Soo RM, Woodcroft BJ, Parks DH, Tyson GW, Hugenholtz P. (2015) Back from the dead; the curious tale of the predatory cyanobacterium Vampirovibrio chlorellavorus. PeerJ 3:e968 https://doi.org/10.7717/peerj.968
Di Rienzi, SC; Sharon, I; Wrighton, KC; Koren, O; Hug, LA; Thomas, BC; Goodrich, JK; Bell, JT; Spector, TD; Banfield, JF; Ley, RE (2013). "The human gut and groundwater harbor non-photosynthetic bacteria belonging to a new candidate phylum sibling to Cyanobacteria". eLife. 2: e01102. doi:10.7554/eLife.01102. PMC 3787301. PMID 24137540.