Waite, D.W., Vanwonterghem, I., Rinke, C., Parks, D.H., Zhang, Y., Takai, K., Sievert, S.M., Simon, J., Campbell, B.J., Hanson, T.E., Woyke, T., Klotz, M.G. and Hugenholtz, P. (2018). Frontiers in Microbiology. 9:772. doi: 10.3389/fmicb.2018.00772 (LINK)