Ensembl training materials are protected by a CC BY ... · 6th April Introduction to Ensembl Helen...
Transcript of Ensembl training materials are protected by a CC BY ... · 6th April Introduction to Ensembl Helen...
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Training materials
• Ensembl training materials are protected by a CC BY license • http://creativecommons.org/licenses/by/4.0/• If you wish to re-use these materials, please credit Ensembl for
their creation• If you use Ensembl for your work, please cite our papers • http://www.ensembl.org/info/about/publications.html
![Page 2: Ensembl training materials are protected by a CC BY ... · 6th April Introduction to Ensembl Helen Sparrow 13th April Ensembl genes Emily Perry 20th April Data export with BioMart](https://reader036.fdocuments.net/reader036/viewer/2022070814/5f0daf867e708231d43b9441/html5/thumbnails/2.jpg)
Ben Moore
Ensembl Outreach Officer
EMBL-EBI
Browsing Genes and Genomes with Ensembl
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Objectives
• What is Ensembl?
• What type of data can you get in Ensembl?
• How to navigate the Ensembl browser website.
• How to use Ensembl tools
• Where to go for help and documentation.
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This webinar course
Date Webinar topic Instructor
6th April Introduction to Ensembl Helen Sparrow
13th April Ensembl genes Emily Perry
20th April Data export with BioMart Victoria Newman
27th April Variation data in Ensembl and the Ensembl VEP Victoria Newman
4th May Comparing genes and genomes with Ensembl Compara Ben Moore
11th May Finding features that regulate genes – the Ensembl Regulatory Build
Ben Moore
18th May Uploading your data to Ensembl and advanced ways to access Ensembl data
Emily Perry
All webinars begin at 9am BST
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Structure
Presentation:What the data/tool isHow we produce/process the data
Demo:Getting the data
Using the tool
Exercises:On the train online course
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Questions?
• Ask questions in the Chat box in the webinar interface
• My Ensembl colleagues will respond during
• There’s no threading so please respond with @username
Emily Perry Victoria Newman
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Course exerciseshttp://www.ebi.ac.uk/training/online/course/ensembl-browser-w
ebinar-series-2016
This text will be replaced by a YouTube (link to YouKu too) video of this webinar
and a pdf of the slides
The “next page”is the exercises for this
module
A link to exercises and their solutions are in the page hierarchy
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Get help with the exercises
• Use the exercise solutions in the online course
• Join our Facebook group and discuss the exercises with everybody (see the online course for the link)
• Email us: [email protected]
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EBI is an Outstation of the European Molecular Biology Laboratory.
Comparative Genomics
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Overview of the talk
- Comparative genomics: applications and species- Gene trees- Homology predictions- Whole genome alignments
- pairwise - multiple
- Shared synteny
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Applications of Comparative Genomics
Comparative genomics allows us to understand:
- vertebrate evolution
- differences between species at the genome level
- gene function based on homology
- the distribution of highly conserved regions
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Comparative analysis by taxa
Ensembl Compara
Ensembl Metazoa Compara
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Pan-taxonomic compara
http://www.ebi.ac.uk/~emily/Workshopshttp://ensemblgenomes.org/info/genomes?pan_compara=1
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Pan-taxonomic compara
Ensembl Metazoa Compara
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Gene trees
- Based on protein alignments - Representative protein of
each Ensembl gene - Clustering, Blast, multiple
alignments- Reconciliation with species
tree - Orthologue/Paralogue
inference
http://www.ensembl.org/info/docs/compara/homology_method.html
Orthologues and Paralogues
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Homology relationships
SpeciationDuplication
c1 h1 c2 h2
ParaloguesGenes emerged through a duplication eventegc1 and c2h1 and h2
OrthologuesGenes emerged
through a speciation event
egc1 and h1h2 and mc2 and m
m
One-to-one One-to-many
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Hands on
- We’re going to look at a gene BRCA2 to find homologues.
