Atlas of an organism

While every cell of an organism contains the same genes only a proportion are expressed in any tissue at a given stage in development. Knowing the extent of gene transcription is valuable and a team of European researchers has generated an atlas of gene expression for the developing mouse embryo. This will be a powerful resource to determine co-expression of genes and to identify functional associations between genes relevant to development and disease. The findings will be published next week in the online, open access journal PLoS Biology.

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