Scientific Reports 4, Article number: 6389 10.1038/srep06389 (2014); Published: September172014; Updated: February112015
Martha E. Trujillo was omitted from the author list in the original version of this Article. This has been corrected in the PDF and HTML versions of the Article.
The Author Contributions section now reads:
Conceived and designed the experiments: P.M.-H., E.M.-M., J.M.I. Performed the experiments: P.M.-H. Analyzed the data: P.G.-V. Analyzed the BOX profiles and rrs genes: M.E.T. Wrote the paper: P.M.-H., E.M.-M., J.M.I.