Molecular Biology

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    Protocols in Current Issue
    A Protocol for Simple, Rapid, and Direct Detection of SARS-CoV-2 from clinical samples, using Reverse Transcribed Loop-Mediated Isothermal Amplification (RT-LAMP)
    [Abstract] SARS-CoV-2 has quickly spread all around the globe causing illness and wide damages. Most countries were unprepared for such a rapid spread and crisis. This led to various strategies for effective control of the new pandemic. A key aspect in all countries was to effectively test the population for the virus. Most countries chose a lockdown ...
    Using RNA Sequencing and Spike-in RNAs to Measure Intracellular Abundance of lncRNAs and mRNAs
    Authors:  Megan D. Schertzer, McKenzie M. Murvin and J. Mauro Calabrese, date: 10/05/2020, view: 200, Q&A: 0
    [Abstract] Long noncoding RNAs (lncRNAs) play essential roles in normal physiology and in disease but their mechanisms of action can be challenging to identify. For mechanistic studies, it is often useful to know a lncRNA’s intracellular abundance, i.e., approximately how many molecules of the lncRNA are present in a typical cell of a cell-type of ...
    Screening Method for CRISPR/Cas9 Inhibition of a Human DNA Virus: Herpes Simplex Virus
    [Abstract] The efficiency of cleavage of individual CRISPR/Cas9-sgRNAs remains difficult to predict based on the CRISPR target sequence alone. Different intracellular environments (dependent on cell type or cell cycle state for example) may affect sgRNA efficiency by altering accessibility of genomic DNA through DNA modifications such as epigenetic marks and ...
    Paper Lateral Flow Biosensor for Nodavirus Reverse Transcribed RNA Detection
    Authors:  Dimitra K. Toubanaki and Evdokia Karagouni, date: 08/05/2020, view: 533, Q&A: 0
    [Abstract] Paper nanobiosensors have been established as an excellent platform for analysis of veterinary and human pathogens causing various diseases. Especially, lateral flow assays or biosensors ideal for sensitive, rapid, robust and accurate analysis in laboratory setups and on-site analysis. Viral RNA detection is of great importance for public health ...
    Confocal and Super-resolution Imaging of RNA in Live Bacteria Using a Fluorogenic Silicon Rhodamine-binding Aptamer
    Authors:  Regina Wirth, Peng Gao, G. Ulrich Nienhaus, Murat Sunbul and Andres Jäschke, date: 05/05/2020, view: 1722, Q&A: 0
    [Abstract] Genetically encoded light-up RNA aptamers have been shown to be promising tools for the visualization of RNAs in living cells, helping us to advance our understanding of the broad and complex life of RNA. Although a handful of light-up aptamers spanning the visible wavelength region have been developed, none of them have yet been reported to be ...
    Viral Double-Stranded RNA Detection by DNase I and Nuclease S1 digestions in Leishmania parasites
    Authors:  Nathalie Isorce and Nicolas Fasel, date: 05/05/2020, view: 802, Q&A: 0
    [Abstract] Many RNA viruses are found in protozoan parasites. They can be responsible for more serious pathology or treatment failure. For the detection of viral double-stranded RNA (dsRNA), sequence-dependent and -independent methods are available, such as quantitative real-time PCR and immunofluorescence, dot blot, ELISA or sequencing. The technique ...
    Real-time Fluorescence Measurement of Enterovirus Uncoating
    Authors:  Visa Ruokolainen, Mira Laajala and Varpu Marjomäki, date: 04/05/2020, view: 987, Q&A: 0
    [Abstract] Viruses need to open, i.e., uncoat, in order to release their genomes for efficient replication and translation. Especially for non-enveloped viruses, such as enteroviruses, the cues leading to uncoating are less well known. The status of the virus has previously been observed mainly by transmission electron microscopy using negative ...
    RNA Interactome Identification via RNA-BioID in Mouse Embryonic Fibroblasts
    Authors:  Joyita Mukherjee, Mirita Franz-Wachtel, Boris Maček and Ralf-Peter Jansen, date: 01/05/2020, view: 1735, Q&A: 0
    [Abstract] Cytoplasmic localization of mRNAs is common to all organisms and serves the spatial expression of genes. Cis-acting RNA signals (mostly found in the mRNA’s 3'-UTR), called zipcodes recruit trans-acting RNA-binding proteins that facilitate the localization of the mRNA. UV-cross-linking or affinity purification has been applied to identify such ...
    Laser Capture Micro-dissection (LCM) of Neonatal Mouse Forebrain for RNA Isolation
    Authors:  Achira Roy, Mei Deng, Kimberly A. Aldinger, Ian A. GLass and Kathleen J. Millen, date: 01/05/2020, view: 2210, Q&A: 0
    [Abstract] Precise and reproducible isolation of desired cell types or layers from heterogeneous tissues is crucial to analyze specific gene profiles and molecular interactions in vivo. Forebrain is the core site of higher functions, like cognition and memory consolidation. It is composed of heterogeneous and distinct cell types, interconnected to ...
    A Mismatch-tolerant RT-LAMP Method for Molecular Diagnosis of Highly Variable Viruses
    Authors:  Yingxue Li, Yi Zhou, Yingying Ma, Rong Xu, Xia Jin and Chiyu Zhang, date: 11/05/2019, view: 2192, Q&A: 0
    [Abstract] Loop-mediated isothermal amplification (LAMP) has been widely used in the detection of pathogens. However, there are usually numerous variants in one viral pathogen and primers employed in LAMP can hardly match all these variants. The mismatches between the primers and the viral genomes, especially those at the 3′-end of the primers, hinder LAMP ...



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