Bad news for pathogenic bacteria: Scientists find protein essential for bacterial survival
...ty. The current study suggests that DksA is the glue that holds together two key components of bacterial gene expression a molecule called ppGpp and an enzyme called RNA polymerase. RNA polymerase carries out transcription, the first step in gene expression. In recent work, Artsimovitch and her ...Four tourist destinations named best worldwide
...rgest monolith), teach them how to make the oldest glue in the world and track wild animals, share ancient folklore, and cook local bush foods. The winner of the General Purpose Hotels and Resorts Award, given to tourist accommodations with a well-rounded program for protecting the natural environment ...NSF funds summer research program abroad for undergraduates at UC San Diego
...research projects across borders. Students are the glue that will hold together future international collaborations." Arzberger and Wienhausen will co-direct the summer program along with Linda Feldman, director of UCSD's Academic Internship Program (AIP). The program leverages activities already underway...Steroid-coated DNA represents new approach to gene delivery
..., postively charged tail. This tail provides the glue that attaches the steroid to the naked DNA. "The steroid is a fatty lipid so, in essense, we have greased up DNA for cellular uptake," Diamond said, "plus the cells get a big dose of steroid." According to Diamond, the chemistry involved in manufac...Researchers discover that a virus can naturally target and kill tumors
... a receptor for laminin, a substance that helps to glue cells together to form tissues, and tumor cells tend to over-express this receptor. Dr. Meruelo theorizes that since tumor cells are far more likely than healthy cells to have free laminin receptors on their surfaces, they are more likely to take up ...Rutgers scientists discover protein in brain affects learning and memory
...ffects dendrite growth. Cypin appears to act as a glue that cements other molecules together into long chain structures that extend through the branches of a dendrite as a skeleton. "Cypin works on tubulin, a protein that is a structural building block of the dendrite skeleton," explained Firestein. ...Purdue chemist 'mussels' in on secrets of natural adhesives
...Ind. - Purdue University scientists have found the glue that saltwater mussels use to affix themselves to ...ilaments in place, and it is the chemistry of this glue that Wilker and his fellow researchers are studying. Metals such as iron are usually needed only in ...How lice and bird feathers stick together
...several rock pigeons. On one wing, she used fabric glue to transplant a piece of feather from another rock pigeon. This was the control. On the other wing, she grafted a piece of feather from one of the other four pigeon and dove species. Then she placed two live lice on each feather graft. "The idea was...Unraveling a protein, researchers uncover mechanics of anti-cancer agent
...al strength of the known fibronectin proteins that glue together myriads of cells in mammalian body tissue...des their movements and communication, and acts as glue between cells in living tissue, strengthening when needed." The matrix is made of several types of p...Lipids get the spotlight in new NIGMS 'Glue Grant'
...f General Medical Sciences originally conceived of glue grants following consultations with leaders in the scientific community who emphasized the importance of confronting intractable biological problems with the expertise of large, multifaceted groups of scientists. "Today's large, complex biomedical p...Busy weeks ahead for high-flying students
...nce who will be investigating the effectiveness of glue repairs done in weightlessness, and a team from Denmark who will be testing their isolation platform which they hope will provide a vibration free environment in which to perform experiments in zero-g. Outreach and education As part of ESA's Out...Transgenic trees hold promise for pulp and paper industries
...olves separating wood's cellulose from lignin, the glue that binds a tree's fibers, by using an alkali solution and high temperatures and pressures. Although the lignin so removed is reused as fuel, wood with less lignin and more cellulose would save the industry millions of dollars a year in processing a...A subtle tool to study mankind's diseases
...been cut out of the DNA by mistake, so they try to glue them back into the genome in the right place," says Giuseppe Testa, who headed the current study. "Sometimes they're a bit over-industrious; they put in pieces that look right, such as variations of a gene that have been put into the cell by a resear...Rockefeller scientists identify 'natural' proteins that push stem cells to produce hair, not skin
...dherens junctions, once thought useful only as the glue that holds cells of a tissue together actually play an important role in controlling when certain genes are turned on or off, thus transforming the essential nature of the cell. The study also describes in detail how external protein growth factors ...... get a good signal, and then they basically try to glue these cables together without losing the signal. It's very time and labor intensive," Sammakia said. Sammakia recognizes that small scale is going to be the big deal in electronics in the future and that the shift offers US researchers like those in...Meanwhile, back to barnacles...
...s more, they do it underwater. Billions of them glue themselves to ship hulls and cost the U.S. Navy ov...ty both on the size scale of a barnacle's secreted glue a coiled protein chain," says Armistead. "Variations of her coatings are being evaluated in the ...Stanford researchers devise novel gene therapy technique
...the lower side of the skin cell where it acts as a glue to anchor that cell in place. An ideal gene therapy for this disease would insert a copy of the gene into the skin cells where it could produce normal type-VII collagen. The problem is that the gene is too large to work in most standard gene therapy ...Additive that makes juices 'tart' quadruples yield of essential hemophilia treatment
...in surgical procedures, such as fibrinogen, fibrin glue and sealant." In addition to helping resolve shortages in clotting factor supplies, the researchers also are looking at ways to reduce contamination of transfused blood, including clotting factors. In the past decades, transfused blood has transmitte...Promising multi-strain HIV vaccine candidate emerges
...complexes that were chemically treated in order to glue or "crosslink" them together. The complexes were then used to generate antibodies in small animals and monkeys. "The gp120-CD4 complex has shown a consistent ability to generate antibodies that neutralize a wide range of HIV-1 isolates," says Dr. Dev......n receive these vital instructions. Once the cell glue is lost, the stem cells are also lost and can no longer receive the instructions that control their actions. In conducting the research, the team found two proteins, DE-cadherin and beta-catenin, that accumulate in high levels in the junctions betwee...