Index of /public/2025Q1
Name Last modified Size Description
Parent Directory -
SeaOtter/ 2025-02-20 07:47 -
Rockfish/ 2025-02-20 07:47 -
CAFlannelBush/ 2025-02-20 07:47 -
seqkit.hifiasm.stats.tsv 2025-02-23 14:23 2.8K
README.txt 2025-02-23 14:54 1.4K
OVERVIEW
This directory includes whole genome sequencing datasets generated on Revio and Vega systems
for California flannelBush, widow rockfish, and sea otter and associated hifiasm assemblies.
Samples were provided by the California Conservation Genomics Project (CCGP).
Thanks to the CCGP including Erin Toffelmier, Brad Shaffer, Oanh Nguyen, Courtney Miller,
Merly Escalona, and Lutz Froenicke.
METHODS
SAMPLES California flannelbush (Fremontodendron californicum)
Widow rockfish (Sebastes entomelas)
Sea otter (Enhydra lutris)
LIBRARY PREP SMRTbell libraries provided by CCGP; SMRTbell prep kit 3.0
SEQUENCING Vega system, Vega chemistry, 24 hour movie
Revio system, SPRQ chemistry, 24 hour movie
ANALYSIS Subsampled Revio data to ~65 Gbp HiFi yield (no subsample for Vega),
convert uBAM to FASTQ, assemble with hifiasm v0.24.0-r702
# Subsample data to ~65 Gbp (for Revio data only)
samtools view -@ 64 -s <SUBSAMP%> -b MOVIE.hifi_reads.bam > SPECIES.revio.downsamp.bam
pbindex -j 64 SPECIES.revio.downsamp.bam
# Convert uBAM to FASTQ
bam2fastq -u -j 16 -o SPECIES.revio.downsamp SPECIES.revio.downsamp.bam
pigz -9 -p 16 SPECIES.revio.downsamp.fastq
# Run hifiasm v0.24.0-r702
hifiasm -t 64 -o SPECIES.asm SPECIES.revio.downsamp.fastq.gz