1. Complex trait analysis beyond QTL mapping www.webqtl.org webqtl.org

2. WebQTL Analysis

3. WebQTL Components WebQTL pages (Python)
Phenotype & Genotype data (MySQL)
QTL mapping & Correlation (C)

4. Search BXD trait data

5. Search results

6. Analysis selection window

7. Genome-wide QTL mapping

8. Analysis selection window

9. Correlation search results

10. Multiple probe choice

11. Mutiple probe: single chromosome

12. Tutorial

13. Choice is good
Stein, L (2002) Creating a bioinformatics nation. Nature 417,

14. cmd=get&probeset=101741_at&db=1&probe=all&format=col
Trait data retrieval
cmd=get&probeset=101741_at&db=1&probe=all&format=col

15. Trait data formatted in rows
cmd=get&probeset=101741_at&db=1&probe=all&format=row

16. Genotype data in columns
cmd=geno&riset=BXD&chr=1&format=col

17. Single marker QTL mapping
cmd=map&probeset=99856_r_at&db=1&sort=lrs&return=20

18. Peak LRS from interval mapping
cmd=interval&probeset=99856_r_at&db=1&sort=pos&return=10

19. Scripted mapping and data retrieval

20. What WebQTL is not Detail
P-value plot of every 10th from 195,327 values
Detail

21. Acknowledgements Genotype/Genomic data Lu Lu Jing Gu
Shuhua Qi
John Hogenesch
Timothy Wiltshire
Yanhua Qu
Brain expression data
Siming Shou
John Mountz
HuiChen Su
David Threadgill
HSC expression data
Gerald de Haan
Michael Cooke
Leonid Bystrykh
Ellen Weersing
Bert Dontje
Andrew Su
Cerebellum expression data
UTHSC-St Jude Cerebellum Consortium
Vision and Motivation
Robert W Williams
Web site design & coding
Jintao Wang
Kenneth F Manly
Alex G Williams
Published phenotype data
Elissa S Chesler
John C Crabbe
John K Belknap
Byron Jones
Ryan McNieve
Nathan Copeland