(8) Head-size variants (Fig. S40) , notably in phages with prolate heads www.landesbioscience.com Bacteriophage producing particles with short or isometric capsids. (9) Broken tails, suggesting the presence of podoviruses or isometric phages instead of sipho-or myo-viruses. 22 (10) Virus-like particles (Figs. S41 and S43) and true, but deformed phages (Fig. S44) .