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Tag: "reaches" at biology news

Scientists discover that host cell lipids facilitate bacterial movement

...they drive the bacterium through the cell until it reaches the peripheral or outer cell membrane," explains Dr. Frederick Southwick of the University of Florida College of Medicine. "Here the growing actin filaments push the bacterium against the membrane, forming long membrane projections called filopodia. ...

Falling ants glide back to trunk to avoid dangers of forest floor

...or ants, like Cephalotes, that forage at the outer reaches of branches and are in greatest danger of being knocked off by wind gusts or passing monkeys. There is some evidence, Dudley said, that these ants sometimes purposely drop off the tree to avoid predators, evidently secure in the fact that they can gl...

Scientists discover unique microbe in California's largest lake

...ut 227 feet belowmean sea level, its maximum depth reaches 51 feet and its total volumeis about 7.5 million acre-feet. It was formed in the early 1900s, whenflow from the Colorado River was inadvertently directed to the SaltonBasin. Once the Army Corps of Engineers returned the river to itsnormal bed, the la...

Open microfluidic and nanofluidic systems

...this way, moves deeper into the nanoregime. As one reaches a channel width of about 30 nanometer, one theoretically expects new effects arising from the line tension of the contact line, but such nanochannels have not been studied experimentally so far. The new PNAS study provides an instructive example for...

Researchers identify target for cancer drugs

... The exact means by which Akt switches on when it reaches the cell membrane has only been partially understood. As a result, researchers have lacked a clear idea about how to prevent the process. However, in the February 18 issue of the journal Science, researchers from the Sabatini lab report on discoverin...

Researchers Uncover Key Step In Manufacture of Memory Protein

...F winds through the endoplasmic reticulum until it reaches another structure within the cell, the golgi apparatus. There, the proBDNF binds to CPE, which protrudes from special rafts of fatty, cholesterol-rich molecules known as lipids. If this binding process does not take place, proBDNF cannot be converted...

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