13 episodes

The Podcast Explain is for everyone interested in DNA/RNA sequencing or technology in general. As Iuliia doesn't have a solid background in sequencing, she keeps asking "simple" - even silly at times - questions and Daniel gives his best to make us understand.

Explain Podcast explain.pod

    • Science

The Podcast Explain is for everyone interested in DNA/RNA sequencing or technology in general. As Iuliia doesn't have a solid background in sequencing, she keeps asking "simple" - even silly at times - questions and Daniel gives his best to make us understand.

    Episode 9: Single Cell Sequencing

    Episode 9: Single Cell Sequencing

    Chapters:



    08:00 Gambling

    15:00 Bubbles

    30:00 Holes

    57:30 One more thing

    1:07:00 Finale

    1:08:00 Finale of season 1!





    Eric Chow explaining single cell sequencing: https://www.youtube.com/watch?v=k9VFNLLQP8c



    Overview of things to consider: https://www.youtube.com/watch?v=VWUPKrnRvoQ



    How to analyze single cell data: https://www.youtube.com/watch?v=5HBzgsz8qyk



    A very good single cell analysis toolkit: https://satijalab.org/seurat/



    Explainer for the rough workflow:
    https://www.technologynetworks.com/genomics/articles/understanding-single-cell-sequencing-how-it-works-and-its-applications-357578



    Quick explainer on single cell sequencing:
    https://www.the-scientist.com/single-cell-sequencing-in-a-nutshell-71048



    A method-overview paper: https://www.nature.com/articles/s12276-020-00499-2



    Comparing BD Parse and 10xGenomics: https://pubmed.ncbi.nlm.nih.gov/33414681/



    Pseudotime analysis: https://bioconductor.org/books/3.14/OSCA.advanced/trajectory-analysis.html



    Since 2018, West German Genome Center (https://wggc.de/) operates as the next generation sequencing facility and supports research in genomics & transcriptomics by providing expertise and sequencing services. WGGC is a part of the Next Generation Sequencing Competence Network (NGS-CN: https://ngs-kn.de/) - network of NGS core facilities in Germany.

    Listen to our podcast and send your feedback to ( podcast[dot]explain[at]gmail[dot]com ).

    The Explain Podcast is recorded at the Medienlabor at Heinrich-Heine University of Düsseldorf (https://medienlab.phil.hhu.de/). Our podcast is an outreach activity within the national genomics facility "West German Genome Center" funded by the DFG (https://www.dfg.de/) (No. 407493903).



    PS: I do not know how in the Parse approach the cells are treated to let the ligase and DNA enter each cell, but do not let RNA flow out of the cell at the same time. -DR

    • 1 hr 10 min
    Special Episode 3: PhiX / UMIs / QC

    Special Episode 3: PhiX / UMIs / QC

    Getting the most out of Machines



    Chapters:

    04:30 PhiX

    14:30 low complexity

    19:30 UMIs

    32:10 FastQC

    43:00 MultiQC

    56:40 PycoQC



    PhiX concentrations for loading a validation run:
    https://knowledge.illumina.com/instrumentation/general/instrumentation-general-reference_material-list/000001536



    Dnatech on why UMIs are used:
    https://dnatech.genomecenter.ucdavis.edu/faqs/what-are-umis-and-why-are-they-used-in-high-throughput-sequencing/



    BMH learning on UMIs: https://www.youtube.com/watch?v=sRPMsnhIBK0



    FastQC for QC of .fastq(.gz) files:
    https://www.bioinformatics.babraham.ac.uk/projects/fastqc/



    A FastQC report from a „good“ sample:
    https://www.bioinformatics.babraham.ac.uk/projects/fastqc/good_sequence_short_fastqc.html



    multiqc for summarizing QC reports: https://multiqc.info/



    UMI-tools for working with UMI data: https://umi-tools.readthedocs.io/en/latest/



    pycoQC for Nanopore QC: https://github.com/a-slide/pycoQC



    Since 2018, West German Genome Center (https://wggc.de/)
    operates as the next generation sequencing facility and supports
    research in genomics & transcriptomics by providing expertise and
    sequencing services. WGGC is a part of the Next Generation Sequencing Competence Network (NGS-CN: https://ngs-kn.de/)
    - network of NGS core facilities in Germany. Listen to our podcast and we're happy to receive your feedback&questions via Email (
    podcast[dot]explain[at]gmail[dot]com ).



    The Explain Podcast is recorded at the Medienlabor at
    Heinrich-Heine University of Düsseldorf (https://medienlab.phil.hhu.de/). Our podcast is an outreach activity within the national genomics facility "West German Genome Center" funded by the DFG (https://www.dfg.de/) (No. 407493903).

    • 1 hr 10 min
    Episode 8: Nanopore

    Episode 8: Nanopore

    Pushing spaghetti through holes



    Chapers:

    00:00 Intro

    11:15 Measuring Ions

    17:00 Quality

    23:00 Duplex

    24:30 MinION

    25:15 PromethION

    28:20 Methylation

    29:00 Direct RNA sequencing

    38:25 Basecalling

    46:00 Basecalling bias

    53:50 Sequencing proteins



    - Nanopore explainer:
    https://nanoporetech.com/applications/dna-nanopore-sequencing



    - Oxsci explaining the technology:
    https://oxsci.org/pore-over-this-advances-in-dna-sequencing/



    - History of Nanopore:
    https://www.whatisbiotechnology.org/index.php/science/summary/nanopore/nanopore-sequencing-makes-it-possible-to-decode-the



    - Shmou’s Biology explaining Nanopore sequencing:
    https://www.youtube.com/watch?v=MlluAjhzXqI



    - A direct comparison of Nanopore and Illumina output:
    https://medresearch.umich.edu/office-research/about-office-research/biomedical-research-core-facilities/advanced-genomics-core/technologies/next-generation-sequencing



    - A nice Nanopore QC tool we use: https://hpc.nih.gov/apps/pycoQC.html



    - How a MinION looks like:
    https://www.whatech.com/og/markets-research/medical/658327-global-nanopore-sequencing-market-2020



    Since 2018, West German Genome Center (https://wggc.de/)
    operates as the next generation sequencing facility and supports
    research in genomics & transcriptomics by providing expertise and
    sequencing services. WGGC is a part of the Next Generation Sequencing Competence Network (NGS-CN: https://ngs-kn.de/)
    - network of NGS core facilities in Germany.

    Listen to our podcast and we're happy to receive your feedback&questions via Email ( podcast[dot]explain[at]gmail[dot]com ).

    The Explain Podcast is recorded at the Medienlabor at Heinrich-Heine University of Düsseldorf (https://medienlab.phil.hhu.de/).

    Our podcast is an outreach activity within the national genomics
    facility "West German Genome Center" funded by the DFG
    (https://www.dfg.de/) (No. 407493903).

    • 57 min
    Episode 7: PacBio

    Episode 7: PacBio

    Zipping rounds in zeptoliters



    Chapters:

    00:00 Intro

    07:00 Laser

    09:00 Zeptoliters

    13:30 Polymerase speed

    19:00 Error rate

    22:00 SMRT Cell

    25:45 ccs

    30:00 Fragment size

    34:30 Megaruptor

    38:20 Data flow

    47:00 SVs

    53:00 MAS Seq



    - Starter: https://www.nature.com/articles/s41366-021-00824-3



    - Karobben on PacBio sequencing: https://karobben.github.io/2023/10/30/Bioinfor/PacBio/



    - bioinformticamente explaining the technology:
    https://bioinformaticamente.com/2020/12/05/pacbio-sequencing/



    - Basic Biochem explainer of SMRT sequencing:
    https://www.youtube.com/watch?v=H2gUmRf-K1c



    - Genomics Lab explaining it: https://www.youtube.com/watch?v=vRhUSjhygDU



    - PacBio explaining BAM Tags: https://pacbiofileformats.readthedocs.io/en/13.0/BAM.html



    - Megaruptor3 explainer (how we make the right sized fragments) :
    https://www.youtube.com/watch?v=zVhqnkQL8zo



    - How we select the right sized fragments: https://www.youtube.com/watch?v=A25C8xfBbq8





    Since 2018, West German Genome Center (https://wggc.de/)
    operates as the next generation sequencing facility and supports
    research in genomics & transcriptomics by providing expertise and
    sequencing services. WGGC is a part of the Next Generation Sequencing Competence Network (NGS-CN: https://ngs-kn.de/)
    - network of NGS core facilities in Germany. Listen to our podcast and we're happy to receive your feedback&questions via Email (
    podcast[dot]explain[at]gmail[dot]com ).



    The Explain Podcast is recorded at the Medienlabor at Heinrich-Heine University of Düsseldorf (https://medienlab.phil.hhu.de/).

    Our podcast is an outreach activity within the national genomics
    facility "West German Genome Center" funded by the DFG
    (https://www.dfg.de/) (No. 407493903).

