Correction to: The ISME Journal (2014) 8, 1370–1380; doi:10.1038/ismej.2013.250; published online 16 January 2014

Since the publication of this article, it has come to the authors’ attention that the study accession number deposited in the Sequence Read Archive was omitted from the article. The study accession number is ERP002102.

The Authors would like to apologise for any inconvenience this may have caused.