Unlock Genomics Insights with Linked-Reads GemCode Platform
1. Unlock Powerful Genomics Insights with
Linked-Reads: Introducing the GemCode Platform
Michael Schnall-Levin
Vice President, Computational Biology and Applications
2. 750,000 Discrete Reagents in One Tube
• 14bp barcode
• Defined sequence
• Highly uniform size and representation
• Built-in sequencing adapter and primer content
Gel bead scaffold Functional oligo
with barcode
High-diversity library
54 um
P5 Barcode R1 N-mer
3. >100,000 Reactions Assembled in < 5 min
Enzyme
Cycl
e
Collect
DNABarcoded
primer library
Oil
GEMs
Pool
Solid phase
reagent delivery
Fluid partitioning
Liquid phase
biochemistry
4. 1 ng gDNA
~ 100 kb Average Length
> 100,000 Barcoded Partitions
< 5 fg per Partition
~ 0.1% of Genome per GEM
~ 90% Gel Bead Fill Rate
Haplotype Limiting Dilution
5. Linked-Reads – Whole Genome and Exome
Whole Genome
Exome
GemCode Workflow
Capture is Final Step on
Linked-Read Library
7. Long Ranger Pipeline Details
7
Align w/ BWA,
Mark PCR Duplicates,
Barcoding
Link Short Reads to Long Molecules
Call SNPs
and Indels
Call SVs
Phase SNPs, Indels, and SVs
Visit http://software.10xgenomics.com to explore in detail
10. Phasing Scales to Entire Chromosome Arms
Entire p arm of Chr10 in a single phase block (39.1 Mb)
Subset of phase block (3.1 Mb)
Subset of phase block (123 kb)
showing linked-read coverage across
ARHGAP12 gene
17. Zero evidence for variants in short-reads
All found with Linked-Reads
All variants in this region would be missed by short-reads
Serafim Batzoglou: Critical-Content Rescue
Editor's Notes
May want to do second definition of GEM next time reference that
Mention can tell which transcript variant was retrtransposed