In 2008, the platform "GenoSol" ( http://www.dijon.inra.fr/plateforme_genosol ) was created at the INRA (French National Institute for Agronomic Research) of Dijon. This platform was launched by several soil microbial ecologist senior scientists to provide a logistics and technical structure dedicated to the acquisition, conservation, characterization, and supply of genetic resources (DNA) of soils from very large-scale samplings (several hundred to several thousand corresponding to large spatial and/or temporal scales). Thanks to this structure metagenomic analysis of soil microbial communities has been standardized as well as a reliable reference system for analysis of the microbial genetic resources of the collected soils (more than 10,000 soil samples to date). This platform also illustrates the usefulness of existing soil archives in providing a readily available source of ecological information that is relevant to microbial ecology, probably more than we can currently fathom.
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