tracked 2 3

Tag: "tracked" at biology news

Sea coral's trick helps scientists tag proteins

...it goes. To test how well the new tag labeled and tracked target proteins, the team fused Dendra to proteins that form the cytoskeleton of the cell, including actin and tubulin filaments and found the expected patterns of intracellular protein distribution. Dendra belongs to a small family of green-to-red...

Researchers solve mystery of how nuclear pores duplicate before cell division

...ld have emerged from one; however, the researchers tracked movement of only one dot, confirming their previous finding that pores formed from scratch. Additional research demonstrated that nuclear pore assemblies are added in a stepwise, coordinated process requiring components on both sides of the nuclear ...

Pittsburgh researchers discover that certain chemicals in the blood may indicate brain injury

...ons could later be measured. The infants were then tracked until 1 year of age to determine whether any were subsequently diagnosed as being abused. Researchers were then able to determine how well the biomarkers established which children had SBS, which mostly likely had a routine childhood illness, and whi...

Mute swan population helps explain longstanding evolutionary question

...turalist, biologists from the University of Oxford tracked a colony of mute swans for more than two decades to explore a longstanding evolutionary question: whether the number of eggs laid by a female bird ?known as "clutch size" ?changes in accordance with natural selection. "Extensive debate in the litera...

Carbon nanotube absorption measured in worms, cancer cells

...oactive isotope, which enabled the nanotubes to be tracked and quantified as they were absorbed into living cells. Researchers used cancer cells called HeLa cells, and also measured nanotube uptake in an earthworm and an aquatic type of worm. The findings were presented Sunday at the 231st American Chemica...

Contagious obesity? Identifying the human adenoviruses that may make us fat

... viruses. The researchers measured food intake and tracked weight over three weeks before ending the experiment and measuring the chickens' visceral fat, total body fat, serum lipids, and viral antibodies. Chickens inoculated with Ad-37 had much more visceral fat and body fat compared with the chickens infe...

Hot-spring bacteria flip a metabolic switch

...tasks." Lead author Steunou and her collaborators tracked the activity of genes involved in photosynthesis and N2 fixation over a 24-hour period. They found that photosynthetic genes shut down shortly after nightfall, and N2-fixation genes switch on shortly thereafter. The nitrogenase enzyme complex snaps i...

UCSD study finds anthrax toxins also harmful to fruit flies

... a biologist at UCSD and lead author of the study, tracked the ways that two active anthrax toxins, known as lethal factor, or LF, and edema factor, EF, cause cellular damage and death in the fruit fly Drosophila melanogaster. These toxins are required for the anthrax bacterium Bacillus anthracis to evade t...

Asleep in the deep: Model helps assess ocean-injection strategy for combating greenhouse effect

...eriments in which remotely controlled submersibles tracked and photographed individual droplets of liquid CO2. "Of course, you cannot do such experiments under all different conditions, at different depths and different temperatures," Zhang said. "That's why you need a theory to be able to calculate the be...

'Perception' gene tracked humanity's evolution, scientists say

...ardly be news. But the list of genes known to have tracked or guided humanity's separation from the other apes is a short one. Genes controlling the development of the brain almost always turn out to be identical or nearly so in chimpanzees and human beings. And as it turns out, the protein prodynorphin is i...

Breaking the mold: Research teams sequence three fungus genomes

...g ambient temperatures in the lab, TIGR scientists tracked gene activity, documenting different A. fumigatus genes that turned on and off, as the environment warmed. The A. fumigatus genome is 28 Mb in size, consisting of 8 chromosomes bearing a total of almost 10,000 genes. Which genes make the mold v...

Envisat radar surveillance protects endangered prehistoric fish

...Kerguelen Island, the operations centre on Reunion tracked the vessel for three days. The patrol boat fired a warning shot across its bow then boarded it to seize an illegal catch of 60 tonnes of Patagonian toothfish. "Usually the system is more dissuasive than repressive," Schwab concluded. "Today, illega...

First big influenza genome study reveals flu evolution

... seasons. Comparing these genomes, the researchers tracked the changing virus as it moved across the region. "This study demonstrates that genomics can help us better track the flu virus and develop more effective vaccines," remarks first author Elodie Ghedin, who heads TIGR's viral genomics lab. "This is p...

FSU biologists describe key role of signal-transcribing gene during cell cycle

...ly) genetic model. Over the course of a year, they tracked the cell-to-cell communication in Drosophila egg chambers that control cell proliferation. "We believe the specific cell-to-cell signaling and dysfunction observed in fruit flies is applicable to mammals, which also possess genes Notch and Cut," sai...

Magnetic probe successfully tracks implanted cells in cancer patients

... research team for the first time has successfully tracked immune-stimulating cells implanted into cancer pat...ee whether the magnetically labeled cells could be tracked by MRI, to study their migratory behavior in more detail," says Carl Figdor, principal investigator ...

Study Unlocks Insects?Secret for Love in the Dark

...aid. "No other study of injury or inflammation has tracked changes to the entire human genome over time." The research team found that, of the 5,000 or so genes that fluctuated in response to endotoxin, more than half were turned down, causing the blood cells to be less metabolically active. This seems surp...

Study reveals genomics of inflammation from severe injury

...aid. "No other study of injury or inflammation has tracked changes to the entire human genome over time." The research team found that, of the 5,000 or so genes that fluctuated in response to endotoxin, more than half were turned down, causing the blood cells to be less metabolically active. This seems surp...

Restaurant seafood prices since 1850s help plot marine harvests through history

...0. Similarly, the restaurant price of lobster has tracked its fluctuating abundance and popularity over the ... early 1920's to the late 1930's the price closely tracked the Consumer Price Index (CPI). This inflation-adjusted chart shows prices flat at a 2004 equivalent...

Hand sanitizer gel works

...ial questionnaire. For five months, investigators tracked the families, phoning every other week to record how much hand sanitizer had been used, whether someone had developed a respiratory or GI infection, and whether the illness had spread to others in the home. The families given hand sanitizer had a 59...

Disappearing arctic lakes linked to climate change

...arch Center at the University of Alaska Fairbanks, tracked changes of more than 10,000 large lakes over 200,000 square miles. "This is the first paper that demonstrates that the changes we are seeing in Alaskan lakes in response to a warming climate is also occurring in Siberia," said Hinzman, who has also ...

1 2 3 4