patent for Electronic Microarray With Memory

...multi-purpose system for developing and performing molecular diagnostic tests. Using local memory circuits pro...ing accuracy, speed and flexibility for developing molecular diagnostic tests. Storing critical voltage information allows for precise control of the biological ...

Highly adaptable genome in gut bacterium key to intestinal health

...Sciences at Washington University and professor of molecular biology and pharmacology. "Together, these microbes can be viewed as a 'microbial organ' that lives within the intestine and harvests, stores and redistributes energy from the diet." Because changes in the composition of this "microbial organ" may b...

Papers of DNA Pioneer and Nobel Laureate Francis Crick Added to National Library of Medicine’s Profiles in Science Web Site

...de possible a new understanding of heredity at the molecular level. “Major current advances in science and bio...sh navy. After the war he switched from physics to molecular biology, and, with a Medical Research Council fellowship, he went to Cambridge University. There he ...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

...zyczka, Ph.D., an eminent scholar and professor of molecular genetics and microbiology at UF's College of Medicine who participated in the research. “For some time Dr. Mandel has been working on the idea of introducing a vector into brain that would express GDNF. What they've found is that if you get low-level...

Researchers trace evolution to relatively simple genetic changes

...stand how new animal types evolve in nature," said molecular geneticist David M. Kingsley, a Howard Hughes Medi...volves. "We used sequencing studies to compare the molecular basis of this trait across the northern hemisphere," said Kingsley. "It doesn't matter where we look...

Scientists reveal molecular secrets of the malaria parasite

... studies to trace how malaria parasitesevolve on a molecular level as they move between their hosts and insectvectors.That focus on the parasites' complex life cycle is helping researchersunderstand when different genes switch on and off as the pathogensmetamorphose through seven different life stages. In turn...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

...stand how new animal types evolve in nature," said molecular geneticist David M. Kingsley, a Howard Hughes Medi...volves. "We used sequencing studies to compare the molecular basis of this trait across the northern hemisphere," said Kingsley. "It doesn't matter where we look...

Scientists discover unique microbe in California's largest lake

...h radically different origins,"Miller says.Using a molecular clock, Miller estimated that the proteobacterial DNAwas obtained by an ancestor of modern chlorophyll-d producingcyanobacteria between roughly 10 and 100 million years ago."The maintenance of this hybrid gene over such a long time periodsuggests that...

New SARS Protein Linked To Important Cell Doorway

...nt, Ph.D., assistant professor of biochemistry and molecular biophysics and of pathology and immunology. "Now w...chael Diamond, M.D., Ph.D., assistant professor of molecular microbiology, to generate orf7a-specific antibodies. Andrew Pekosz, Ph.D., assistant professor of m...

Scientists document complex genomic events leading to the birth of new genes

...ic distinction separating humans from apes. At the molecular level, however, the differences among the species ...ipts. This overexpression often alters the fragile molecular balance of gene products on a cellular level, ultimately resulting in deleterious phenotypic consequ...

DNA Recombination and Repair—A New Twist to RecA Function

...n and DNA repair, have properties reminiscent of a molecular motor as well. RecA filaments consist of DNA helices lined with RecA protein. RecA filaments invade a region of double-stranded DNA with similar nucleotide sequence, displacing one strand to pair with the other. Strand invasion can lead to a re-assor...

NC State scientist finds soft tissue in T. rex bones

...at least some fragments of the dinosaurs' original molecular material may still be present. "We may not really know as much about how fossils are preserved as we think," says Schweitzer. "Our preliminary research shows that antibodies that recognize collagen react to chemical extracts of this fossil bone. If ...

UCLA scientists transform HIV into cancer-seeking missile

...rofessor of medicine, microbiology, immunology and molecular genetics and a member of the Jonsson Comprehensive Cancer Center at the David Geffen School of Medicine at UCLA. Second, the scientists stripped off HIV's viral coat and redressed it in the outer suit of the Sindbis virus, which normally infects ins...

First real-time view of developing neurons reveals surprises, say Stanford researchers

...led a zebra fish. Stephen Smith, PhD, professor of molecular and cellular physiology, and graduate student Christopher Niell immobilized a young fish at an age when the nerves first grow from the eye to reach the brain. Then, with the aid of a 6-foot-long laser and some fancy microscopy, the researchers were a...

PANTHER Protein Classification System Database 5.0

... to version 5.0. Proteins are classifiedby family, molecular and biological function (GO ontology) and knownpat...sfor analyzing gene expression data in relation to molecular functions,biological processes, and pathways. The PANTHER system database ispublicly available witho...

Duke Chemists Isolating Individual Molecules Of Toxic Protein In Alzheimer's, Parkinson's Disease

...ut how to capture and "micromanipulate" the single molecular building blocks of the deposits. Their aim is to ... detect energy differences by mechanically probing molecular surfaces. In a poster presentation at the American Chemical Society's annual meeting, the researche...

Plants defy Mendel's inheritance laws, may prompt textbook changes

... a Purdue Department of Botany and Plant Pathology molecular geneticist. "While Mendel's laws that we learned i...ike that seen in the flowers. The researchers used molecular markers - bits of DNA that help identify and locate genes in organisms - to determine whether a plan...

1 2 3 4 5 6 7 8 9 10