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  • precisionFDA is launching the Truth Challenge V2

    In the context of whole human genome sequencing, software pipelines typically rely on (1) mapping sequencing reads or assemblies to a reference genome, and (2) the subsequent identification of variants. One way of assessing the performance of such pipelines is by using well-characterized reference datasets such as Genome in a Bottle’s 7 human genome benchmarks. Two of these benchmarks were used in the first precisionFDA Truth Challenge, which assessed variant calling accuracy in “easier-to-map” regions of the genome. The Genome in a Bottle Consortium led by the National Institute of Standards and Technology (NIST) has developed expanded benchmarks for HG003 and HG004, the parents of an Ashkenazi trio. Before their release, precisionFDA and NIST are running a new truth challenge focused on variant calling in more challenging genomic regions.

    Join this challenge to assess variant calling pipeline performance on a common frame of reference consisting of difficult-to-map regions, segmental duplications, and the Major Histocompatibility Complex (MHC). Ilumina, PacBio HiFi, and Oxford Nanopore sequencing datasets will be made available for this challenge.

    The challenge submission period opens May 1st and runs through June 1st. For more information and to pre-register, visit the challenge site here!

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  • seqadmin
    Current Approaches to Protein Sequencing
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    Proteins are often described as the workhorses of the cell, and identifying their sequences is key to understanding their role in biological processes and disease. Currently, the most common technique used to determine protein sequences is mass spectrometry. While still a valuable tool, mass spectrometry faces several limitations and requires a highly experienced scientist familiar with the equipment to operate it. Additionally, other proteomic methods, like affinity assays, are constrained...
    04-04-2024, 04:25 PM
  • seqadmin
    Strategies for Sequencing Challenging Samples
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    Despite advancements in sequencing platforms and related sample preparation technologies, certain sample types continue to present significant challenges that can compromise sequencing results. Pedro Echave, Senior Manager of the Global Business Segment at Revvity, explained that the success of a sequencing experiment ultimately depends on the amount and integrity of the nucleic acid template (RNA or DNA) obtained from a sample. “The better the quality of the nucleic acid isolated...
    03-22-2024, 06:39 AM

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