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Tag: "lock" at biology news

Remote control flies? Fly behavior controlled by laser light

... Miesenböck and Lima devised a triggered molecular lock and key system, where the "lock" was the receiver genetically encoded to be expressed in the target neurons, the "key" was the molecule that would bind to and activate the lock, and laser light was the trigger that brought the key to the lock. For t...

Researchers make surprise discovery that some neurons can transmit three signals at once

...ad ends at the membrane of the adjacent cell. Like lock and key, they bind to specific receptors on the surface of the receiving cell, causing its electrical activity to be enhanced or inhibited. The first week after birth marks a critical phase in the developing rat brain, a time period comparable to th...

Multi-purpose protein regulates new protein synthesis and immune cell development

...rotein antibodies into the bloodstream. Antibodies lock on to antigens ?substances that trigger the immune response ?until they can be removed or destroyed by other immune cells. Knowing that XBP1 was required to create plasma cells, Zhang designed a study to see if IRE1 was involved, also. Zhang studied...

Growth in the sea comes down to a struggle for iron

...ate molecules called siderophores that are able to lock up iron. And in many cases, only the organism that built the molecule in the first place has the key to unlock it, says Wells. "It's basically chemical warfare by the bacteria in soils, trying to get the iron. They specifically target iron with thes...

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