Correction: Bacterial recognition by PGRP-SA and downstream signalling by Toll/DIF sustain commensal gut bacteria in Drosophila.
Bahuguna S., Atilano M., Glittenberg M., Lee D., Arora S., Wang L., Zhou J., Redhai S., Boutros M., Ligoxygakis P.
[This corrects the article DOI: 10.1371/journal.pgen.1009992.].