However, the bacteriophage name reveals its useful purpose: It is a bacteria eater that can infect ... with each bead about 20 microns in diameter. For comparison, a human hair is about 70 microns ...
Inset: An OCTIN crystal from Phycomyces blakesleeanus; the crystal is about 5 microns across, dwarfing typical bacteria (1-2 microns in length) from which the OCTIN gene is likely to have been ...