Systems Biology

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    Protocols in Current Issue
    Identification of R-loop-forming Sequences in Drosophila melanogaster Embryos and Tissue Culture Cells Using DRIP-seq
    Authors:  Célia Alecki and Nicole J. Francis, date: 05/05/2021, view: 273, Q&A: 0

    R-loops are non-canonical nucleic structures composed of an RNA–DNA hybrid and a displaced ssDNA. Originally identified as a source of genomic instability, R-loops have been shown over the last decade to be involved in the targeting of

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    Identification of R-loop-forming Sequences in Drosophila melanogaster Embryos and Tissue Culture Cells Using DRIP-seq
    Authors:  Célia Alecki and Nicole J. Francis, date: 05/05/2021, view: 273, Q&A: 0
    [Abstract]

    R-loops are non-canonical nucleic structures composed of an RNA–DNA hybrid and a displaced ssDNA. Originally identified as a source of genomic instability, R-loops have been shown over the last decade to be involved in the targeting of proteins and to be associated with different histone modifications, suggesting a regulatory function. In

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    Computational Analysis and Phylogenetic Clustering of SARS-CoV-2 Genomes
    Authors:  Bani Jolly and Vinod Scaria, date: 04/20/2021, view: 951, Q&A: 0
    [Abstract]

    COVID-19, the disease caused by the novel SARS-CoV-2 coronavirus, originated as an isolated outbreak in the Hubei province of China but soon created a global pandemic and is now a major threat to healthcare systems worldwide. Following the rapid human-to-human transmission of the infection, institutes around the world have made efforts to generate

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    Trypanosomatid, fluorescence-based in vitro U-insertion/U-deletion RNA-editing (FIDE)
    Authors:  Wolf-Matthias Leeder, Elisabeth Kruse and H. Ulrich Göringer, date: 03/05/2021, view: 546, Q&A: 0
    [Abstract]

    Gene expression within the mitochondria of African trypanosomes and other protozoan organisms relies on a nucleotide-specific RNA-editing reaction. In the process exclusively uridine (U)-nucleotides are site-specifically inserted into and deleted from sequence-deficient primary transcripts to convert them into translatable mRNAs. The reaction is

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    Primer ID Next-Generation Sequencing for the Analysis of a Broad Spectrum Antiviral Induced Transition Mutations and Errors Rates in a Coronavirus Genome
    [Abstract]

    Next generations sequencing (NGS) has become an important tool in biomedical research. The Primer ID approach combined with the MiSeq platform overcomes the limitation of PCR errors and reveals the true sampling depth of population sequencing, making it an ideal tool to study mutagenic effects of potential broad-spectrum antivirals on RNA viruses.

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    EmPC-seq: Accurate RNA-sequencing and Bioinformatics Platform to Map RNA Polymerases and Remove Background Error
    [Abstract]

    Transcription errors can substantially affect metabolic processes in organisms by altering the epigenome and causing misincorporations in mRNA, which is translated into aberrant mutant proteins. Moreover, within eukaryotic genomes there are specific Transcription Error-Enriched genomic Loci (TEELs) which are transcribed by RNA polymerases with

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    Low- and High-resolution Dynamic Analyses for Magnetic Resonance Spectroscopy Data
    Author:  Reuben Rideaux, date: 01/20/2021, view: 588, Q&A: 0
    [Abstract]

    Magnetic resonance spectroscopy (MRS) can be used to measure in vivo concentrations of neurometabolites. This information can be used to identify neurotransmitter involvement in healthy (e.g., perceptual and cognitive processes) and unhealthy brain function (e.g., neurological and psychiatric illnesses). The standard approach for analyzing MRS

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    Reference-free Association Mapping from Sequencing Reads Using k-mers
    Authors:  Zakaria Mehrab, Jaiaid Mobin, Ibrahim Asadullah Tahmid, Lior Pachter and Atif Rahman, date: 11/05/2020, view: 1155, Q&A: 0
    [Abstract] Association mapping is the process of linking phenotypes with genotypes. In genome wide association studies (GWAS), individuals are first genotyped using microarrays or by aligning sequenced reads to reference genomes. However, both these approaches rely on reference genomes which limits their application to organisms with no or incomplete ...
    Low-cost and High-throughput RNA-seq Library Preparation for Illumina Sequencing from Plant Tissue
    Authors:  Marta Bjornson, Kaisa Kajala, Cyril Zipfel and Pingtao Ding, date: 10/20/2020, view: 1805, Q&A: 0
    [Abstract] Transcriptome analysis can provide clues to biological processes affected in different genetic backgrounds or/and under various conditions. The price of RNA sequencing (RNA-seq) has decreased enough so that medium- to large-scale transcriptome analyses in a range of conditions are feasible. However, the price and variety of options for library ...
    Whole-genome Identification of Transcriptional Start Sites by Differential RNA-seq in Bacteria
    Authors:  Ramón Cervantes-Rivera and Andrea Puhar, date: 09/20/2020, view: 1524, Q&A: 0
    [Abstract] Gene transcription in bacteria often starts some nucleotides upstream of the start codon. Identifying the specific Transcriptional Start Site (TSS) is essential for genetic manipulation, as in many cases upstream of the start codon there are sequence elements that are involved in gene expression regulation. Taken into account the classical gene ...
    BRIDGE: An Open Platform for Reproducible Protein-Ligand Simulations and Free Energy of Binding Calculations
    Authors:  Tharindu Senapathi, Christopher B. Barnett and Kevin J. Naidoo, date: 09/05/2020, view: 3369, Q&A: 2
    [Abstract] Protein-ligand binding prediction is central to the drug-discovery process. This often follows an analysis of genomics data for protein targets and then protein structure discovery. However, the complexity of performing reproducible protein conformational analysis and ligand binding calculations, using vetted methods and protocols can be a ...



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