    • 56 min
    Episode 6: Illumina Sequencing Part II

    Episode 6: Illumina Sequencing Part II

    Glued DNA bridges and rainbow clusters



    Chapters:

    00:43-Flowcells

    03:40-DNA glued to glass

    09:00-Bridge amplification

    15:50-Cluster density and patterned Flowcells

    28:30-Illumina SBS summary

    30:30-Limits

    33:00-Multiplexing and Demultiplexing







    - enseqlopedia on patterned vs unpatterned flowcell:
    http://enseqlopedia.com/2016/01/almost-everything-you-wanted-to-know-about-illumina-hiseq-4000-and-some-stuff-you-didnt/



    - ClevaLabs on Illumina sequencing: https://www.youtube.com/watch?v=WKAUtJQ69n8



    - Yourgenome on how the Illumina workflow works:
    https://www.yourgenome.org/facts/what-is-the-illumina-method-of-dna-sequencing/



    - DNATech comparing Illumina Machines:
    https://dnatech.genomecenter.ucdavis.edu/illumina-high-throughput-sequencing/



    - iBiology on sample preparation for Illumina sequencing:
    https://www.youtube.com/watch?v=PFwSe09dJX0



    - StatQuest on how to use Illumina sequencing for RNA analysis:
    https://www.youtube.com/watch?v=tlf6wYJrwKY



    - Illumina Flowcell and sequencing machines pictures:
    https://www.illumina.com/company/news-center/multimedia-images.html



    - Nice explainer about paired-end sequencing:
    https://www.youtube.com/watch?v=gVrmfLXJRGM





    Since 2018, West German Genome Center (https://wggc.de/)
    operates as the next generation sequencing facility and supports
    research in genomics & transcriptomics by providing expertise and
    sequencing services. WGGC is a part of the Next Generation Sequencing Competence Network (NGS-CN: https://ngs-kn.de/)
    - network of NGS core facilities in Germany. Listen to our podcast and send your feedback to ( podcast[dot]explain[at]gmail[dot]com ).

    The Explain Podcast is recorded at the Medienlabor at Heinrich-Heine University of Düsseldorf (https://medienlab.phil.hhu.de/).

    Our podcast is an outreach activity within the national genomics facility "West German Genome Center" funded by the DFG (https://www.dfg.de/) (No. 407493903).



    Clarification: Each Flowcell on the Illumina platform has 1-8
    channels, each channel can be filled with multiple different samples
    - DR

    • 38 min
    Episode 5: Illumina Sequencing Part I

    Episode 5: Illumina Sequencing Part I

    Colour mixing in PHRED space



    Chapters:



    00:00 Nucleotides level 2

    09:00 Cycles

    12:00 Not-so-wobbly mutations

    15:30 Reducing colourspace

    22:30 Cutting connections

    28:14 Costs and PHRED





    - ClevaLabs on Illumina sequencing: https://www.youtube.com/watch?v=WKAUtJQ69n8



    - Yourgenome on how the Illumina workflow works:
    https://www.yourgenome.org/facts/what-is-the-illumina-method-of-dna-sequencing/



    - DNATech comparing Illumina Machines:
    https://dnatech.genomecenter.ucdavis.edu/illumina-high-throughput-sequencing/



    - iBiology on sample preparation for Illumina sequencing:
    https://www.youtube.com/watch?v=PFwSe09dJX0



    - StatQuest on how to use Illumina sequencing for RNA analysis:
    https://www.youtube.com/watch?v=tlf6wYJrwKY



    - Illumina Flowcell and sequencing machines pictures:
    https://www.illumina.com/company/news-center/multimedia-images.html



    - Nice explainer about paired-end sequencing:
    https://www.youtube.com/watch?v=gVrmfLXJRGM



    Since 2018, West German Genome Center (https://wggc.de/)
    operates as the next generation sequencing facility and supports
    research in genomics & transcriptomics by providing expertise and
    sequencing services. WGGC is a part of the Next Generation Sequencing Competence Network (NGS-CN: https://ngs-kn.de/)
    - network of NGS core facilities in Germany.

    Listen to our podcast and send your feedback to ( podcast[dot]explain[at]gmail[dot]com ).

    The Explain Podcast is recorded at the Medienlabor at Heinrich-Heine University of Düsseldorf (https://medienlab.phil.hhu.de/).

    Our podcast is an outreach activity within the national genomics facility "West German Genome Center" funded by the DFG (https://www.dfg.de/) (No. 407493903).

    CORRECTION: On the Illumina 1-channel chemistry, one base signal gets added, one removed at the enzymatic step: so that's one signal that stays, one that disappears, one that comes to shine and one that never shines. - DR

    • 34 min

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