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Tag: "structure" at biology news

A bacterial genome reveals new targets to combat infectious disease

...or preserved, and highlight patterns in the genome structure through comparisons with other bacteria. For example, Wolbachia can manufacture some essential metabolic coenzymes, which do not appear to be made by its host. Conversely, it cannot synthesize amino acids and a variety of other vitamins and cofactors...

Scientists collaborate to assess health of global environment

...said. "But in the last 50 years, we've changed the structure of the world's ecosystems at a faster rate than any time in history." The environmental degradation carried out to meet demand for food, fiber, timber, fresh water, fuel and other resources has begun to jeopardize more subtle services that nature ha...

Scientists decipher genome of fungus that can cause life-threatening infections

...vepolysaccharide capsule, an elaborate and dynamic structure surroundingthe cell wall that is unique among fungi that affect humans. TheScience study identified greater than 30 new genes likely involved incapsule biosynthesis, including a family containing 7 members of thecapsule associated (CAP64) gene.Resear...

Protein Packages Found To Activate Genes; May Be What Regulates Development And Disease

...argest, most detailed study to date of the protein structure that surrounds the human genome. Their findings reveal surprising and previously unknown specifics of how genes get switched on during development of the human body and in diseases such as cancer. "Each type of cell in our bodies contains the same ...

New Study from Affymetrix Laboratories Points to Changing View of How Genome Works

...that they have completed a high-resolution scan of structure and function for nearly 30 percent of the human ge... used to make proteins that ultimately control the structure and function of every cell in the body. Most disease research has focused on studying these protein-...

Discovery of key protein's shape could lead to improved bacterial pneumonia vaccine

...EMBO Journal report.“The fact that we now know the structure of this important proteinmeans we can begin to dev...dingCbpA, or a piece of CbpA.?The discovery of the structure of CbpA was atwo-step process that included studies of how this protein works,followed by determinat...

New comparative toxicogenomics database

...EMBO Journal report.“The fact that we now know the structure of this important proteinmeans we can begin to dev...dingCbpA, or a piece of CbpA.?The discovery of the structure of CbpA was atwo-step process that included studies of how this protein works,followed by determinat...

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

...k, and his collaborator, James D. Watson, into the structure of DNA and into the genetic code made possible a n...e University. There he joined Max Perutz’s protein structure group at the Cavendish Laboratory and earned his Ph.D. in 1953. In the summer of 1951, Crick began ...

Scientists discover unique microbe in California's largest lake

...ectron microscopy facility, to compare thecellular structure of the new organism with that of the symbiotic formof Acaryochloris. Blankenship and Olson compared its pigments withthose of A. marina, one of the symbiotic species."Chlorophyll d is a pigment that is intermediate between thechlorophylls found in th...

Alcohol's effects on gene expression in the central nervous system

... (which modulates nerve cell activity), and myelin structure (which is needed for communication between nerve cells)," said McBride. "Gene expression profiling has also been used to identify chromosomes and chromosomal regions that influence alcohol drinking and response to alcohol." # Intracranial self-admin...

New SARS Protein Linked To Important Cell Doorway

...led orf7a, a SARS protein that makes its home in a structure cells use to modify proteins destined for transpor... it and used it to determine the three-dimensional structure of orf7a. This purified protein also allowed colleague Michael Diamond, M.D., Ph.D., assistant profe...

New protein discovered by Hebrew University researchers

...sist in creating a properly folded and functioning structure of otherproteins within the plant's cells. The SP-1 also has the ability toassemble itself into a structure composed of 12 identical units, makingit exceptionally resistant to extreme conditions. These qualit...

The death of a very special chimpanzee

...sist in creating a properly folded and functioning structure of otherproteins within the plant's cells. The SP-1 also has the ability toassemble itself into a structure composed of 12 identical units, makingit exceptionally resistant to extreme conditions. These qualit...

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

...n. Because the group could see the full branching structure of a neuron each time it fired, they could watch the branches grow and recede like a tree waving in the wind, losing the occasional twig. Over time, the network of branches stabilized into the mature form. "We're looking at a dynamic process that no...

The Shapes Of Life: NIGMS Project Yields More Than 1,000 Protein Structures

...investment in the technology and methods for rapid structure determination,?said Jeremy M. Berg, Ph.D., directo...he nine PSI pilot centers have transformed protein structure determination from a mostly manual process to a highly automated one. Robotic instruments rapidly cl...

UCSD discovery may help extend life of natural pesticide

...ed February 11 in the journal Science, details the structure of a molecule to which Bt attaches, or "binds," in... Bt toxin. They concluded that the defective sugar structure of the glycolipid receptor in each of the mutants prevents Bt from binding. Other members of the re...

Breakthrough method in nanoparticle synthesis paves the way for new pharmaceutical and biomedical applications

...hnologies can only produce 2-dimensional hexagonal structure with small pore diameter ( IBN’s simple wet-chemi...nd gene therapy. Nanoparticles of varying size and structure may be created to act as carriers for drugs, genes and proteins. In addition, these porous nanoparti...

RNA project to create language for scientists worldwide

...on vocabulary and scientific concepts relating RNA structure and function to allow RNA scientists worldwide to ...s have been adopted internationally to advance RNA structure prediction and simulation and RNA sequence analysis. His work is supported by the National Institute...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...dy because they are the foundation of the cellular structure of every living organism, Lamont said. They carry on the day-to-day biology of life, going about their business as enzymes and antibodies. They can also cause disease. “The genes themselves are only important in that they encode the proteins,?Lamont...

Scientists solve structure of key protein in innate immune response

...a announced their elucidation of three-dimensional structure of CD14 and showed how it is perfectly suited to b...is colleagues solved the three-dimensional crystal structure of CD14, providing crucial insights into how the receptor binds to its ligands. "Our structure shows...

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