Revision of Workshop: Genotyping-by-Sequencing (GBS) from Thu, 2015-07-16 08:31

BeBoL workshop: Genotyping-by-Sequencing (GBS), a cost-effective approach to High-Throughput Sequencing

Date: 15-17 September 2015, Brussels.

Venue:  Royal Belgian Institute of Natural Sciences, Vautierstraat 29, 1000 Brussels, Belgium.

Expected backgorund of the participant:  basic knowledge of R, and some familiarity with NGS data. Familiarity with basic Linux commands is helpful, but not required.

Registration: free but mandatory. The workshop is limited to 25 participants. Send an email to Gontran . sonet “at” naturalsciences.be

Instructors:

Dr. Jeff GLAUBITZ, Buckler Lab for Maize Genetics and Diversity, Cornell University (http://www.maizegenetics.net/#!jeff-glaubitz/cxmy)
Dr. Peter James BRADBURY, Buckler Lab for Maize Genetics and Diversity, Cornell University (http://www.maizegenetics.net/#!peter-bradbury/c16k4)
Dr. Deniz AKDEMIR, Cornell Center for Comparative and Population Genomics, Cornell University (http://vivo.cornell.edu/display/da346)

Program at a glance (see below for the detailed program):

15 Sept. 2015: Genotype-by-sequencing (GBS) using the TASSEL software
16 Sept. 2015: Genome-wide association study (GWAS)
17 Sept. 2015: Genome prediction of quantitative traits

This workshop is organized and supported by the Belgian Network for DNA Barcoding, BeBoL (FWO).

                

Full program:

TASSEL 5 Overview  (Tues Sept 15 – Jeff, Peter – 50 min AM)

  • What TASSEL does
  • Graphical vs. Command Line Interface
  • Resources for TASSEL Users: Tassel web pages; Tassel Google Group
  • Obtaining, Installing, Updating TASSEL 5

TASSEL-GBS  (Tues Sept 15)

  • GBS assay background (Jeff – 50 min AM)
  • GBSv2 pipeline explanation (Jeff – 50 min AM)
  • Hands on GBSv2 Exercise (Jeff – 50 min PM)
  • Filtering GBS SNPs and Taxa (Jeff  – 20 min PM)
  • Imputing GBS SNPs (Peter – 90 min PM): FSFHapMap; FILLIN; LD KNNi; Projection of high density, whole genome SNPs; Beagle and other software.

Analysis of Genotypes  (Wed Sept 16 – Jeff, Peter – 50 min AM)

  • Geno Summary
  • Diversity & LD
  • Distance Matrix & Cladogram
  • Kinship & PCA

GWAS & genome prediction of quantitative traits (Wed Sept 16 – Peter – 120 min AM)

  • GLM
  • MLM
  • Stepwise
  • Fast Association for eQTL data
  • Genome selection (GS) or genome prediction of quantitative traits

The Big Picture  (Wed Sept 16 – Peter, Jeff – 50 min PM)

  • Limitations of TASSEL
  • Applications/use cases of  TASSEL/GBS/GWAS/GS
  • Experimental Design considerations for GBS/GWAS/GS studies

Resources for prospective TASSEL programmers (Wed Sept 16 – Jeff – 20 min PM)

  • TASSEL Hackathon
  • How can I obtain/modify/contribute to the TASSEL Source code?
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith