Molecular Biology


    Protocols in Current Issue
    Paper Lateral Flow Biosensor for Nodavirus Reverse Transcribed RNA Detection
    Authors:  Dimitra K. Toubanaki and Evdokia Karagouni, date: 08/05/2020, view: 231, 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 ...
    Preparation of Yeast tRNA Sample for NMR Spectroscopy
    Authors:  Marjorie Catala, Alexandre Gato, Carine Tisné and Pierre Barraud, date: 06/20/2020, view: 648, Q&A: 0
    [Abstract] Transfer RNAs (tRNAs) are heavily decorated with post-transcriptional modifications during their biosynthesis. To fulfil their functions within cells, tRNAs undergo a tightly controlled biogenesis process leading to the formation of mature tRNAs. In addition, functions of tRNAs are often modulated by their modifications. Although the biological ...
    Low-cost and Multiplexable Whole mRNA-Seq Library Preparation Method with Oligo-dT Magnetic Beads for Illumina Sequencing Platforms
    Authors:  Makoto Kashima, Ayumi Deguchi, Ayumi Tezuka and Atsushi J. Nagano, date: 06/20/2020, view: 1124, Q&A: 0
    [Abstract] RNA-Seq is a powerful method for transcriptome analysis used in varied field of biology. Although several commercial products and hand-made protocols enable us to prepare RNA-Seq library from total RNA, their cost are still expensive. Here, we established a low-cost and multiplexable whole mRNA-Seq library preparation method for illumine ...
    Biochemical Pulldown of mRNAs and Long Noncoding RNAs from Cellular Lysates Coupled with Mass Spectrometry to Identify Protein Binding Partners
    Authors:  Anca F. Savulescu, Stoyan Stoychev, Sipho Mamputha and Musa M. Mhlanga, date: 06/05/2020, view: 988, Q&A: 0
    [Abstract] RNA binding proteins (RBPs) interact with cellular mRNAs, controlling various steps throughout the lifetime of these transcripts, including transcription, cellular transport, subcellular localization, translation and degradation. In addition to binding mRNA transcripts, a growing number of RBPs are shown to bind long noncoding RNAs (lncRNAs), ...
    RNA Extraction from Ears and Draining Lymph Nodes of Mice Infected with Leishmania amazonensis
    Authors:  Emilie Giraud and Evie Melanitou, date: 06/05/2020, view: 652, Q&A: 0
    [Abstract] Parasites of the genus Leishmania infect the mammalian hosts, including mice and humans and cause cutaneous or visceral leishmaniasis depending upon the parasite species transmitted by the vector sandfly. Leishmania amazonensis is one of the Leishmania species responsible for the cutaneous form of the disease. We have ...
    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: 1403, 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: 613, 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 ...
    High-throughput Flow Cytometry Assay to Investigate TDP43 Splicing Function
    Authors:  H. Broder Schmidt and Rajat Rohatgi, date: 04/20/2020, view: 1203, Q&A: 0
    [Abstract] Mutations in RNA-binding proteins (RBPs) such as TDP43 are associated with transcriptome-wide splicing defects and cause severe neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). The impact of RBP mutations on splicing function is routinely studied using PCR-based bulk measurements. ...
    Circadian Gene Profiling in Laser Capture Microdissected Mouse Club Cells
    Authors:  Zhenguang Zhang and Andrew Loudon, date: 04/20/2020, view: 880, Q&A: 0
    [Abstract] Cell heterogeneity is high in tissues like lung. Research conducted on pure population of cells usually offers more insights than bulk tissues, such as circadian clock work. In this protocol, we provide a detailed work flow on how to do circadian clock study by RNA seq in laser capture micro-dissected mouse lung club cells. The method uses frozen ...
    Real-time Fluorescence Measurement of Enterovirus Uncoating
    Authors:  Visa Ruokolainen, Mira Laajala and Varpu Marjomäki, date: 04/05/2020, view: 784, 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 ...

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