CCR Sequencing Facility

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Over the last year the CCR-SF has sequenced several hundred samples for dozens of different NCI principal investigators, generated Terabases of mappable data, and has completed numerous projects. Sample types from various cancer types and infectious diseases including COVID, have been successfully sequenced include: whole genomic DNA, exome capture DNA, Chromatin Immuno-Precipitated DNA (ChIP), DNase HS DNA, 4C DNA, mRNA, short hairpin DNA, microRNA and Bisulfite samples. The labor intensive library preparation step is the major workflow bottle neck. To reduce library preparation costs and increase library preparation throughput and the efficiency of laboratory operations, the CCR-SF team has implemented Beckmans SPRIworks Fragment Library System (SPRI-TE). The SPRI-TE has the capability to produce three times the number of libraries prepared by a technician, uses a tightly controlled micro fluidics system to reduce manual liquid transfer variability, and the reagent costs are currently at or below the cost of the Illumina library preparation reagents before optimization. CCR-SF bioinformatics has implemented standard analyses on all applications. These analyses have been incorporated into an automation pipeline providing additional time to bioinformatics staff for optimizing the data quality and automation process. CCR-SF bioinformatics takes all new customers through an Introduction to Illumina session complete with a document for future reference. This course has been given across NCI. The CCR-SF Quality Management team has implemented a robust QC workflow to help identify potential failures as early as possible further conserving resources and increasing overall efficiency.