(e) The growth of the four auxotrophic strains on MM medium supplied with different nutrients

Supplied nutrients in MM medium	J7-2-1	J7-2-22	J7-2-26	J7-2-52
MM medium	Na	N	N	N
MGM medium	Yb	Y	Y	Y
Group ALL	Y	Y	Y	Y
Group 1	Y	Y	Y	Y
Group 25	N	N	N	N
Group 36	N	N	N	N
Group A	Y	N	N	N
Group B	N	Y	Y	Y
Group F	N	Y	N	Y
Group H	Y	N	Y	N
Group I	N	Ic	N	N
18	Y	N	N	N
19	N	N	Y	N
21	N	Y	N	Y
Other nutrients	N	N	N	N

^aN: the growth of the auxotrophs was not detected. ^bY: the growth of the auxotrophs was detected. ^cI: an inhibition zone was detected.