Molecular Biology

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    Protocols in Current Issue
    RNA Sequencing of Single Myofibers from Mus musculus
    Authors:  Darren M. Blackburn, Felicia Lazure and Vahab D. Soleimani, date: 02/20/2020, view: 299, Q&A: 0
    [Abstract] Whole transcriptome analysis is a key method in biology that allows researchers to determine the effect a condition has on gene regulation. One difficulty in RNA sequencing of muscle is that traditional methods are performed on the whole muscle, but this captures non-myogenic cells that are part of the muscle. In order to analyze only the ...
    Structural Alignment and Covariation Analysis of RNA Sequences
    Authors:  Nicolas J. Tourasse and Fabien Darfeuille, date: 02/05/2020, view: 257, Q&A: 0
    [Abstract] RNA molecules adopt defined structural conformations that are essential to exert their function. During the course of evolution, the structure of a given RNA can be maintained via compensatory base-pair changes that occur among covarying nucleotides in paired regions. Therefore, for comparative, structural, and evolutionary studies of RNA ...
    Detection of Individual RNA in Fixed Cells and Tissues by Chromogenic ISH
    Authors:  Meng Jiang, Chen Lin and Rongqin Ke, date: 02/05/2020, view: 210, Q&A: 0
    [Abstract] Visualization of RNA molecules in situ helps to better understand the functions of expressed genes. Currently, most conventional in situ hybridization methods for visualization of individual RNAs are based on fluorescence detection. Herein we present a chromogenic in situ hybridization protocol for visualization of ...
    Ribonucleoprotein Immunoprecipitation (RIP) Analysis
    Authors:  Jennifer L. Martindale, Myriam Gorospe and Maria L. Idda, date: 01/20/2020, view: 461, Q&A: 0
    [Abstract] RNAs and RNA-binding proteins (RBPs) can interact dynamically in ribonucleoprotein (RNP) complexes that play important roles in controlling gene expression programs. One of the powerful ways to investigate changes in the association of RNAs with an RBP of interest is by immunoprecipitation (IP) analysis of native RNPs. RIP (RNP ...
    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: 404, 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: 463, 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 ...
    Protocol for Ribosome Profiling in Bacteria
    Authors:  Fuad Mohammad and Allen R. Buskirk, date: 12/20/2019, view: 851, Q&A: 0
    [Abstract] Ribosome profiling provides information on the position of ribosomes on mRNA on a genomic scale. Although this information is often used to detect changes in gene expression under different conditions, it also has great potential for yielding insight into the mechanism and regulation of protein synthesis itself. First developed in yeast, ribosome ...
    Labeling and Isolation of Fluorouracil Tagged RNA by Cytosine Deaminase Expression
    Authors:  Harihar Basnet and Joan Massague, date: 11/20/2019, view: 540, Q&A: 0
    [Abstract] Tissues are comprised of different cell types whose interactions elicit distinct gene expression patterns that regulate tissue formation, regeneration, homeostasis and repair. Analysis of these gene expression patterns require methods that can capture as closely as possible the transcriptomes of cells of interest in their tissue microenvironment. ...
    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: 438, 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 ...
    Simple Synthesis of Functionalized Paramagnetic Beads for Nucleic Acid Purification and Manipulation
    [Abstract] The purification of nucleic acids is one of the most common procedures employed in modern molecular biology laboratories. Typically, commercial column-based protocols are utilized to isolate DNA or RNA from various sources. However, these methods not only require specialized equipment, but are also extremely expensive for high-throughput ...



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