5,585 results found
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    The presence and absence of periplasmic rings in bacterial flagellar motors correlates with stator type

    Mohammed Kaplan, Debnath Ghosal ... Grant J Jensen
    A correlation between the periplasmic embellishment of the flagellar motor and its stator system type is described, motors with dual H+-dependent stator systems have one periplasmic ring formed by MotY.
    1. Neuroscience

    Fatigue induces long-lasting detrimental changes in motor-skill learning

    Meret Branscheidt, Panagiotis Kassavetis ... Pablo Celnik
    A series of experiments shows how muscle fatigue impairs motor-skill learning on subsequent practice days beyond its effects on task execution.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The Rab6-regulated KIF1C kinesin motor domain contributes to Golgi organization

    Peter L Lee, Maikke B Ohlson, Suzanne R Pfeffer
    Rab6A binds directly to both the C-terminus and the N-terminal motor domain of the kinesin KIF1C to regulate vesicle motility and Golgi organization.
    1. Neuroscience

    Output variability across animals and levels in a motor system

    Angela Wenning, Brian J Norris ... Ronald L Calabrese
    Population output variability in a motor control system varies across levels (CPG, motor neurons, muscles) and can be ascribed to life history differences among animals and in some cases to differences between bilaterally homologous elements.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    The kinesin-5 tail domain directly modulates the mechanochemical cycle of the motor domain for anti-parallel microtubule sliding

    Tatyana Bodrug, Elizabeth M Wilson-Kubalek ... Jawdat Al-Bassam
    Biochemical, single molecule, cell and structural biology studies reveal an interaction between the kinesin-5 tail and motor domains regulating high-force production, which is critical for microtubule sliding motility.
    1. Microbiology and Infectious Disease

    The flagellar motor of Vibrio alginolyticus undergoes major structural remodeling during rotational switching

    Brittany L Carroll, Tatsuro Nishikino ... Jun Liu
    In situ structures of the flagellar motors genetically docked in CCW and CW rotational states reveal major rearrangement that facilitates rotational switch in Vibrio alginolyticus..
    1. Neuroscience

    A size principle for recruitment of Drosophila leg motor neurons

    Anthony W Azevedo, Evyn S Dickinson ... John C Tuthill
    Motor neurons controlling the leg of the fruit fly exhibit a gradient of physiological and functional properties that correlate with the order in which they fire during behavior.
    1. Neuroscience
    2. Developmental Biology

    Phrenic-specific transcriptional programs shape respiratory motor output

    Alicia N Vagnozzi, Kiran Garg ... Polyxeni Philippidou
    Molecular programs regulated by Hox5 transcription factors establish a set of inhibitory inputs onto phrenic motor neurons that control the pattern of respiratory motor output.
    1. Neuroscience

    A critical re-evaluation of fMRI signatures of motor sequence learning

    Eva Berlot, Nicola J Popp, Jörn Diedrichsen
    A systematic assessment of previously proposed fMRI metrics of motor sequence learning reveals widespread activity reductions and subtle multivariate pattern changes outside of primary motor cortex.
    1. Physics of Living Systems

    Motor processivity and speed determine structure and dynamics of microtubule-motor assemblies

    Rachel A Banks, Vahe Galstyan ... Rob Phillips
    Mesoscopic properties of motor-microtubule assemblies, such as contractile rates and length scales, can be quantitatively connected to single-motor properties of kinesin motors.

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