Neuroscience articles within Nature Communications

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  • Article |

    Memory retrieval followed by extinction training has been shown to erase fear memories. Flavellet al. show that this approach also erases appetitive memories in rats and results from a modification of memory reconsolidation, which could be useful for the treatment of drug addiction.

    • Charlotte R. Flavell
    • , David J. Barber
    •  & Jonathan L.C. Lee

  • Article |

    In non-NMDA glutamate receptors, intersubunit contacts within agonist binding domains affect functional desensitization. Now, NMDA receptor activation, but not desensitization, is shown to involve rearrangements at the heterodimer interface, suggesting that the intersubunit contacts of NMDA and non-NMDA receptors may have distinct functional roles.

    • William F. Borschel
    • , Swetha E. Murthy
    •  & Gabriela K. Popescu

  • Article |

    Ampullary organs are involved in electroreception, but whether these are derived from placodes, thickened ectoderm, is unclear. In this study, the ampullary organs of the primitive ray-finned fish,Polyodon spathula, are shown to develop from lateral line placodes, suggesting that this is the ancestral state in bony fishes.

    • Melinda S. Modrell
    • , William E. Bemis
    •  & Clare V.H. Baker

  • Article |

    The role of phosphatidylinositol(4,5)bisphosphate in exocytosis is unclear. This study shows that inhibition of the p110δ isoform of PI3-kinase promotes a transient increase in phosphatidylinositol(4,5)bisphosphate, leading to a potentiation of exocytosis in chromaffin cells.

    • Peter J. Wen
    • , Shona L. Osborne
    •  & Frédéric A. Meunier

  • Article
    | Open Access

    The paradigm of reservoir computing shows that, like the human brain, complex networks can perform efficient information processing. Here, a simple delay dynamical system is demonstrated that can efficiently perform computations capable of replacing a complex network in reservoir computing.

    • L. Appeltant
    • , M.C. Soriano
    •  & I. Fischer

  • Article
    | Open Access

    Group BStreptococcuscauses meningitis in newborn infants but how the bacterium crosses the blood-brain barrier is unknown. Here, the bacterial pili adhesion molecule, PilA, is shown to bind to collagen and promote binding of the bacteria to integrins expressed on the blood-brain endothelium.

    • Anirban Banerjee
    • , Brandon J. Kim
    •  & Kelly S. Doran

  • Article |

    The development of radial progenitor cells and astroglia in the cerebral cortex depends on the microtubule cytoskeleton. Eomet al. have developed a new mouse model where the microtubules of astrocytes and radial glia cells are fluorescently tagged, facilitating the detailed study of microtubule dynamics and development in these cells.

    • Tae-Yeon Eom
    • , Amelia Stanco
    •  & E.S. Anton

  • Article
    | Open Access

    Drosophila melanogaster larvae demonstrate chemotaxis towards odours but their navigation mechanism is poorly understood. Using computer-vision tracking, Gomez-Marinet al.show that larvae ascend odour gradients using an active sampling strategy that is analogous to sniffing in vertebrates.

    • Alex Gomez-Marin
    • , Greg J. Stephens
    •  & Matthieu Louis

  • Article
    | Open Access

    Pluripotent stem cells can be generated from the somatic cells of humans and are a useful model to study disease. Here, pluripotent stem cells are made from a patient with familial Parkinson's disease, and the resulting neurons exhibit elevated levels of α-synuclein, recapitulating the molecular features of the patient's disease.

    • Michael J. Devine
    • , Mina Ryten
    •  & Tilo Kunath

  • Article |

    How retinoganglion cell axons project correctly to the superior colliculus is poorly understood. Here, projections are shown to require EphB1, EphB2 and ephrin-B1 to terminate in the medial superior colliculus, while ephrin-B2 is essential for the mapping of both dorsal and ventral axons.

    • Sonal Thakar
    • , George Chenaux
    •  & Mark Henkemeyer

  • Article |

    Male túngara frogs produce overlapping mating calls, which poses a challenge for the female frog to group and assign multiple auditory signals to the correct source. Farris and Ryan shows that, like humans, the female frogs compare and group signals using the smallest relative difference in call parameters.

