Microbiology

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    Selection of Vaccinia Virus Recombinants Using CRISPR/Cas9
    Authors:  Anjali Gowripalan, Stewart A. Smith and David C. Tscharke, date: 12/20/2021, view: 498, Q&A: 0

    The engineering of poxvirus genomes is fundamental to primary and applied virology research. Indeed, recombinant poxviruses form the basis for many novel vaccines and virotherapies but producing and purifying these viruses can be arduous. In recent

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    Estimation of the Minimum Number of Replication Origins Per Chromosome in any Organism
    Author:  Marcelo S. da Silva, date: 10/20/2020, view: 1969, Q&A: 0
    Eukaryote nuclear genomes predominantly replicate through multiple replication origins. The number of replication origins activated per chromosome during the S-phase duration may vary according to many factors, but the predominant one is replication ...
    Different Methods of Soil DNA Extraction
    Authors:  Asmita Kamble and Harinder Singh, date: 01/20/2020, view: 9030, Q&A: 0
    Soil is the major reservoir of microbial diversity. Only 1% of microbial diversity can be cultured while 99% is still not culturable. It is necessary to extract DNA from soil in order to explore the 99% microbial diversity, which will be useful to ...
    Quantification of HIV-2 DNA in Whole Blood
    Authors:  Zsófia Szojka, Sara Karlson, Marianne Jansson and Patrik Medstrand, date: 10/20/2019, view: 3371, Q&A: 0
    Time to AIDS infection is longer with HIV-2, compared to HIV-1, but without antiretroviral therapy both infections will cause AIDS-related mortality. In HIV-2 infection, monitoring of antiretroviral treatment (ART) efficacy is challenging since a ...
    Strand-specific Single-stranded DNA Sequencing (4S-seq) of E. coli genomes
    Authors:  Takahiro Masuda, Nobuaki Kono, Masaru Tomita and Kazuharu Arakawa, date: 08/05/2019, view: 4853, Q&A: 0
    Most bacterial genomes have biased nucleotide composition, and the asymmetry is considered to be caused by a single-stranded DNA (ssDNA) deamination arising from the bacterial replication machinery. In order to evaluate the relationship ...
    Isolation of PCR-quality Genomic DNA from Soils Impacted with Extra Heavy Crude Oil
    For the study of microbial communities in samples of soils impacted with extra heavy crude oil, it is necessary to perform molecular analyses. Due to the difficulty of oil matrix handling, there are very few protocols reported in writing. Also, one ...
    CRISPR/Cas9-mediated ssDNA Recombineering in Corynebacterium glutamicum
    Authors:  Jiao Liu, Yu Wang, Ping Zheng and Jibin Sun, date: 10/05/2018, view: 5274, Q&A: 0
    Corynebacterium glutamicum is a versatile workhorse for industrial bioproduction of many kinds of chemicals and fuels, notably amino acids. Development of advanced genetic engineering tools is urgently demanded for systems metabolic ...
    ChIP-seq Experiment and Data Analysis in the Cyanobacterium Synechocystis sp. PCC 6803
    Authors:  Joaquín Giner-Lamia, Miguel A. Hernández-Prieto and Matthias E. Futschik, date: 06/20/2018, view: 10047, Q&A: 0
    Nitrogen is an essential nutrient for all living organisms. In cyanobacteria, a group of oxygenic photosynthetic bacteria, nitrogen homeostasis is maintained by an intricate regulatory network around the transcription factor NtcA. Although ...
    Targeted Genome Editing of Virulent Phages Using CRISPR-Cas9
    Authors:  Marie-Laurence Lemay, Ariane C. Renaud, Geneviève M. Rousseau and Sylvain Moineau, date: 01/05/2018, view: 12889, Q&A: 1
    This protocol describes a straightforward method to generate specific mutations in the genome of strictly lytic phages. Briefly, a targeting CRISPR-Cas9 system and a repair template suited for homologous recombination are provided inside a bacterial ...
    Markerless Gene Editing in the Hyperthermophilic Archaeon Thermococcus kodakarensis
    Authors:  Alexandra M. Gehring, Travis J. Sanders and Thomas J. Santangelo, date: 11/20/2017, view: 6274, Q&A: 0
    The advent of single cell genomics and the continued use of metagenomic profiling in diverse environments has exponentially increased the known diversity of life. The recovered and assembled genomes predict physiology, consortium interactions and ...



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