User: Tommy Au

gravatar for Tommy Au
Tommy Au40
Reputation:
40
Status:
New User
Location:
Hong Kong
Website:
http://tommyau.hk/
Scholar ID:
Google Scholar Page
Last seen:
1 day, 4 hours ago
Joined:
1 year, 8 months ago
Email:
c*********@gmail.com

Posts by Tommy Au

<prev • 8 results • page 1 of 1 • next >
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Comment: C: Mask or trim primer sequences in Amplicon sequencing
... Thank you for your comments. We described the case in details at [Scientific Reports 7:1567][1]. [1]: https://www.nature.com/articles/s41598-017-01703-6 ...
written 4 months ago by Tommy Au40
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Comment: C: Mask or trim primer sequences in Amplicon sequencing
... We exactly did such FASTQ hard trimming for variant calling purpose but almost missed a germline BRCA1 17-nt deletion in a hereditary breast cancer patient. ...
written 4 months ago by Tommy Au40
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Comment: C: primer trimming tools
... We also adopted the workflow of BWA-MEM alignment first and then soft-clip primer afterwards. Since ours are nested amplicons, GATK ClipReads cannot properly handle the primer clipping. We then developed and use [BAMClipper][1] ([Scientific Reports 7:1567][2]). The bonus is that errors in primer seq ...
written 4 months ago by Tommy Au40
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Comment: C: Mask or trim primer sequences in Amplicon sequencing
... For nested amplicon sequencing, we first align the original reads (having primer sequences) to reference and then mask the primers by soft-clipping the alignments using [BAMClipper][1] ([Scientific Reports 7:1567][2]). As mentioned in [another thread][3], primer trimming at FASTQ level (1) is comput ...
written 4 months ago by Tommy Au40
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Answer: A: Limiting variant calls to amplicon target regions?
... Primer trimming at FASTQ level (1) is computationally expensive, (2) incorrectly handles nested PCR amplicons, (3) makes indels harder to detect by conventional variant calling. [BAMClipper][1] is demonstrated to remove PCR primers by soft-clipping BAM alignments ([Scientific Reports 7:1567][2]), so ...
written 4 months ago by Tommy Au40
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Answer: A: Removing PCR primers in targeted sequencing with nested amplicons
... [BAMClipper][1] is designed to remove PCR primers in nested amplicon NGS setting ([Scientific Reports 7:1567][2]). [1]: https://github.com/tommyau/bamclipper [2]: https://www.nature.com/articles/s41598-017-01703-6 ...
written 4 months ago by Tommy Au40
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Answer: A: How to do INDEL alignment
... If your goal to have such "ideal alignment" is accurately calling the variant as a single variant in VCF format (complex indel), you may want to take a look at [INDELseek](https://github.com/tommyau/indelseek), which calls such complex indel directly from the BWA alignments. I tried to reproduce yo ...
written 9 months ago by Tommy Au40 • updated 9 months ago by Chris Miller18k
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Answer: A: Identifying FLT3-ITD with Pindel
... ITDseek is designed to detect FLT3 ITD in amplicon NGS reads https://github.com/tommyau/ITDseek ...
written 20 months ago by Tommy Au40

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