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Tag: "handle" at biology news

Researchers shed light on shrinking of chromosomes

... the shortening of chromosomes, allows the cell to handle such huge amounts of genetic material during cell division and helps preventing fatal defects in chromosome separation. Now researchers from the European Molecular Biology Laboratory (EMBL) for the first time tracked chromosome condensation in mammal...

MU researchers to study the status of black bears in Missouri

...try to reassure the public that we are prepared to handle nuisance bears and protect their property. This pilot study should help us ask better research questions down the road. We don’t know if we have a self-sustaining population in Missouri or if we simply have a lot of dispersing males coming from Arkan...

A cherry on top: Tart cherries may alter heart/diabetes factors

...eased production of a molecule that helps the body handle fat and sugar, compared with rats that didn't receive cherries as part of an otherwise similar diet. All of the rats had a predisposition toward high cholesterol and pre-diabetes, but not obesity. All the measures on which the two groups of anima...

An ancient bathtub ring of mammoth fossils

...led Wallula Gap. But Wallula Gap was too narrow to handle all the massive flow; the water would back up, creating temporary Lake Lewis, then slowly drain through to the Columbia River Gorge—all in a matter of days. Preliminary results place most mammoth finds in the Lake Lewis area at elevations of 600 t...

Scientists seek useful traits in wild cottons

...day's varieties are flexible enough genetically to handle minor changes but lack enough diversity for really spectacular change. Aside from limiting fiber quality and yield potential, narrow genetics makes them more susceptible to insects and disease." Gannaway and other scientists believe future p...

Sandia researchers take new approach to studying how cells respond to pathogens

... Our approach is designed to be flexible enough to handle many different cell types, and it also minimizes the number of cells needed for analysis, so it should enable us to do some unique studies on rare cell types." Proteins in the cells of interest are tagged with fluorescent molecules, essentially co...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

... maximum information out, they have to immediately handle material in a way that first of all will avoid contamination and, second, ensure that whatever is there gets well preserved because it can be interrogated." The scraps of dinosaur protein were wrested from a fossil femur discovered by John Horner,...

Large size crucial for Amazon forest reserves

...vey's Patuxent Wildlife Research Center. "With a handle on the detection problem it is much easier to understand real species occurrence", said Nichols, "and looking at occurrence through time, one understands the dynamics of species faced by forest destruction". Some vanish because they don't survive in...

Speeding 'fingertip' discovery -- 20 years of protein info in 1 place

...tions that until now no one has been able to get a handle on because they’re way too hard to work with. Now we have the tools to probe further,?he says. ...

Pacific Rim researchers to collaborate on distributed bioinformatics analysis of avian flu

...flu research ?an infrastructure that could one day handle research on other infectious diseases as well." Added Arzberger: "Fighting a pandemic will also be easier if we put in place the infrastructure to replicate data, support medical informatics, and even assist in remote diagnosis." UC San Diego ...

Trying to control pain can be a double-edged sword, say scientists

...t pain patients psychological coping strategies to handle their pain usually does help reduce its effects." Dr Wiech and her team set up an experiment to investigate how people cope with pain. In the first stage, volunteers were given an electric stimulus to the backs of their hands and told that they co...

Triple threat: World fin trade may harvest up to 73 million sharks per year

...d weights to whole shark equivalents to get a good handle on the actual numbers," says lead author Shelley Clarke, Ph.D, an American fisheries scientist based in Hong Kong and Japan. A team of researchers calculated the number of sharks represented in the fin trade using a unique statistical model and data...

Protein structure initiative launches new resources for the scientific community

...fy, and crystallize proteins; Robotic systems to handle samples and image crystals; Enhanced software to analyze structural data and create higher-resolution images; More accurate screening processes to detect crystals suitable for imaging; and Improved systems for making proteins from machines, ins...

Tearing down the fungal cell wall

...PS2 gene which should allow us to get an important handle on the precise series of molecular events that give rise to these drastic effects on spore viability." ...

Lost in the labyrinth

...r diseases, the work should give researchers a new handle on processes within cells that lead to cancer. The work is published in this week's online issue of Nature Immunology. Over the past decades, molecular biologists have identified several pathways ?sequences of molecules which manage the flow of info...

A buffet for early human relatives

...technique. "What I did was fine-tune the method to handle very small samples like human-sized teeth," he says. "If you tried the previous method on a human tooth, you would blast a hole clear through the enamel, and museum curators wouldn't like that." Passey, who is working on his Ph.D. degree, "really...

Powerful genome ID method extended to humans

...mputational biology, has developed an algorithm to handle the massive amounts of data created by a restriction mapping technology known as "optical mapping." Restriction maps provide coordinates on chromosomes analogous to mile markers on freeways. Lead author Anton Valouev, a recent graduate of Waterman...

Seals protect brain, conserve oxygen by turning off shivering response on icy dives

...n't know why," Folkow said. The study of how seals handle this lack of oxygen may someday give us knowledge that is useful in treating people who have suffered severe hypoxia, although those advances are likely years in the future, he added. ...

Giant insects might reign if only there was more oxygen in the air

...rease in diameter or number to take in more air to handle the additional oxygen demands. The disproportionate increase in tracheal size reaches a critical point at the opening where the leg and body meet, the researchers found. This opening can get only so big, and limits the size of the trachea that run...

Scientists discover role for dueling RNAs

...en, safeguards against meiosis in cells that can't handle it. "This is the first time that we've found a function for antisense RNA, that is not RNAi, in a higher cell type," says Hongay. "In fact, it's really the first time we've seen a gene regulate itself in this way." "For years scientists have...

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