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  • NYU Dataset

    Condensed Mitochondria Assemble Into the Acrosomal Matrix During Spermiogenesis

    Authors
    Mindong Ren
    Yang Xu
    Colin K. L. Phoon
    Hediye Erdjument-Bromage
    4 more author(s)...
    Description

    This study used proteomic analysis, respirometry, and electron microscopy to examine the development of condensed mitochondria. The dataset contains proteomic and imaging data. The data indicate that condensed mitochondria formed from orthodox mitochondria during meiosis in order to support the formation of the acrosomal matrix. Condensed mitochondria also respired more actively and contained more...

    Subject
    Proteomics
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    Free to All
  • NYU Dataset

    Staphylococcus Aureus Cell Envelope Selectively Controls the Sorting of Selective Exoproteins

    Authors
    Xuhui Zheng
    Gerben Marsman
    Keenan A. Lacey
    Jessica R. Chapman
    3 more author(s)...
    Description

    Leukocidins are crucial components of Staphylococcus aureus (S. aureus) and they are secreted toxins that directly target and lyse immune cells. One of the leukocidins, Leukocidin AB (LukAB), is associated with the bacterial cell envelope. This study examined how S. aureus regulates LukAB secretion as well as the role of bacteria-associated LukAB in host-pathogen interaction. Using tissue culture models...

    Subject
    Proteomics
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  • NYU Dataset

    Volume Electron Microscopy Reveals Connexin43 in Plakophilin-2 Deficient Hearts

    Authors
    Chantal J. M. van Opbergen
    Joseph Sall
    Christopher Petzold
    Kristen Dancel-Manning
    2 more author(s)...
    Description

    Previous studies showed an abundance of functional Connexin43 (Cx43) hemichannels consequent to loss of plakophilin-2 (PKP2) expression in adult murine hearts. This study combined pre-embedding immunolabeling with serial block-face scanning electron microscopy (SBF-SEM) to visualize and examine the gap junction plaque morphology. They used a murine model of cardiomyocyte-specific Tamoxifen (TAM) activated...

    Subject
    Cell Physiology
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    Author Approval Required
  • NYU Dataset

    Drosophila Fatty Acid Binding Protein Essential for Light-Dependent Rhodopsin-1 Degradation and Photoreceptor Survival

    Authors
    Huai-Wei Huang
    Hyung Don Ryoo
    Description

    Rhodopsins are light-detecting proteins associated with retinal chromophores. Dysfunctional Rhodopsins cause retinal degeneration in humans and model organisms. However, the mechanisms by which photoreceptors regulate Rhodopsin homeostasis remains unknown. This study performed a photoreceptor-specific gene expression profiling analysis to examine how photoreceptors respond to stress. For their investigation,...

    Subject
    Genomics
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  • NYU Dataset

    Neural Cell Adhesion Molecule Required for Ventricular Conduction System Development

    Authors
    Camila Delgado
    Lei Bu
    Jie Zhang
    Fang-Yu Liu
    4 more author(s)...
    Description

    The Purkinje cells (PCs) within the ventricular conduction system (VCS) has been widely investigated, because they are necessary for synchronous activation of the ventricular myocardium. This study identified genes that might influence PC development and VCS function. The differential transcriptional profiling revealed several highly enriched cell adhesion molecules in PCs. They uncovered two additional...

    Subject
    Genomics
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    Free to All
  • NYU Dataset

    Energetics of the Microsporidian Polar Tube Invasion Machinery

    Authors
    Ray Chang
    Ari Davydov
    Pattana Jaroenlak
    Breane Budaitis
    3 more author(s)...
    Description

    Microsporidia are obligate intracellular parasites that use an unusual invasion organelle called the polar tube (PT), which is ejected from a dormant spore at ultra-fast speeds, to infect host cells. This study used serial block-face scanning electron microscopy (SBF-SEM) to capture 3-dimensional snapshots of Anncaliia algerae spores in different states of the PT ejection process. They proposed a theoretical...

    Subject
    Infectious Disease
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    Free to All