Ectocarpus siliculosusTaxonomy: Eukaryota; stramenopiles; PX clade; Phaeophyceae; Ectocarpales; Ectocarpaceae; Ectocarpus
IntroductionThe brown algae are of interest for a number of reasons ranging from their economic importance as a biological resource to their phylogenetic position within the eukaryotes. Particular points of interest, for example, include the independent evolution of complex multicellularity within this lineage, the secondary endosymbiosis event that produced chloroplasts and the production of unique biomolecules.In a recent study, the algal Genetics group in Roscoff (France) proposed Ectocarpus siliculosus as a model organism for the application of genetic and genomic approaches to the brown algae (Peters et al., J. Phycol. 2004). This proposition was based on several features of Ectocarpus including :
Ectocarpus Genome ProjectIn June 2004 an international consortium of 34 laboratories, coordinated in Roscoff, submitted a whole genome sequencing project to the French sequencing centre Genoscope. The project was accepted in September 2004 and sequencing of a 10x coverage of the 214 Mbp genome is currently in progress. The project will also include 150,000 reads on cDNA libraries constructed from mRNA corresponding to a range of developmental stages and treatments. Our involvementThe annotation of the Ectocarpus genome will be done in our group in collaboration with the other members of the Ectocarpus consortium. To produce automated annotations we will adapt the EuGene system to the specificities of the Ectocarpus genome in order to produce a high quality annotation. Full exploitation of the genome sequence will require the establishment of a strong bioinformatics and biological infrastructure and this process has been initiated within the context of the Ectocarpus Genome Consortium. To communicate the annotations to the consortium a bioinformatics portal will be installed to facilitate the expert manual annotations and to offer a variety of bioinformatics tools and services for the functional analysis of the Ectocarpus genome.In collaboration with:Publications
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