4,916 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.
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    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. 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. 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. 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

    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. 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. Computational and Systems Biology
    2. Neuroscience

    Visuomotor learning from postdictive motor error

    Jana Masselink, Markus Lappe
    Visual, motor, and forward model gains learn from a postdictive update of space to keep perception and saccadic motor function aligned.

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