Molecular Biology

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    Solid Phase PCR on 3D Microstructure ArrayChip for Pathogen Detection Application
    Authors:  Krishna Kant and Tien Anh Ngo, date: 08/05/2019, view: 183, Q&A: 0
    [Abstract] Advanced free angle photolithography (FAPL) is presented for making 3D supercritical angle fluorescence (SAF) microstructures and transfer them on to polymeric chips using injection molding technique for low-cost microfluidic devices embedded with optical sensing structures. A solid phase polymerase chain reaction (SP-PCR) is used as model ...
    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: 187, Q&A: 0
    [Abstract] 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 experimentally, the position and frequency of ssDNA formed during replication must be verified clearly. Although ...
    Ex vivo Analysis of DNA Repair Capacity of Human Peripheral Blood Mononuclear Cells by a Modified Host Cell Reactivation Assay
    Authors:  Katja Matt and Jörg Bergemann, date: 08/05/2019, view: 126, Q&A: 0
    [Abstract] The ability of humans to repair DNA damages decreases with increasing age. In order to be able to repair daily occurring DNA damages, it becomes more and more important to preserve repair capability of cells with aging. The preservation of DNA repair processes contributes to preventing DNA mutations and subsequently the onset of age-related ...
    Detection of Heteroplasmic Variants in the Mitochondrial Genome through Massive Parallel Sequencing
    Authors:  Joke Mertens, Filippo Zambelli, Dorien Daneels, Ben Caljon, Karen Sermon and Claudia Spits, date: 07/05/2019, view: 440, Q&A: 0
    [Abstract] Detecting heteroplasmies in the mitochondrial DNA (mtDNA) has been a challenge for many years. In the past, Sanger sequencing was the main option to perform this analysis, however, this method could not detect low frequency heteroplasmies. Massive Parallel Sequencing (MPS) provides the opportunity to study the mtDNA in depth, but a controlled ...
    A High-throughput qPCR-based Method to Genotype the SOD1G93A Mouse Model for Relative Copy Number
    Authors:  Valerie R. Tassinari and Fernando G. Vieira, date: 06/20/2019, view: 688, Q&A: 0
    [Abstract] The most commonly used mouse model in ALS preclinical research expresses multiple copies of the human SOD1 (G93A) transgene. During the course of breeding, successive generations of mice can lose copies of the transgene. Because shorter lifespan of these mice is dependent on transgene copy number, it is essential to ensure that no low-copy, and ...
    Minigene Assay to Evaluate CRISPR/Cas9-based Excision of Intronic Mutations that Cause Aberrant Splicing in Human Cells
    Authors:  David J. Sanz and Patrick T. Harrison, date: 06/05/2019, view: 460, Q&A: 0
    [Abstract] The construction of Hybrid minigenes provides a robust and simple strategy to study the effects of disease-causing mutations on mRNA splicing when biological material from patient cells is not available. Hybrid minigenes can be used as splicing reporter plasmids allow RNA expression and heterologous splicing reactions between synthetic splicing ...
    Improved HTGTS for CRISPR/Cas9 Off-target Detection
    Authors:  Jianhang Yin, Mengzhu Liu, Yang Liu and Jiazhi Hu, date: 05/05/2019, view: 709, Q&A: 0
    [Abstract] Precise genome editing is essential for scientific research and clinical application. At present, linear amplification-mediated high-throughput genome-wide translocation sequencing (LAM-HTGTS) is one of most effective methods to evaluate the off-target activity of CRISPR-Cas9, which is based on chromosomal translocation and employs a “bait” DNA ...
    Multiple Modification of Chromosomal Loci Using URA5.3 Selection Marker in the Unicellular Red Alga Cyanidioschyzon merolae
    Authors:  Tokiaki Takemura, Sousuke Imamura, Yuki Kobayashi and Kan Tanaka, date: 04/05/2019, view: 825, Q&A: 0
    [Abstract] The unicellular red alga Cyanidioschyzon merolae has been used as a eukaryotic photosynthetic model for various basic and applied studies. Although the nuclear genome of C. merolae can be modified by homologous recombination with exogenously introduced DNA, it has been difficult to modify multiple chromosome loci within the same ...
    Quantification of Hepatitis B Virus Covalently Closed Circular DNA in Infected Cell Culture Models by Quantitative PCR
    Authors:  Bingqian Qu and Stephan Urban, date: 04/05/2019, view: 997, Q&A: 0
    [Abstract] Persistence of the human hepatitis B virus (HBV) requires the maintenance of covalently closed circular (ccc)DNA, the episomal genome reservoir in nuclei of infected hepatocytes. cccDNA elimination is a major aim in future curative therapies currently under development. In cell culture based in vitro studies, both hybridization- and ...
    Delivering "Chromatic Bacteria" Fluorescent Protein Tags to Proteobacteria Using Conjugation
    Authors:  Rudolf O Schlechter and Mitja NP Remus-Emsermann, date: 04/05/2019, view: 981, Q&A: 0
    [Abstract] Recently, we published a large and versatile set of plasmids, the chromatic bacteria toolbox, to deliver eight different fluorescent protein genes and four combinations of antibiotic resistance genes to Gram-negative bacteria. Fluorescent tags are important tools for single-cell microbiology, synthetic community studies, biofilm, and host-microbe ...



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