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Biology of Genomes

April 18, 2017

Marco Cosentino-Lagomarsino and Gilles Fischer collaborated with Gianni Liti’s team to generatate end-to-end genome assemblies for 12 yeast genomes based on long-read sequencing. These population-level high-quality genomes with comprehensive annotation enable the first explicit definition of chromosomal boundaries between core and subtelomeric regions as well as a precise quantification of their relative evolutionary rates of genome dynamics.

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September 15, 2016

The LCQB laboratory is in the CNRS Journal for his project MetaSUB Paris.

To the Article (Journal du CNRS)
To the Article (CNRSNews) 

July 20, 2016

Reviens Avec Tes Prélèvements et analyse les Big Data avec nous

MetaSUB Paris : Cartographier la Diversité Microbienne du Métro Parisien. An article by Marie Pinhas (UPMC) in french to explain the involvement of the lab in the MetaSUB project. 

June 21, 2016

On June 21, 2016, LCQB was the Paris Hub for the Global City Sampling Day, an international study of antimicrobial resistance spanning six continents, 32 countries and 54 cities. This event brings together more than 400 people, expected to collect about 12.000 samples of DNA, RNA and microbes from surfaces in well-traveled public meeting spaces. The data will help scientists of the MetaSub Global consortium better understand antimicrobial resistance in urban centers, and also identify new, naturally occurring drugs made by microbes, known as biosynthetic gene clusters. UPMC students in Computer Science and Molecular Biology, together with researchers collected more 80 samples at the entrance of parisian subway stations. The Paris event was organised by Hugues Richard (Analytical Genomics) and Ingrid Lafontaine (Biology of Genomes).

More information on the project:

April 13, 2016

We achieved the complete reconstruction of genome history in a model yeast genus, providing a granular view of genome evolution linking gene content, chromosome rearrangements and protein divergence into a single evolutionary framework.

N Vakirlis, Sarilar V, G Drillon, A Fleiss, N Agier, J-P Meyniel, L Blanpain, A Carbone, H Devillers, K Dubois, A Gillet-Markowska, S Graziani, Nguyen H-V, M Poirel, C Reisser, J Schott, J Schacherer, I Lafontaine, B Llorente, C Neuvéglise and Fischer G. Reconstruction of ancestral chromosome architecture and gene repertoire reveals principles of genome evolution in a model yeast genus. Genome Research (2016).

June 1, 2015

Ingrid Lafontaine (Biology of Genomes team) and Jean-Pierre Bouly (Diatom Genomics team), organize the symposium "Comunication between genomes"

Registration is now open

December 1, 2014

A. Gillet-Markowska, H. Richard, G. Fischer & I. Lafontaine just published a new tool - Ulysses - providing an accurate detection of low-frequency structural variations in large insert-size sequencing libraries. Ulysses is a valuable tool for the characterization of somatic mosaicism in human tissues and in cancer genomes.
Ulysses: accurate detection of low-frequency structural variations in large insert-size sequencing libraries
Bioinformatics 2014; doi: 10.1093/bioinformatics/btu730

November 10, 2014

The "Biology of Genomes" team and the "Intraspecific Variation and Genome Evolution" team from the Université de Strasbourg have published the first population genomics survey in a yeast different form a Saccharomyces species. This study reveals that consequently to a large-scale introgression event, two different mutational regimes can coexist within the same genome.

March 28, 2014

The Biology of Genomes team participated to the complete design and synthesis of the first eukaryotic synthetic chromosome. We compared replication dynamics of synthetic and native chromosome III and saw few dramatic changes in spite of several autonomously replicating sequences having been deleted.

Total Synthesis of a Functional Designer Eukaryotic Chromosome. Annaluru, Muller et al., Science (2014) DOI:10.1126/science.1249252


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