Neuroscience articles within Nature Communications

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  • Article |

    N-methyl-D-aspartate receptors mediate excitatory synaptic transmission, and those containing GluN2D subunits have an unusually long deactivation time. Vance et al. show that the conformational variability of the ligand-binding domain and the structure of the activating ligand influence deactivation time.

    • Katie M. Vance
    • , Noriko Simorowski
    •  & Hiro Furukawa

  • Article |

    The spinal V2a interneurons control left–right limb alternation during mouse locomotion, but only at high frequencies. In this study, the authors show that only half of these neurons are active during locomotion, and that they receive increasing synaptic drive to increase their activity as locomotion accelerates.

    • Guisheng Zhong
    • , Kamal Sharma
    •  & Ronald M. Harris-Warrick

  • Article
    | Open Access

    In the developing eye, the lens and retina are derived from different embryonic tissues, and how these two structures develop next to each other is of interest. In this study, the authors show that transforming growth factor-β secreted by neural crest cells is critical for the positioning of the lens next to the retina.

    • Timothy Grocott
    • , Samuel Johnson
    •  & Andrea Streit

  • Article
    | Open Access

    Many animals can do simple quantity discrimination, but they often perform poorly when food is used. Here, the authors show that monkeys are good at food quantity discrimination when they are not allowed to eat it, suggesting that the mental representation of the stimuli is more important than the physical quality.

    • Vanessa Schmitt
    •  & Julia Fischer

  • Article |

    Glutamate is the major excitatory neurotransmitter in the mammalian nervous system. Here, a glutamate receptor is reported that has properties intermediate to those of bacterial and eukaryotic glutamate-gated ion channels, suggesting a link in the evolution of ionotropic glutamate receptors.

    • H. Janovjak
    • , G. Sandoz
    •  & E. Y. Isacoff

  • Article |

    The cochlear amplifier in the inner ear is thought to mediate sensitivity to soft sounds, but this power gain has not been measured directly. Renet aluse an interferometer to measure the volume displacement and velocity of the cochlear partition and demonstrate experimentally that the cochlea amplifies soft sounds.

    • Tianying Ren
    • , Wenxuan He
    •  & Peter G. Gillespie

  • Article
    | Open Access

    In neurons, GABAA receptors mediate feed-forward inhibition by shunting excitatory currents and hyperpolarizing neurons. Here, the authors show that the hyperpolarization-activated mixed cation current is critical for determining the resting membrane potential and reversal potential for GABAA-mediated currents.

    • Ivan Pavlov
    • , Annalisa Scimemi
    •  & Matthew C. Walker

  • Article
    | Open Access

    Progressive sensorineural hearing loss affects many people, but the underlying genetics remain largely undefined. Here, the authors identify mutations inGIPC3in mice and two consanguineous families that lead to hearing loss and in mice cause defects in the structure of stereocilia bundles and audiogenic seizures.

    • Nikoletta Charizopoulou
    • , Andrea Lelli
    •  & Konrad Noben-Trauth

  • Article
    | Open Access

    The central nervous system contains glial cells, which have been shown to have an important role in neuronal survival. Haradaet al. use transgenic mouse models to show that TrkB, a receptor for the growth factor brain-derived neurotrophic factor, is required for retinal Müller glial cells to provide neuroprotection and regeneration.

    • Chikako Harada
    • , Xiaoli Guo
    •  & Takayuki Harada

  • Article |

    Interfacing neurons with artificial functional materials could aid the development of neurological prosthetic devices. Here, primary neurons are incorporated into a polymer layer without adversely affecting their properties; the advance may contribute to the development of artificial retinas.

    • Diego Ghezzi
    • , Maria Rosa Antognazza
    •  & Guglielmo Lanzani

  • Article
    | Open Access

    During neurogenesis, neural stem and progenitor cells can either proliferate or produce neurons. Here, the authors show that proliferating neural stem and progenitor cells have a longer S-phase portion of the cell cycle than cells committed to neuron production, suggesting that this may enable faithful DNA replication.

    • Yoko Arai
    • , Jeremy N. Pulvers
    •  & Wieland B. Huttner

  • Article
    | Open Access

    γ-Secretase modulators have promise in the treatment of Alzheimer's disease, but their molecular target is uncertain. Here, fluorescence resonance energy transfer is used to determine that the γ-secretase allosteric site is within the γ-secretase complex and that substrate docking is required for modulators to access the site.

    • Kengo Uemura
    • , Katherine C. Farner
    •  & Oksana Berezovska

  • Article
    | Open Access

    Little is known about the way bats recognize large objects, such as trees, buildings or a lake. Greif and Siemers show that bodies of water are recognized solely by echolocation, and that this ability is innate, thus smooth surfaces are recognized as water by naive juvenile bats.

    • Stefan Greif
    •  & Björn M. Siemers

  • Article
    | Open Access

    Mutation of theTectbgene reduces auditory sensitivity but increases frequency selectivity. Here the authors show that Tectb mutation reduces both the spatial and temporal propagation of travelling waves along the tectorial membrane, explaining the unexpected auditory abnormalities in this mutant.

    • Roozbeh Ghaffari
    • , Alexander J. Aranyosi
    •  & Dennis M. Freeman

  • Article |

    The kinase Dyrk1A is essential for brain function and development, and its excessive activity has been implicated in Down syndrome. In this study, a selective inhibitor of Dyrk1A is developed, which may help to elucidate the molecular mechanisms of normal and diseased brain.

    • Yasushi Ogawa
    • , Yosuke Nonaka
    •  & Masatoshi Hagiwara

  • Article |

    NMDA receptors are complexes of NR1 and NR2 subunits that mediate excitatory synaptic transmission and have roles in neurological disorders. Here, a subunit-selective potentiator of NMDA receptors is identified, which may allow the evaluation of the functional roles of individual NMDA receptor subunits.

    • Praseeda Mullasseril
    • , Kasper B. Hansen
    •  & Stephen F. Traynelis

  • Article |

    Studying the behaviour of captive mice requires considerable time and effort. Here, video-based software is designed and implemented to automatically quantitate mouse behaviour; the system performs well in comparison with manual human observations.

    • Hueihan Jhuang
    • , Estibaliz Garrote
    •  & Thomas Serre

  • Article |

    SNARE protein-mediated vesicle fusion is usually monitored by indirect lipid mixing. Diaoet al. have developed a FRET-based single-vesicle content mixing assay, which elucidates fusion pore formation, and shows that the yeast SNARE complex mediates pore expansion in the absence of accessory proteins.

    • Jiajie Diao
    • , Zengliu Su
    •  & Taekjip Ha

  • Article
    | Open Access

    It was previously thought that the nerves in the pectoral fin of fish came solely from the spinal cord. Here, motoneurons in ray-finned fish are shown to also originate from the hindbrain, demonstrating that innervation was from both the hindbrain and the spinal cord in ancesteral vertebrates.

    • Leung-Hang Ma
    • , Edwin Gilland
    •  & Robert Baker

  • Article
    | Open Access

    A recent X-ray structure revealed the closed state of a P2X receptor ion channel. Here, Li and colleagues probe the structural rearrangements that take place during channel opening by measuring the effects of covalent modification of engineered cysteines.

    • Mufeng Li
    • , Toshimitsu Kawate
    •  & Kenton J. Swartz

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