FIG. 1.
Experimental setup: Sphingobium sp. strain Z007 as the control and Sphingobium sp. strain Z007 and Poterioochromonas sp. strain DS in direct-contact experiments (first panel), after centrifugation and freezing in supernatant experiments (second panel), after the first separation step on a C18 cartridge (third panel), and after further separation step on an HPLC C18 ODS-A reverse-phase column (fourth panel). Fr, fraction.