Anthracycline antibiotic 2-hydroxyaclacinomycins. I. 2-Hydroxyaclacinomycin-producing recombinant obtained from aclacinomycin-blocked mutants of Streptomyces galilaeus by a technique of protoplast fusion. 1991

A Yoshimoto, and O Johdo, and T Ishikura, and T Takeuchi
Central Research Laboratories, Mercian Corporation, Kanagawa, Japan.

The technique of protoplast fusion which optimized prototrophic recombination in aclacinomycin-producing Streptomyces galilaeus was studied and applied to the construction of new anthracycline analog-producing recombinant upon genetic cross of two specific mutants blocked in aclacinomycin biosynthesis. Thus, 2-hydroxyaclacinomycin-producing recombinant was obtained by the protoplast fusion.

UI MeSH Term Description Entries
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D011995 Recombination, Genetic Production of new arrangements of DNA by various mechanisms such as assortment and segregation, CROSSING OVER; GENE CONVERSION; GENETIC TRANSFORMATION; GENETIC CONJUGATION; GENETIC TRANSDUCTION; or mixed infection of viruses. Genetic Recombination,Recombination,Genetic Recombinations,Recombinations,Recombinations, Genetic
D000903 Antibiotics, Antineoplastic Chemical substances, produced by microorganisms, inhibiting or preventing the proliferation of neoplasms. Antineoplastic Antibiotics,Cytotoxic Antibiotics,Antibiotics, Cytotoxic
D013302 Streptomyces A genus of bacteria that form a nonfragmented aerial mycelium. Many species have been identified with some being pathogenic. This genus is responsible for producing a majority of the ANTI-BACTERIAL AGENTS of practical value.
D015250 Aclarubicin An anthracycline produced by Streptomyces galilaeus. It has potent antineoplastic activity. Aclacinomycin A,Aclacin,Aclaplastin,MA-144A1,NSC-208734,MA 144A1,MA144A1,NSC 208734,NSC208734

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