Antibiotics

It is produced by the strain of Streptomyces sp. GW71/2497. Resomycin C showed activity of anti-staphylococcus aureus, Escherichia coli and Streptomyces green, with MIC of about 20 μg/mL.

It is originally isolated from Str. platensis MJ953-SF5. It has a strong herbicide effect, especially on the seeds of dicotyledonous plants. Resormycin also has anti-fungal action, resisting some plant pathogenic fungi, but not resisting bacteria and yeast.

Resorcinomycin B is originally isolated from Streptoverticillum roseoverticillatum.

It is produced by the strain of Str. collinus 45H6 and it can inhibit L5178Y of leukemia cells in vitro.

Respinomycin A1 is produced by the strain of Str. xanthocidicus RK-483 and it causes the differentiation of leukemic K-562 cells.

Respinomycin A2 is produced by the strain of Str. xanthocidicus RK-483 and it causes the differentiation of leukemic K-562 cells.

It is originally isolated from Act. sp. Reumycin is toxic to Airy carcinoma, sarcoma-180, sarcoma-37, lymphosarcoma and other tumor cells.

It is produced by the strain of Str. sp. ME505-HE1. Rhodirubin A has a strong anti-gram-positive bacteria effect, and also has an effect on Mycobacterium. It can also prolong the survival time of mice inoculated with leukemia L-1210.

It is produced by the strain of Str. sp. ME505-HE1. Rhodirubin B has a strong anti-gram-positive bacteria effect, and also has an effect on Mycobacterium. It can also prolong the survival time of mice inoculated with leukemia L-1210.

Rhodomycin A is originally isolated from Str. purpurascens 340. It has the activity of anti-gram-positive bacteria and weak effect on anti-gram-negative bacteria and fungi.

Rhodomycin B is originally isolated from Str. purpurascens 340. It has the activity of anti-gram-positive bacteria and weak effect on anti-gram-negative bacteria and fungi.

Rifamycin L is produced by the strain of Amycolatopsis mediterranei ME/83. It has the antibacterial action of rifamycin.

Rifamycin W is originally isolated from Amycolatopsis mediterranei ME/83. It has anti-gram-positive bacterial activity.

It is originally isolated from Str. rimosus and it has antifungal and protozoan effects.

It is produced by the strain of Actinomyces roseoviolaceus A529. It has anti-gram-positive bacteria and mycobacterium effect, and Roseorubicin A has stronger antibacterial effect than B. It also inhibits leukaemia L1210 with IC50 of 0.04 μg/mL.

It is produced by the strain of Actinomyces roseoviolaceus A529. It has anti-gram-positive bacteria and mycobacterium effect, and Roseorubicin A has stronger antibacterial effect than B. It also inhibits leukaemia L1210 with IC50 of 0.06 μg/mL.

It is originally isolated from Actinomadura soseoviolacea var. biwakoensis. Rubeomycin A has the effect of anti-gram-positive bacteria, but not anti-gram-negative bacteria and fungi. It has also been shown to inhibit Yoshida sarcoma cells and leukemia P388 cells.

It is originally isolated from Actinomadura soseoviolacea var. biwakoensis. Rubeomycin A has the effect of anti-gram-positive bacteria, but not anti-gram-negative bacteria and fungi. The inhibition of A1 of Yoshida sarcoma cells was 10 times higher than that of other components.

Rubiginone D2 is an antibiotic originally isolated from Streptomyces sp. Go N1/5. It has the activity of inhibiting tumor cells.

Rubradirin B is produced by the strain of Str. achromogenes var. rubradiris. It has the effect of anti-gram-positive bacteria.