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Tag: Cell

TRIGGER FOR BRAIN PLASTICITY IDENTIFIED

(L to R) Sayaka Sugiyama and Takao Hensch Researchers have long sought a factor that can trigger the brain’s ability to learn – and perhaps recapture the “sponge-like”…

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PIGGY-BACKING MEIOTIC CHROMOSOMES

The co-authors (left to right): M. Prentiss, R. Koszul, K.P. Kim, S. Kameoka, and N. Kleckner Movement plays important fundamental roles in basic chromosomal processes. Motion is most…

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A KINASE PATHWAY REQUIRED FOR NEURONAL POLARITY

Authors Josh Sanes (left) and Brendan Lilley Directional flow of information within the nervous system depends upon the ability of neurons to divide themselves into discrete compartments. Most…

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TARGET-DERIVED SIGNALS ORGANIZE MOTOR NERVE TERMINALS

Authors Michael Fox (left) and Josh Sanes The synapse is the heart of the nervous system, the site at which information is processed and passed between cells. Proper…

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AN UNUSUALLY SIMPLE SIGNAL TRANSDUCTION SYSTEM

Authors Errett Hobbs (left) and Craig Ellermeier In this week’s Cell, Craig Ellermeier, Errett Hobbs, Eduardo Gonzalez and Rich Losick report the discovery of an unusually simple system…

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A NEW MECHANISM FOR LONG-TERM MEMORY

Calyx of the mushroom body, Drosophila brain[click for full size and description] Authors Sam Kunes and Shovon Ashraf One of the remaining mysteries of neuroscience is how memories…

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SEX AND SMELL: THE MOLECULAR ARCHITECTURE OF PHEROMONE SENSING

To ensure reproductive success, animals have evolved sensory and behavioral strategies to identify suitable mating partners. A particularly widepread strategy among mammals is the release and the detection…

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CHROMOSOME AND REPLISOME DYNAMICS IN E. COLI

Figure 1: E. coli cell just prior to cell division with classic terminus-in / origin-out configuration.  Origin (blue) and terminus (red) loci were visualized by FISH, and the…

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DEVELOPMENTAL COMMITMENT IN B. SUBTILIS

Richard Losick and Jonathan Dworkin In 1918, German embryologist Hans Spemann took an early newt embryo and removed some cells that were destined to become skin. He transplanted…

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FINDING A PRESYNAPTIC ORGANIZER THAT MAKES THE BRAIN FUNCTIONAL

Neurons analyze and transmit information in the brain. Information is transferred from one neuron to another through the functional contact sites called synapses. When a neuron is activated,…

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