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Whole genome alignments
- To identify highly conserved regions- sequences that evolve slowly- regions likely to be functional- both coding and non-coding sequences
- To spot trouble gene predictions
- To define syntenic regions
- Types: pairwise versus multiple
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Alignments
- Pairwise alignments with BLASTZ (older) LASTZ-net (newer)
- EPO (Enredo-Pecan-Ortheus) analysis- For selected sets (11 fish, 7 sauropsids, 40 eutherian, 8
primates)
- Mercator-Pecan analysis- For 24 amniota vertebrates (mammals+birds)
http://www.ensembl.org/info/genome/compara/analyses.html#pecan
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Shared synteny
http://www.ensembl.org/info/docs/compara/analyses.html
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Hands on
- We will look at a human genomic region 2:176087000-176202000 which contains the HoxD cluster to find alignments and conservation regions.
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This webinar courseDate Webinar topic Instructor
6th April Introduction to Ensembl Helen Sparrow
13th April Ensembl genes Emily Perry
20th April Data export with BioMart Victoria Newman
27th April Variation data in Ensembl and the Ensembl VEP Victoria Newman
4th May Comparing genes and genomes with Ensembl Compara Ben Moore
11th May Finding features that regulate genes – the Ensembl Regulatory Build Ben Moore
18th May Uploading your data to Ensembl and advanced ways to access
Ensembl data
Emily Perry
![Page 23: Ensembl training materials are protected by a CC BY ... · 6th April Introduction to Ensembl Helen Sparrow 13th April Ensembl genes Emily Perry 20th April Data export with BioMart](https://reader036.fdocuments.net/reader036/viewer/2022070814/5f0daf867e708231d43b9441/html5/thumbnails/23.jpg)
Course exercises
http://www.ebi.ac.uk/training/online/course/ensembl-browser-webinar-series-2016
This text will be replaced by a YouTube (link to YouKu too) video of the webinar
and a pdf of the slides.
The “next page” will be the exercises
A link to exercises and their solutions will appear in the page
hierarchy
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Get help with the exercises
• Use the exercise solutions in the online course
• Join our Facebook group and discuss the exercises with everybody (see the online course for the link)
• Email us: [email protected]
![Page 25: Ensembl training materials are protected by a CC BY ... · 6th April Introduction to Ensembl Helen Sparrow 13th April Ensembl genes Emily Perry 20th April Data export with BioMart](https://reader036.fdocuments.net/reader036/viewer/2022070814/5f0daf867e708231d43b9441/html5/thumbnails/25.jpg)
Help and documentationCourse online http://www.ebi.ac.uk/training/online/subjects/11
Tutorials www.ensembl.org/info/website/tutorials
Flash animations
www.youtube.com/user/EnsemblHelpdesk
http://u.youku.com/Ensemblhelpdesk
Email us [email protected]
Ensembl public mailing lists [email protected], [email protected]
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Follow us
www.facebook.com/Ensembl.org
@Ensembl
www.ensembl.info
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Publications
Aken, BL. et al
Ensembl 2017
Nucleic Acids Research
http://europepmc.org/articles/PMC5210575
Xosé M. Fernández-Suárez and Michael K. SchusterUsing the Ensembl Genome Server to Browse Genomic Sequence Data.Current Protocols in Bioinformatics 1.15.1-1.15.48 (2010)www.ncbi.nlm.nih.gov/pubmed/20521244
Giulietta M Spudich and Xosé M Fernández-SuárezTouring Ensembl: A practical guide to genome browsingBMC Genomics 11:295 (2010)www.biomedcentral.com/1471-2164/11/295
Javier Herrero et al
Ensembl Comparative Genomics Resources
Database (Oxford) 2016: bav096
https://academic.oup.com/database/article-lookup/doi/10.1093/database/bav096
http://www.ensembl.org/info/about/publications.html
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Ensembl 2017
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Ensembl Acknowledgements
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Training materials
• Ensembl training materials are protected by a CC BY license • http://creativecommons.org/licenses/by/4.0/• If you wish to re-use these materials, please credit Ensembl for
their creation• If you use Ensembl for your work, please cite our papers • http://www.ensembl.org/info/about/publications.html