Career counseling for embryonic cells
...ights how much remains to be learned about complex workings of the developing embryo. Emerson and his colleagues first identified QSulf1 as they studied bird embryos for genes whose expression is controlled by Shh, a molecule of known importance in developmental processes. Interestingly, the QSulf1 gene rem...Wildlife variety is the spice of life, say scientists
...st a pretty face - it has an important role in the workings of the living world say results published in Nature today by scientists in the UK and France. They find that the specialisation of different plant species to different roles fundamentally affects the way that ecosystems work, suggesting a new reason ...Biotechnology promises major advances for U.S. Army
...Biotechnology also sometimes involves altering the workings of cells or components inside cells, including their genetic material. Ladisch said the committee, made up of experts from industry, academia and government, was formed in late 1999 to create the report, which also was reviewed by an independent grou...Penn researchers explore the role of cell suicide in the development and treatment of cancer
...dria in apoptosis Philadelphia, PA Within the workings of a human cell there is an innate mechanism for self-destruction a carefully choreographed act called apoptosis, or programmed cell death. Without apoptosis, diseased cells, especially cancerous cells, are not eliminated from the body and can cont...Undergrad's digital model of amoeba helps scientists study human cells
...imensional computer model that simulates the inner workings of a tiny amoeba that behaves like a human white blood cell. Her electronic model is aiding biologists who believe these microscopic animals hold the key to creating new treatments for diseases ranging from asthma and psoriasis to cancer. Jane H. Kim......sess the impact of protein aggregates on the inner workings of a cell. Master controller Their specific target was the proteasome a barrel-shaped enzyme that Kopito calls the master controller of the cell. The proteasome is like a salami slicer that cuts protein molecules into little bits, he says. It get...New images reveal the workings of cellular protein factories
SANTA CRUZ, CA--The workings of a tiny molecular machine crucial to all forms of life are emerging from highly detailed new images obtained by researchers at the University of California, Santa Cruz. In a paper published by the journal Science on March 30, the researchers descri...More light makes redfish grown faster
...te student, made this discovery while studying the workings of the thyroid gland in redfish and how it affects their behavior and metabolism. The thyroid gland releases a chemical, thyroxine, which regulates fish growth and metabolism - the way fish receive and use energy. "Although we still do not know exact...Studies show powerful natural anti-cancer system exists
...ces, they've not only demonstrated the fundamental workings of the system, but have also pinpointed the key "switch" that regulates it. "We've gained long-awaited proof of a basic mechanism that can reduce the risk of cancer," says molecular pharmacologist and team member Paul Talalay, M.D. Scientists alrea...Why monkeys don't hear as well as humans
...han humans do. Harrison said understanding basic workings of a monkey's ear lays the groundwork to better understanding of human hearing....... to design an innovative VLSI chip, similar in its workings to the human retina, that can capture detailed, submillisecond images of large numbers of the brains neurons. Working with animals, Penn neuroscientists Brian M. Salzberg, Diego Contreras and Larry A. Palmer will then use the new chip to measure the ...Vanderbilt neuroscientists identify 'oops center' in the brain
...exist, this is one the first studies to reveal its workings at such a fundamental level. The work is very important because it shows the cellular basis of self-control, says Sohee Park, associate professor of psychology at Vanderbilt. It gets at really basic questions of psychology and philosophy like the o......ash and Joseph S. Takahashi will explore the inner workings of circadian clocks-the molecular timepieces that ...ts General Hospital, Rosbash studies the molecular workings of the biological clock in the fruit fly Drosophila. Takahashi will discuss how biological rhythm...UCSF researchers reveal a fundamental decision-making unit of cells
...l down to its bare essentials, revealing the inner workings of one of life's smallest "decision nodes" - the b...cision might instead be "If A and B, then C." The workings of this fundamental cellular decision-making unit - similar to the decision-making components in a c...UI researchers develop test indicating cystic fibrosis lungs are infected with bacterial biofilms
...e spent much of the last decade studying the inner workings of biofilms. They discovered that P. aeruginosa uses one of two particular quorum-sensing molecules to initiate the formation of biofilms. In November 1999, the researchers screened the entire bacterial genome, identifying 39 genes that are strongly ...Stanford researchers win National Science Foundation grants for information technology research
...tum mechanics and biological processes such as the workings of the brain - by using computers to determine how these systems evolve in space and time. Hesselink will develop topological methods based on mathematical analysis of global data. Results will be visualized using 3-D and time-dependent graphics tech...Princeton scientists describe genetics of blood stem cells
...iologists their first comprehensive picture of the workings of blood stem cells, the master component of bone marrow that gives rise to all cellular constituents of blood, from red and white cells to platelets. The data, published in the June 2 issue of Science, offer biologists a powerful tool for understand...Study reveals enzyme that behaves like a 'quantum inchworm'
...of one such machine to reveal newdetails about the workings of these essential housekeepers. RecBC is an enzyme that works inside the E. coli bacterium.This nanomachine, one one-billionth of a meter in size, is amolecular motor. It moves along DNA, separating the two sidesof the ladder-shaped DNA so that its ...Life and death struggle: Proteins play against each other, bringing balance to immune system
...a National Jewish researcher who studies the inner workings of the immune system. (This is why people don't get chicken pox, measles or similar immune diseases more than once.) Still, researchers were unsure if T cells maintained the ability to remember antigens from one exposure to anotherthere could be de...New $4.2M research center at U-M seeks to see cancer more clearly
...maging with new knowledge about cancer's molecular workings to give physicians and patients the information they need to prevent, find and treat cancer faster and more effectively," says associate professor of radiology Brian Ross, Ph.D., who will co-direct the center's efforts along with Alnawaz Rehemtulla, ...