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Tag: "ascertain" at biology news

Revealed -- Mosquito genes that could be controlling the spread of killer viruses

...aria parasites. Further research will be needed to ascertain whether some of the newly discovered genes in Aedes may provide a similar defence mechanism that can fight the disease viruses. Dr George Christophides of Imperial’s Division of Cell and Molecular Biology, senior author on the paper explains: “...

Scientists use nanoparticle to discover disease-causing proteins

...snake. The scientists want to find a better way to ascertain the presence, concentration and function of proteins involved in disease processes. They also hope the new method will facilitate better, more efficient diagnosis in living cells and patients. Most diagnostic methods must be done on minute dead bl...

Re-analysis of cigarettes confirms tobacco companies increased addictive nicotine 11 percent

...c Health (HSPH) extended the analysis to: ascertain how manufacturers accomplished the increase -- not only by intensifying the concentration of nicotine in the tobacco but also by modifying several design features of cigarettes to increase the number of puffs per cigarette. The end result is a produc...

Protein folding: Building a strong foundation

...ed to study proteins with known shapes in order to ascertain which of their parts were the most stable in the face of chemical and thermal fluctuations. "We found that the most stable parts of the final, folded protein come together first during the folding," said co-author Pernilla Wittung-Stafshede, associ...

Special chip provides better picture of salmon health

...ble conservationists to sample wild populations to ascertain their health and wellbeing. The development of the chip is the culmination of a four-year study known as Salmon TRAITS (Transcription Analysis of Important Traits in Salmon) being carried out by scientists at the Universities of Stirling, Aberdeen...

Gene transfer using mutant form of good cholesterol cuts vascular plaque and inflammation

...-head comparison, which allowed us to conclusively ascertain the differences between the two genes. Our study demonstrated that A-I Milano gene transfer is much more effective in reducing plaque and vascular inflammation than the normal (wild type) form of apo A-I," said Shah, the article's senior author. Co...

Non-coding RNAs help silence the mammalian transcription

...olleagues made a series of targeted alterations to ascertain which sequences are responsible for their paternal-specific silencing. The researchers show that this imprinted gene silencing requires the elongation of a paternally-expressed non-coding RNA transcript, Kcnq1ot1. "As we explore the mechanism of ge...

A protein complex that untangles DNA

...tributed during cell division. Moreover, to fully ascertain that the new cells will contain the same genetic information as the parental cells, any damage to the DNA, which is organised into several chromosomes, must be repaired. "A cancer cell often has chromosomal aberrations that can be linked to erroneo...

Deep-water discovery

... at night with a flashlight and then attempting to ascertain the significance and topography of the whole canyon based on small swaths revealed by the flashlight. The Rosenstiel School AUV work has instead made it possible to choose dive sites likely to be vibrant reef areas, all with an understanding of the ...

Drug discovery team to explore newly discovered deep-sea reefs

... at night with a flashlight and then attempting to ascertain the significance and topography of the whole canyon based on small swaths revealed by the flashlight. The Miami AUV work has instead made it possible to choose dive sites likely to be vibrant reef areas ahead of time, all with an understanding of the...

Study finds how organs monitor themselves during early development

...rgan such as the liver to detect if it is injured, ascertain if it is growing and developing normally, and if it needs to regenerate itself. When such loops derail, cancer and other diseases can arise. Scientists at NYU School of Medicine have unraveled the signals in a feedback loop governing ovarian devel...

New method enables gene disruption in destructive fungal pathogen

...termined in 2001 and many methods are available to ascertain gene function in this plant," Lawrence said. "We now have a means to identify key fungal and plant genes that interact and ultimately lead to disease development or resistance. This is an extremely powerful research tool." The generation of gene dis...

New nano-canary in the nanotoxicology coalmine: The body itself

...d to prioritize nanoparticles for further study to ascertain the nature of the biological activity in terms of toxicity. A broader approach underway at PNNL for discovering what environmental nanomaterials can do once they enter the body ?and how they enter and where they go ?is part of a large collaborative...

Center releases new public survey on stem cells

...dents were asked a series of questions designed to ascertain the value placed on progress in ESC research and protecting early human embryos. The survey revealed a subtle topography of the public's attitudes with only a small fraction (6 percent at each pole) of the public occupying the extreme positions that...

Agilent Technologies introduces high-capacity human protein removal system for proteomics research

...the alleged ornithischians of the Late Triassic to ascertain the quality of the fossil record and what it says about early dinosaur evolution. ...

Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale

...the alleged ornithischians of the Late Triassic to ascertain the quality of the fossil record and what it says about early dinosaur evolution. ...

Remote control flies? Fly behavior controlled by laser light

...ells to target with the remote control system. "To ascertain that the system actually worked, it wasn't clear how we could measure activation in the neurons in moving, freely behaving organisms," he explains. The breakthrough, he says, came when they decided to target a small set of nerve cells in the fly cal...

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