New datastructure and applications for kmer indexing

Paper submited: http://arxiv.org/abs/1605.08319

Indexing billions kmers with frugal computation time and memory fingerprint + applications examples

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HDR – thesis habilitation

I defended my thesis habilitation on january 25, 2016.

The jury was:

  • Hélène Touzet –Reviewer –Research Director, Inria Lille
  • Sophie Schbath – Reviewer –Research Director, INRA, Jouy-en-Josas
  • Gunnar Klau – Reviewer – Professor, CWI Amsterdam
  • Alain Viari – Inria Lyon – Research Director
  • Philippe Vandenkoornhuyse – Professor Rennes1 university
  • Guillaume Blin – Professor, Bordeaux university

Documents (french)

Slides (english)

Video (french)

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Habilitation à diriger les recherches.

Je soutiens publiquement mon HDR le lundi 25 janvier.

C’est à l’IRISA/Inria, en salle Métivier à 14h.

Soyez les bienvenus.

 

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DiscoSnp++2.2.0 released

A new discoSnp++ release is available. http://colibread.inria.fr/software/discosnp/

Existing features in a few words

  • Detect SNPs and indels from raw read set(s), without the need of a reference genome.
  • Provides genotyping and ranking
  • Generates a fasta file of variant predictions containing a micro-assembly of the variant left and rigth neighbors
  • Generates a VCF of predicted variants
    • Without a reference: no informative prediction locus
    • Providing a reference sequence: map predictions. The VCF contains mapping information (locus, multiple matches, …)
  • Fast, low memory footprint, easy to use.

New features

  • New input format (using file of files)
    • Easier to deal with paired datasets
    • Easier to simulate file concatenation
  • The reference can also be used for calling predictions (not only for mapping them)
  • The coverage thresholds can be
    • set separately for each read set
    • and/or automatically detected for each set

Any comment / remark positive or not is still warmly welcome on the biostar forum

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Galaxy Docker repository for metagenomics

Björn Grüning developped a  Galaxy Docker repository for metagenomics including commethttps://github.com/bgruening/galaxy-metagenomics

url

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B-GREAT: map short reads on de-bruijn graph

First formal proposal analysing the problem of mapping short reads on a de Bruijn graph: complexity analysis, heuristic algorithm and test results here:

http://arxiv.org/abs/1505.04911

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DiscoSnp++ now genotypes results and provides a VCF file

From version 2.1.2, discoSnp++ includes several new features as the usage of paired reads, the creation of a genotype or the production of a VCF with or without the use of a reference genome.

Info and downloads : discoSnp++ page

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DiscoSnp becomes DiscoSnp++. Detect SNPs and more

Information and download: DiscoSnp++ page

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Paper discoSnp published in NAR

The discoSnp paper will soon be published in Nucleic Acid Research. PDF proofs are already available from the discoSnp home page. discoSnp

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Paper commet accepted to bibm 2014

We’re happy to announce that commet will soon be presented at the bibm 2014 conference.

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