Yang Yang, Yun Liu, Mingxu Zhou and Guoqiang Zhu, 2018. Both Quorum Sensing (Qs)–I and Ii Systems Regulate Escherichia coli Flagellin Expression. Pakistan J. Zool., 50: 1807-1813. DOI: http://dx.doi.org/10.17582/journal.pjz/2018.50.5.1807.1813