A Preliminary Study of the Microbial Resources and Their Biological Activities of the East China Sea

Table 3

Strains with strongest cytotoxic activities of the 395 strains.

Strain no.	Genus	Sensitive tumor strain	Inhibitory ratio
F321121	Halomonas	SMMC 7721	17.6%
P12002	Sulfitobacter	HeLa, MCF	35%, 12%
F81612	Bacillus	HeLa, SW1990	39%, 9.3%
F81611	Bacillus	HeLa	29.1%
P3001	Vibrio	HepG2	28%
P3002	Rheinheimera	HepG2, MCF	27%
P16006A	Kocuria	HepG2	29%
P16006B	Idiomarina	HepG2	32%
P16001	Halomonas	HeLa, MCF	18.4%, 20.4%
P4003B	Sulfitobacter	HepG2, P388	31%, 7.9%
P12006A2	Sulfitobacter	HepG2	31%
P4006B	Marinobacter	HepG2, P388	42%, 13%
MZ0206A2	Bacillus	SMMC7721, S180	11%, 19%
MZ0208A2	Bacillus	SMMC 7721	21%
P16003	Kocuria	HepG2	23%
P4004B	Idiomarina	HepG2	31%
P12002	Idiomarina	HepG2	28.7%
P12012B	Sulfitobacter	HepG2, SW1990	14.9%, 17%
P12004D	Sulfitobacter	HepG2, S180	16.7%, 23%

All the cultured broths of the strains were tested at a fixed concentration 500 μg/mL. Each experiment was repeated 3 times, and the inhibitory ratio was the average of the 3 results.