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    Protocol

    Mass Spectrometry-Based Methods to Determine the Substrate Specificities and Kinetics of N-Linked Glycan Hydrolysis by Endo-β-N-Acetylglucosaminidases

    Glycosylation is a common posttranslational modification of proteins and refers to the covalent addition of glycans, chains of polysaccharides, onto proteins producing glycoproteins. The glycans influence the ...

    Jonathan J. Du, Diego Sastre, Beatriz Trastoy, Blaine Roberts in Bacterial Pathogenesis (2023)

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    Protocol

    Total Metabolome Extraction from Mycobacterial Cells for GC-MS Metabolomics Analysis

    Over the past 10 years, the number of metabolomics based publications in the available scientific literature has exponentially grown, a large portion of which describing new biomarkers better elucidating micro...

    Derylize Beukes, Ilse du Preez, Du Toit Loots in Microbial Metabolomics (2019)

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    Protocol

    Fatty Acid Metabolome Extraction from Mycobacterial Cells for GC-MS Metabolomics Analysis

    Metabolomics is becoming an increasingly popular research tool for identifying new biomarkers, which can, among other applications, be applied to elucidate various microbial growth and virulence mechanisms. Si...

    Ilse du Preez, Derylize Beukes, Du Toit Loots in Microbial Metabolomics (2019)

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    Protocol

    Co-immunoprecipitation Analysis for the Detection of Protein–Protein Interactions in Yersinia pestis

    Co-immunoprecipitation is a classical method for the study of protein–protein and protein–DNA interactions, which is based on the specific recognition of antigens by antibodies (Sahr T, Buchrieser C: Methods M...

    Shiyang Cao, Zongmin Du in Yersinia Pestis Protocols (2018)

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    Protocol

    Identification of AI-2 Quorum Sensing Inhibitors in Vibrio harveyi Through Structure-Based Virtual Screening

    Quorum sensing (QS) is a cell-to-cell communication system that regulates gene expression as a result of the production and perception of signal molecules called autoinducers (AIs). AI-2 is a QS autoinducer pr...

    Tianyu Jiang, Peng Zhu, Lupei Du, Minyong Li in Quorum Sensing (2018)

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    Protocol

    Analysis of Yops Secretion by Yersinia pestis Type III Secretion System

    The type III secretion system (T3SS) is a highly conserved virulence mechanism that is widely distributed in Gram-negative bacteria. Three pathogenic Yersinia species share a common T3SS encoded by a 70-kb plasmi...

    Zongmin Du, Shiyang Cao in Yersinia Pestis Protocols (2018)

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    Protocol

    Detection of Type III Secretion System Needle Assembly in Yersinia pestis by Cross-Linking YscF

    Type III secretion systems (T3SSs) are finely tuned molecular machines that are required for the virulence of many Gram-negative bacteria. Both the transcription and secretion of the Yersinia pestis Ysc T3SS are ...

    Shiyang Cao, Zongmin Du in Yersinia Pestis Protocols (2018)

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    Protocol

    piggyBac Transposon-Based Insertional Mutagenesis for the Fission Yeast Schizosaccharomyces pombe

    Transposon-mediated insertional mutagenesis is a powerful tool for genetic screens. We have developed a piggyBac transposon-based mutagenesis system for the fission yeast Schizosaccharomyces pombe. Here, we descr...

    Jun Li, Li-Lin Du in Yeast Protocols (2014)

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    Protocol

    Phagocytosis and Killing Assays for Candida Species

    Both innate resistance and acquired cell-mediated immunity are involved in an anti-Candida response. Essential components of both the arms of the immune defense against infections by Candida spp. include phagocyt...

    Chen Du, Richard A. Calderone in Candida albicans (2009)