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Tag: "researchers" at biology news

Simple drug has the potential to save many lives threatened by malaria

...ospital, has the potential to save many lives, say researchers in this week's BMJ. Every year over a million children die of malaria in Africa. The majority of fatalities occur outside hospital, especially in rural areas. For those who do make it to hospital, half of deaths occur within 24 hours of admission. ...

Tiny scaffolding allows stem cells to become working fat cells

...h to support the growing tissue," Kniss said. The researchers then "seeded" that scaffolding with cells called p...so as well as occurs in normal tissue. So far, the researchers have kept the cells alive and thriving for several months and hope to maintain them for up to a year...

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

...es organ fusion like that seen in the flowers. The researchers used molecular markers - bits of DNA that help ide...ted traits." Although the hothead gene tipped the researchers off to this unconventional inheritance cycle, Pruitt believes that this particular DNA sequence is j...

UCSD discovery may help extend life of natural pesticide

...and use of Bt toxins to prevent insects, which the researchers believe also possess the molecule, from developing...ges in the sugars impact Bt's ability to bind, the researchers believe that their discovery will make it possible to develop better pesticides and lead to new trea...

The very unexpected life and death of a leukemic cell

...causing the slow rise in cell count over time. But researchers had been unable to find any problems with the prog...h rates of the cells, according to the study. The researchers at the Institute for Medical Research at North Shore-LIJ analyzed the kinetics of CLL cells in vivo ...

Study of genomic DNA leads to new advances in cancer diagnostics

... are used in the clinical setting. Physicians and researchers alike know that how a cancer cell interacts with i...er cell from one site in the body to another. The researchers could alter the Alu I sensitivity of a cell's chromatin by exposing the cell to a single extracellul...

White blood cell waste disposal system plays critical regulatory role

...ls influenced IL-23 production by phagocytes. The researchers observed that the amount of IL-23 produced by phag...vels of IL-23 and IL-17 dropped considerably. The researchers conclude that a major mechanism for regulation of neutrophil production involves secretion of IL-23 ...

Bird Brains Show How Trial and Error May Contribute to Learning

...on a predetermined syllable, song after song. The researchers found that different areas of LMAN tuned the same ...ng is a new observation, Brainard said. Next, the researchers analyzed the relationship between song and the natural neural activity of LMAN during the two types ...

Agilent Technologies releases automated literature search tool for biology researchers

...n open-source bioinformatics platform that enables researchers to form a visual map of complex biological network...ccessful for us. We are excited to provide this to researchers everywhere so that they can analyze their own data more effectively and put it into a biological con...

New methods of gene delivery using lasers

...lopment, published today, is the work of a team of researchers from across the University ?with key figures from ...chool of Biology and The Bute Medical School. Key researchers Lynn Paterson and Ben Agate of the School of Physics and Astronomy said: “We believe we have only t...

The Bacteria's guide to survival

...cted with a mutant strain with defective pili, the researchers found a subset of 52 host genes that had higher ac...d mitogen-activated protein kinases, or MAPKs. The researchers showed that blocking MAPKs reduced the activity of several of the genes that are usually enhanced by...

Boosting HIV screening can increase survival and is cost effective

... the spread of the disease, and is cost effective, researchers at Yale, Harvard and the Massachusetts General Hospital report in the February 10 issue of the New England Journal of Medicine (NEJM). The study's findings are part of a two-paper series in NEJM on the value of expanded HIV screening in the United S...

RNA project to create language for scientists worldwide

...growing body of knowledge has created the need for researchers to develop a shared vocabulary and system for desc...e, Canada and Australia. Participating are leading researchers from Stanford, Duke, Yale, Rutgers and Georgia Tech universities, the University of California-Berke...

TEL2 gene cooperates with MYC gene to provoke B-cell lymphomas

...ably and crowd out other blood cells. The St. Jude researchers report that TEL2 cooperates with MYC to increase the chance that a certain mutation will occur in precancerous B lymphocytes, permitting these cells to become cancerous. This mutation inactivates the function of p53, a gene that orchestrates the abil...

Examination of internal 'wiring' of yeast, worm, and fly reveals conserved circuits

...v University in Israel; Tanja Kuhn and Peter Uetz, researchers at the Institute of Genetics in Karlsruhe, Germany...ks enriched for several functions suggested to the researchers that cellular processes may work together in a coordinated fashion. In contrast, the team did not f...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

... result in flight. The intense X-rays allowed the researchers to identify changes in the crystal-like arrangemen...le contraction. By combining the technologies, the researchers could reconstruct a ‘movie?of the molecular changes in the powerful muscles as they lengthen and sho...

Scientists discover that host cell lipids facilitate bacterial movement

...ocalized to the front of the moving bacteria." The researchers also noticed that Listeria movement slowed down when the bacteria were treated with molecules that inhibited PI3-kinase, proving that Listeria depend on PI3-kinase to move. "Our studies show that Listeria is capable of inside-out signaling," explain...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...lthy cells in order to thrive, according to dental researchers from the University of Florida and the University ...oteome ?produced by P. gingivalis. Ultimately, the researchers were able to fill hundreds of gaps in the organism’s sequence of roughly 2,000 proteins. “The appro...

UCSD team discovers specialized, rare heart stem cells in newborns

... heart of rats, mice and humans ?has been shown by researchers at the University of California, San Diego (UCSD) School of Medicine. The cells are capable of differentiation into fully mature heart tissue. Called isl1+ cells, these cardiac progenitor cells are stem cells that have been programmed to form heart ...

Scientists solve structure of key protein in innate immune response

...multiple grooves available for ligand binding. The researchers also discovered that mutations that interfere with LPS signaling cluster in a separate area near the pocket suggesting that the areas around the pocket are important in LPS transfer. Not only do these findings shed light on how cells recognize patho...

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