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    Protocols in Current Issue
    Murine Acute Pneumonia Model of Pseudomonas aeruginosa Lung Infection
    Authors:  Xiaolei Pan and Weihui Wu, date: 11/05/2020, view: 545, Q&A: 0
    [Abstract] Animal infection models play significant roles in studying bacterial pathogenic mechanisms, host pathogen interaction as well as evaluating drug and vaccine efficacies. We have been utilizing an acute pneumonia model to study bacterial colonization in lungs and assess virulence to the host by determination of bacterial loads and survival assays, ...
    Long-distance Transport in Bacterial Swarms Revealed by Single Nanoparticle Tracking
    Authors:  Jingjing Feng and Yan He, date: 11/05/2020, view: 459, Q&A: 0
    [Abstract]

    During swarming, high density flagella-driven bacteria migrate collectively in a swirling pattern on wet agar surfaces, immersed in a thin viscous fluid layer called “swarm fluid”. Though the fluid environment has essential role in the emergence of swarming behavior, the microscopic mechanisms of it in mediating the cooperation of

    ...
    Detection of in vivo Protein Interactions in All Bacterial Compartments by Förster Resonance Energy Transfer with the Superfolder mTurquoise2 ox-mNeongreen FRET Pair
    Authors:  Nils Y. Meiresonne, Elisa Consoli, Laureen M.Y. Mertens and Tanneke den Blaauwen, date: 12/05/2019, view: 2458, Q&A: 0
    [Abstract] This protocol was developed to qualitatively and quantitatively detect protein-protein interactions in all compartments of Escherichia coli by Förster Resonance Energy Transfer (FRET) using the Superfolder mTurquoise2 ox-mNeonGreen FRET pair (sfTq2ox-mNG). This FRET pair has more than twice the detection range for FRET ...
    QUEEN-based Spatiotemporal ATP Imaging in Budding and Fission Yeast
    Author:  Masak Takaine, date: 08/05/2019, view: 2824, Q&A: 0
    [Abstract] Yeasts have provided an exceptional model for studying metabolism and bioenergetics in eukaryotic cells. Among numerous metabolites, adenosine triphosphate (ATP) is a major metabolite that is essential for all living organisms. Therefore, a clearer understanding of ATP dynamics in living yeast cells is important for deciphering cellular energy ...
    Precision Technique for Splenectomy Limits Mouse Stress Responses for Accurate and Realistic Measurements for Investigating Inflammation and Immunity
    Authors:  Shengwen Calvin Li, Anthony D. Rangel and Mustafa H. Kabeer, date: 08/05/2019, view: 2510, Q&A: 0
    [Abstract] Splenectomy in an animal model requires a standardized technique utilizing best practice to avoid variability which can result in adverse impact to the animal resulting in flawed physiologic responses simply due to technique rather than to the studied variables. In the case of the spleen, often investigators are analyzing the animal immune or ...
    Unbiased Screening of Activated Receptor Tyrosine Kinases (RTKs) in Tumor Extracts Using a Mouse Phospho-RTK Array Kit
    Authors:  Julian Naipauer, Lucas E. Cavallin and Enrique A. Mesri, date: 04/20/2019, view: 2729, Q&A: 0
    [Abstract] Kaposi’s sarcoma (KS) herpesvirus (KSHV) is a virus that causes KS, an angiogenic AIDS-associated spindle-cell neoplasm, by activating host oncogenic signaling cascades through autocrine and paracrine mechanisms. Many host signaling cascades co-opted by KSHV including PI3K/AKT/mTORC, NFkB and Notch are critical for cell-specific mechanisms of ...
    Eimeria vermiformis Infection Model of Murine Small Intestine
    Authors:  Patrícia Figueiredo-Campos, Cristina Ferreira, Birte Blankenhaus and Marc Veldhoen, date: 12/20/2018, view: 2733, Q&A: 0
    [Abstract] Eimeria vermiformis is a tissue specific, intracellular protozoan that infects the murine small intestinal epithelia, which has been widely used as a coccidian model to study mucosal immunology. This mouse infection model is valuable to investigate the mechanisms of host protection against primary and secondary infection in the small ...
    H1N1 Virus Production and Infection
    Authors:  Binbin Zhao, Jiaoyu Shan, Rui Xiong, Ke Xu and Bin Li, date: 10/20/2018, view: 3179, Q&A: 0
    [Abstract] Influenza A virus is a member of orthomyxoviridae family causing wide-spread infections in human respiratory tract. Mouse infection model is widely used in antiviral research and pathogenesis study against influenza A virus. Here, we report a protocol in infected mice with different virus doses and strains to explore how an inhibitor of ...
    HCV Reporter System (Viral Infection-Activated Split-Intein-Mediated Reporter System) for Testing Virus Cell-to-cell Transmission ex-vivo
    Authors:  Fanfan Zhao, Ting Zhao, Libin Deng, Dawei Lv, Xiaolong Zhang, Xiaoyu Pan, Jun Xu and Gang Long, date: 08/05/2018, view: 3383, Q&A: 0
    [Abstract] Hepatitis C virus (HCV) spread involves two distinct entry pathways: cell-free transmission and cell-to-cell transmission. Cell-to-cell transmission is not only an efficient way for viruses to spread but also an effective method for escaping neutralizing antibodies. We adapted the viral infection-activated split-intein-mediated reporter system ...
    Assessing the Efficacy of Small Molecule Inhibitors in a Mouse Model of Persistent Norovirus Infection
    Authors:  Jana Van Dycke, Johan Neyts and Joana Rocha-Pereira, date: 05/05/2018, view: 3927, Q&A: 0
    [Abstract] Human norovirus is the most common cause of acute gastroenteritis worldwide, resulting in estimated mortality of ~210,000 each year, of whom most are children under the age of five. However, norovirus can infect people of all age groups. There is a risk of prolonged infection in children, the elderly and patients who are immunocompromised. To ...



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