    • Hamilton E. Farris
    •  & Michael J. Ryan

  • Article
    | Open Access

    Ambient levels of the neurotransmitter GABA tonically activate GABAA. Song et al.show that GABA can have both excitatory and inhibitory effects on hippocampal interneurons and find that low levels of GABA-mediated conductance are excitatory, whereas higher levels result in shunting inhibition.

    • Inseon Song
    • , Leonid Savtchenko
    •  & Alexey Semyanov

  • Article |

    Nitric oxide can be produced by nitric oxide synthase or by nitrite reduction, but whether the latter occurs inside cells is unknown. Here, the TRPV3 ion channel is shown to induce nitrite-dependent nitric oxide production in keratinocytes, where it has a role in thermosensory behaviour and wound healing.

    • Takashi Miyamoto
    • , Matt J. Petrus
    •  & Ardem Patapoutian

  • Article
    | Open Access

    In animals, cryptochrome proteins are thought to be the detectors of the Earth's magnetic field, but humans have not been shown to posess mangetosensing capabilities. Foleyet al. demonstrate that the human cryptochrome protein, CRY2, when expressed in Drosophila melanogastercan mediate magnetoreception in a light-dependent manner.

    • Lauren E. Foley
    • , Robert J. Gegear
    •  & Steven M. Reppert

  • Article
    | Open Access

    The vomeronasal organ detects pheromones, which are thought to activate TRPC2 channels on the surface of vomeronasal neurons. Using TRPC2 knockout mice, the authors show that urinary pheromones can also activate these neurons via calcium-activated chloride channels, suggesting a TRPC2-independent pathway for sensing pheromones.

    • SangSeong Kim
    • , Limei Ma
    •  & C. Ron Yu

  • Article |

    Acoustic communication is important for the reproductive behaviour of frogs. Using acoustic playback experiments, Shenet al. show that calls from male concave-eared frogs (Odorrana tormota) evoke vocal responses and phonotaxis from females, but the females show no ultrasonic sensitivity.

    • Jun-Xian Shen
    • , Zhi-Min Xu
    •  & Shang-Chun Fan

  • Article |

    Vocal communication is relatively common among fish: the midshipman being an example with a particularly wide dynamic range. In this paper, the authors demonstrate that different populations of hindbrain neurons are responsible for the frequency and duration of these calls.

    • Boris P. Chagnaud
    • , Robert Baker
    •  & Andrew H. Bass

  • Article
    | Open Access

    The ability of synthetic amyloid β-protein to bind to prion proteins and alter synaptic plasticity has been previously reported. Here the relevance of this binding is investigated in brains of Alzheimer's disease patients and the interaction is shown to be blocked by antibodies to two distinct regions of prion proteins.

    • Darragh B. Freir
    • , Andrew J. Nicoll
    •  & John Collinge

  • Article
    | Open Access

    Circadian rhythm is controlled by the suprachiasmatic nucleus and the mechanisms that control the rhythm are largely undiscovered. In this study, a G protein regulator, RGS16, is shown to be involved in the production of cyclic AMP that is required for the suprachiasmatic nucleus to maintain rhythm

    • Masao Doi
    • , Atsushi Ishida
    •  & Hitoshi Okamura

  • Article |

    Calorie restriction has been associated with increased life span and delayed decline of memory in animals, suggesting a role in neuronal plasticity. In this study, food restriction is demonstrated to enhance plasticity in the central nervous system and trigger the recovery from ocular deprivation in adulthood.

    • Maria Spolidoro
    • , Laura Baroncelli
    •  & Lamberto Maffei

  • Article |

    Pair-wise electrophysiology is difficult inCaenorhabditis elegansbecause the recordings are relatively short-lived. In this study, the authors investigate the synaptic currents associated with escape responses by immobilizing worms on a micropatterned agar substrate and stimulating neurons using channelrhodopsin-2.

    • Theodore H. Lindsay
    • , Tod R. Thiele
    •  & Shawn R. Lockery

  • 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

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