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The DNA Technologies and Expression Analysis Cores at the Genome Center offer high-throughput sequencing, genotyping, and microarray services, as well as training and consultation. Our goal is to enable access to high throughput genome-wide analyses at economical recharge rates, as a functional extension of your laboratory. We operate on the cost-recovery principle. We employ liquid handling robots to minimize sample handling variation and to provide fast turnaround times. We are a designated Campus Research Core Facility.
We offer the two complementary Next Generation Sequencing (NGS) technologies: Illumina sequencing, and PacBio (long read) sequencing, and provide the full spectrum of sequencing options and a wide range of library preparation services for both platforms. Genotyping is performed on the Fluidigm EP1 System for low to medium assay numbers, and Illumina Infinium arrays for high density array SNP genotyping. Gene expression analysis is carried out by RNA-seq on HiSeq sequencers. Single-cell transcriptome (high-throughput single-cell gene expression profiling) and genome analyses (linked-read whole genome sequencing) are enabled by our 10X Genomics Chromium System.
We offer annual Illumina and PacBio sequencing library preparation workshops, free consultations on project considerations and experimental design, and custom sequencing library prep solutions. The Core’s equipment (with exception of the sequencers and the genotyping systems) is available to scientists on campus as Shared Equipment for a small usage fee.
We operate PacBio Sequel, PacBio RSII, Oxford Nanopore PromethION, Illumina HiSeq4000, NextSeq, and MiSeq sequencers, and do sequence on an Illumina NovaSeq 6000. The sequencers are complemented by 10X Genomics Chromium System (both genome and single-cell capabilities), liquid handling robots (PerkinElmer’s Sciclone NGS G3 and IntegenX’s Apollo), a Covaris E220 sonicator, and Fluidigm EP1 and Fluidigm Access Array systems for high-throughput sample and sequencing library preparation. We maintain a LIMS that allows users fast access to sequence data.
Our neighbors at the Bioinformatics Core provide sequence data analysis, statistical evaluations, consulting, and training workshops to help you get the most out of your data. Please contact us for joint consultations with the Bioinformatics Core staff; complete analysis packages including sequencing and bioinformatics (e.g. differential gene expression, variant calling) are also available.
Our services Include:
- Illumina HiSeq 4000, MiSeq, and NextSeq sequencing: all run types
- DNA sequencing (whole-genome shotgun, targeted, amplicon, exome, ChIP, reduced-representation, custom)
- RNA sequencing (mRNA, total RNA, miRNA, smallRNA, 3′ Tag-Seq, custom)
- Methyl-Seq: WGBS (Whole Genome Bisulfite Seq) and RRBS (Reduced Representation Bisulfite Seq)
- PacBio RSII and PacBio Sequel sequencing (whole-genome shotgun long-read, amplicon, and RNA-sequencing)
- Nanopore sequencing on the ONT PromethION
- Gene Expression Profiling via 3′ Tag-Seq — including Differential Gene Expression (DGE) data analysis
- Fluidigm EP1 Genotyping
- Illumina Infinium II Genotyping
- 10X Genomics Chromium Genome Linked-Read-Sequencing
- 10X Genomics Chromium Single-Cell Expression Profiling
- Fluidigm Access Array targeted multiplexed amplifications
- High-Molecular-Weight DNA isolations
- PacBio long insert DNA sequencing and Iso-Seq RNA sequencing library preparations
- Illumina sequencing library preps, including:
- Genomic DNA library preps
- RNA-Seq library preps (poly-A enrichment or ribo-depletion)
- High-Throughput (HT) library preps (DNA or RNA; starting from 24 libraries)
- miRNA-Seq library preps
- Methyl-seq: WGBS (Whole Genome Bisulfite Seq) and RRBS (Reduced Representation Bisulfite Seq)
- Reduced representation library preps (e.g., genotyping by sequencing)
- Mate Pair library preps
- Library preps from ChIP samples
- Nanopore sequencing library preps
- Library pooling
- Nucleic acid QC (from single samples to 96-well plates)
- Nucleic acid and library quantification
- Blue Pippin nucleic acid size selection
Our Shared Equipment includes:
- Bioanalyzer – microcapillary nucleic acid fragment analysis for sample and library QC
- Caliper LabChip GX – a “high-throughput bioanalyzer” (1-384 samples)
- Caliper Sciclone G3 – liquid handler robot for high-throughput library preps (up to 96 samples at a time)
- Covaris E220 – high-throughput sonicator (1-96 samples)
- Diagenode Bioruptor sonicator
- Diagenode Megaruptor – long insert size DNA shearing for PacBio library preps
- BluePippin – 50 bp to 50 Kb DNA automated size selection
- Fluidigm Access Array – target amplification for sequencing-ready library prep
- Fluidigm C1 Single Cell Auto Prep – single cell transcriptome analysis and whole genome analyses
- FilterMax F5 Plate Reader – DNA/RNA quantification
- Nanodrop – microvolume DNA/RNA quantification
The Shared Equipment page explains how to get trained.
