Figure 1
From: Thiotrophic bacterial symbiont induces polyphenism in giant ciliate host Zoothamnium niveum
SEM micrographs of swarmers kept in oxic seawater for less than 4 h, and detail (a,b) between 4 h and 24 h old, fully covered with symbionts (c,d), partially covered with symbionts (e,f), with very few symbionts only, considered aposymbiotic (g,h) and between 24 h and 48 h old (i,j).
