Biological Sciences

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    Glucose Starvation, Magnesium Ion Starvation, and Bile Stress Assays
    Authors:  Aryashree Arunima and Mrutyunjay Suar, date: 09/20/2021, view: 69, Q&A: 0

    Salmonella enterica serovar Enteritidis (S. Enteritidis) is a leading causative pathogen for food-borne gastroenteritis. During its course of infection, it confronts myriads of physiological barriers inside the host, such as nutrient deprivation,

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    A Co-purification Method for Efficient Production and Src Kinase-mediated Phosphorylation of Aplysia Cortactin
    Authors:  Sherlene L. Brown, Yuan Ren, Daniel M. Suter and Seema Mattoo, date: 09/20/2021, view: 65, Q&A: 0

    Cortactin is an actin-binding protein that regulates processes like cell migration, endocytosis, and tumor cell metastasis. Although cortactin is associated with actin-cytoskeletal dynamics in non-neuronal cells and cell-free systems, the exact

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    An Inexpensive Imaging Platform to Record and Quantitate Bacterial Swarming
    Authors:  Weijie Chen, Sridhar Mani and Jay X. Tang, date: 09/20/2021, view: 50, Q&A: 0

    Bacterial swarming refers to a rapid spread, with coordinated motion, of flagellated bacteria on a semi-solid surface (Harshey, 2003). There has been extensive study on this particular mode of motility because of its interesting biological and

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    Intrathoracic Inoculation of Zika Virus in Aedes aegypti
    Authors:  Irma Sanchez-Vargas, Adeline E. Williams, Alexander W.E. Franz and Ken E. Olson, date: 09/20/2021, view: 61, Q&A: 0

    Aedes aegypti mosquitoes are the main vectors of many medically relevant arthropod-borne (arbo) viruses, including Zika (ZIKV), dengue (DENV), and yellow fever (YFV). Vector competence studies with Ae. aegypti often involve challenging mosquitoes

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    Inter-species Transplantation of Blastocysts between Medaka and Zebrafish
    Authors:  Jana F. Fuhrmann, Jasmin Onistschenko and Lázaro Centanin, date: 09/20/2021, view: 39, Q&A: 0

    Transplantation of blastocysts from a donor to a host blastula constitutes a powerful experimental tool to tackle major developmental biology questions. The technique is widely implemented in diverse biological models including teleost fish, where

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    In vitro Cleavage and Electrophoretic Mobility Shift Assays for Very Fast CRISPR
    Authors:  Roger S. Zou, Yang Liu and Taekjip Ha, date: 09/05/2021, view: 668, Q&A: 0

    CRISPR-Cas9 has transformed biomedical research and medicine through convenient and targeted manipulation of DNA. Time- and spatially-resolved control over Cas9 activity through the recently developed very fast CRISPR (vfCRISPR) system have

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    Using Atomic Force Microscopy to Study the Real Time Dynamics of DNA Unwinding by Mitochondrial Twinkle Helicase
    Authors:  Parminder Kaur, Hai Pan, Matthew J. Longley, William C. Copeland and Hong Wang, date: 09/05/2021, view: 751, Q&A: 0

    Understanding the structure and dynamics of DNA-protein interactions during DNA replication is crucial for elucidating the origins of disorders arising from its dysfunction. In this study, we employed Atomic Force Microscopy as a single-molecule

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    Isolation and Characterization of Membrane Vesicles from Lactobacillus Species
    Authors:  Julie C. Caruana, Scott N. Dean and Scott A. Walper, date: 09/05/2021, view: 764, Q&A: 0

    Throughout their life cycle, bacteria shed portions of their outermost membrane comprised of proteins, lipids, and a diversity of other biomolecules. These biological nanoparticles have been shown to have a range of highly diverse biological

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    Cytoduction and Plasmiduction in Yeast
    Authors:  Jane E. Dorweiler and Anita L. Manogaran, date: 09/05/2021, view: 714, Q&A: 0

    Cytoduction, and a related technique referred to as plasmiduction, have facilitated substantial advancements in the field of yeast prion biology by providing a streamlined method of transferring prions from one yeast strain to another. Prions are

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    Isolation of Myofibres and Culture of Muscle Stem Cells from Adult Zebrafish
    Authors:  Massimo Ganassi, Peter S. Zammit and Simon M. Hughes, date: 09/05/2021, view: 1202, Q&A: 0

    Skeletal muscles generate force throughout life and require maintenance and repair to ensure efficiency. The population of resident muscle stem cells (MuSCs), termed satellite cells, dwells beneath the basal lamina of adult myofibres and contributes

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