Acknowledging Our Services
Please support us by acknowledging our services in your publications. We have received NIH funding for the purchase of some of our instruments and this support should be mentioned. Please add a sentence like this to your acknowledgments: “The sequencing was carried by the DNA Technologies and Expression Analysis Cores at the UC Davis Genome Center, supported by NIH Shared Instrumentation Grant 1S10OD010786-01.” Acknowledgments such as this constitute a big support for future NIH instrumentation grant applications. Please also see our FAQs.
Supporting Your Grant Applications
We support the generation of proof-of-principle data by providing seed grants (please see below) and by offering free-of-charge consultations. We will gladly provide letters of support for your grant application. Please also see our Instrument List.
The Genome Center invites proposals for pilot projects that merit support by the Genome Center. These seed grants award up to $2000 per project to spend at any of the Cores; it is also possible to apply for grants at multiple Cores. The Genome Center seed grants are available all year round. They are meant to either introduce UC Davis labs to high-throughput sequencing or genotyping methods, or to help establish new methods. Please see: http://dnatech.genomecenter.ucdavis.edu/2014/07/31/2015-genome-center-cores-pilot-grant-program/. A seed grant application should be about one page long and include 1) an outline of the project including the planned data analysis, 2) a sentence on how the project would fit in with the goals of the Genome Center seed grants, 3) a listing of the specific services to be provided by our Core, and 4) a budget (including an account number in case the costs exceed the grant amount).
Associated Services By Collaborating Cores
- Bioinformatics: The Bioinformatics Core will help you with the analysis of all data generated by our Cores as well as with the statistical interpretation. We highly recommend joint consultations with us and the Bioinformatics Core staff while planning your research project.
- DNA and RNA sample isolation services can be arranged through the Taqman Core.
- 16S Sequencing: We sequence 16S libraries daily. The vast majority of these are customer prepared samples. We do not generate 16S libraries ourselves because UC Davis has a facility specializing in 16S analysis: The Host Microbe Biology Systems Core (HSMBC; also located in our building). The HSMBC offers a complete service ranging from DNA isolation, 16S amplification, sequencing (carried out by the DNA Tech Core), to data analysis. You can certainly also pick selected parts of their service that you would require. Please contact the HSMBC manager for details.
- Tilling By Sequencing: The TILLING Core carries out high-throughput mutation screening for rice, wheat, Arabidopsis, and tomato populations.
- Yeast One Hybrid screening: The Yeast One Hybrid Core offers a screening service between promoters and collections of Arabidopsis or maize transcription factors.
- Bionano Irys Whole Genome Mapping: The Luo Lab at UC Davis offers whole genome mapping services using the Bionano optical mapping technology. This is of special value if the genome assembly for your organism of interest is already of high quality. Please inquire with Ming-Cheng Luo.
- Sanger Sequencing: The DNA Sequencing Facility will help you help you with all Sanger sequencing projects.
- Cancer Genomics: The Genomics Shared Resource on the Sacramento campus provides general genomics support and custom services for cancer studies.
- Flow Cytometry & Flow Sorting: We work with the Flow Cytometry Core to enable single-cell expression profiling from selected cell populations.
The DNA Technologies and Expression Analysis Cores are a UC Davis Campus Research Core Facility. Please subscribe to our newsletter and Follow @DNATech_Lutz and UC Davis Cores on Twitter. Follow @DavisCores