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Tag: "pass" at biology news

Students invent protective pouch to enhance cell therapy

...en the mesh and the outer stent, allowing blood to pass through. At this point, the physician would us...bout 250 microns in diameter, would allow blood to pass through to nourish the cells and disperse helpful proteins. But the openings are too small to allow ...

New vaccine prevents CMV infection and disease in mice

...or example, or adults who are sexually active, can pass along the virus,” explained Spector. “It becomes a serious problem in developing infants during the pregnancy or in those whose immune system is compromised, such as AIDS or transplant patients.” When a persistent virus such as CMV infects an in...

CU study reveals why starling females cheat

...to the chicks. By helping the chicks survive, they pass on familial genes. In contrast, some females cheat with males outside their group if they sense their mates are too genetically similar to themselves. Mating with strangers increases their brood's genetic diversity, even though it does not reap ad...

How 'memory' T cells curb the spread of viruses throughout the body

...id Sigal. “Also, many cancers, like viruses, must pass through lymph nodes to metastasize, so this research may help develop vaccines that prevent tumor metastases.”...

A new plant-bacterial symbiotic mechanism promising for crop applications

...nutritive elements to the bacteria which in return pass on the nitrogen they have stored up. These interactions improve crop yields of leguminous plants that are crucial for human diet (soybean, peas, ground nuts and so on…) and as animal feed (alfalfa, clover, sainfoin). In addition, cultivation of le...

Simulations unravel outer membrane transport mechanism

...ntil the cell is ready to allow large molecules to pass through. Crystallographic studies had shown tha...n up enough space for a molecule of vitamin B12 to pass through the barrel. (Click on the link below the image of the system to watch the results of the sim...

Nicotine rush hinges on sugar in neurons

...own as ion channel proteins, that allow signals to pass between neurons. The results reveal an important...complete, Chen said. The debate over how signals pass from the outside of a cell to the inside is a long-standing one. Some researchers had suggested th...

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