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Tag: "techniques" at biology news

Scientists devise way to measure RNA synthesis on the fly in a live cell

...molecules within a living cell," Cluzel said. The techniques previously used to study RNA required killing and breaking up a cell in order to extract an RNA molecule. With those techniques, "one cannot detect in real time the underlying dynamics of RNA synthesis associated with cellular activities," he said. B...

Mass production of human papillomavirus could lead to gains against cervical cancer

... the virus, said Ahlquist. "The available culture techniques limited the ability to study critical early stages of infection," said Ahlquist. "We couldn't pursue a number of experimental approaches because of the small amounts of virus available," he said. "Also, we were restricted in genetically manipulating ...

New technique rapidly detects illness-causing bacteria

...y 35 minutes, while traditional gene amplification techniques may take many hours. Promising early results suggest the sensitive method could detect fewer than 100 cells of a pathogen in just half an hour. Nugen's software also compares a target site with sequences from other organisms to make sure they don'...

MSU researchers receive $4 million grant to uncover gene functions

...ecome educated in modern genomic and bioinformatic techniques that will be widely applicable in the future." This functional genomics research is a collaborative effort spanning several departments in the College of Natural Science, including the departments of Biochemistry and Molecular Biology, Plant Biology...

HIV Therapy Greatly Extends Life of Key T Cells, Scientists Find

...ar, note the scientists. Using two relatively new techniques for labeling cells, the team demonstrated that IL-2 therapy can lead to greatly increased numbers of new CD4+ cells. “More remarkable than the proliferation of these cells was how long they lived,?says Dr. Kovacs. The average lifespan of CD4+ cells i...

Nanowires can detect molecular signs of cancer, scientists find

...are will ultimately depend upon the development of techniques that allow rapid detection of many markers with high selectivity and sensitivity. "Genomics and proteomics research has elucidated many new biomarkers that have the potential to greatly improve disease diagnosis," the scientists write. "The availabi...

Rensselaer researchers develop approach that predicts protein separation behavior

...roteins in chromatographic columns. Chromatography techniques are used to identify and purify molecules, in this case, particular proteins. "We intend to test the model against more complicated protein structures as part of its further development," said Breneman. "The outcome of this work will yield fundament...

Microbe has huge role in ocean life, carbon cycle

...urface. Molecular probes, gene cloning, sequencing techniques and other tools have been used in this exploration. ...

Marine bacterium suspected to play role in global carbon and nitrogen cycles

...o microbial cultivation and cutting-edge molecular techniques can complement one another to achieve big advances in our understanding of the complexity of our global ecosystem." Kane says studies like these continue to highlight the importance of non disease-causing microorganisms and their critical role in our...

Unweaving amyloid fibers to solve prion puzzles

...y their precise molecular structures. Conventional techniques used to image proteins, such as X-ray crystallogra...ther prion molecules. Lindquist believes that the techniques used in this study will ultimately prove useful for studying prion strains found in mammals like mic...

The very defensive caterpillar

...ally lethal, infection by the pathogen. Using RNAi techniques workers at the University of Bath have shown that several different proteins can confer this protective effect against subsequent infections. Micro-organisms such as bacteria, fungi and nematodes are often used as biocontrol agents against insects. ...

Secret sex life of killer fungus?

...a Rydholm (Duke University, USA), used a number of techniques to study the fungus. The genome of Aspergillus fumigatus has recently been sequenced, and investigation of the genome revealed the presence of a series of genes required for sexual reproduction. In the new study, the researchers report that the anal...

New tools used to control foodborne hepatitis A outbreaks related to green onions

... Amon and colleagues credited the viral sequencing techniques with helping them to identify the relationships between the outbreaks in four separate locations, and to define the scope of the outbreaks quickly. The sequencing allowed them to determine if cases reported in other states were related to the four or...

Use of Antibiotics for Acne May Increase Risk of Common Illness

... Amon and colleagues credited the viral sequencing techniques with helping them to identify the relationships between the outbreaks in four separate locations, and to define the scope of the outbreaks quickly. The sequencing allowed them to determine if cases reported in other states were related to the four or...

Large-scale Computer Simulations Reveal New Insights Into Antibiotic Resistance

... Amon and colleagues credited the viral sequencing techniques with helping them to identify the relationships between the outbreaks in four separate locations, and to define the scope of the outbreaks quickly. The sequencing allowed them to determine if cases reported in other states were related to the four or...

Disrupting Cocaine-memories To Battle Addiction

... Amon and colleagues credited the viral sequencing techniques with helping them to identify the relationships between the outbreaks in four separate locations, and to define the scope of the outbreaks quickly. The sequencing allowed them to determine if cases reported in other states were related to the four or...

From a Few Wild Ancestors, a Citrus Cornucopia

...of citrus diversity still present there. Molecular techniques now available should make the task of recognizing novel citrus specimens much easier. As time allows, he also plans to continue to peel away the evolutionary mysteries still surrounding this favorite fruit ...

Ships bring alien jellyfish invaders to our shores

...e physical characteristics can benefit from modern techniques such as DNA analysis," he says. ...

Tadpole soon to help in the fight against cancer and lymphedema

... of lymphatic vessels. With the help of coloration techniques they visualized the areas in tadpoles where Prox1 ...e: the lymphatic vessels. With the same coloration techniques the researchers indicated that the development of lymphatic vessels in tadpoles is comparable to mic...

Sensor web simulation investigates technique to improve prediction of pollution across the globe

...nd benefit of using dynamic sensor web measurement techniques and adaptive observing strategies, NASA technologists have formulated experiments involving two NASA Earth observing satellites that fly in formation high above Earth. These consist of Aqua and the recently launched Aura, along with sophisticated atm...

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