Actinomycetaceae Ac·ti·no·my·ce·ta·ce·ae (āk’tə-nō-mī’sĭ-tā’sē-ē’)
A family of non-spore-producing, nonmotile, mostly facultatively anaerobic bacteria containing gram-positive, non-acid-fast, predominantly diphtheroid cells that tend to form branched filaments.
actinomycetales Actinomycetales Ac·ti·no·my·ce·ta·les (āk’tə-nō-mī’sĭ-tā’lēz) n. An order of bacteria consisting of moldlike, rod-shaped, clubbed or filamentous forms that tend to form branching filaments.
any of several rod-shaped or filamentous, aerobic or anaerobic bacteria of the phylum Chlamydobacteriae, or in some classification schemes, the order Actinomycetales, certain species of which are pathogenic for humans and animals. noun any bacterium of the group Actinomycetes, usually filamentous in form actinomycete ac·ti·no·my·cete (āk’tə-nō-mī’sēt’, -mī-sēt’) n. Any of various filamentous or rod-shaped, often […]
- Actinomycin d
. a cytotoxic polypeptide, C 62 H 86 N 12 O 16 , isolated from the bacterium Streptomyces parvullus, used in the treatment of certain cancers. dactinomycin dac·ti·no·my·cin (dāk’tə-nō-mī’sīn) n. An antibiotic isolated from bacteria and used as an antineoplastic agent in the treatment of certain cancers.
any of a group of related antibiotics derived from several species of streptomyces bacteria, used against susceptible bacteria and fungi and in the treatment of various cancers. noun any of several toxic antibiotics obtained from bacteria of the genus Streptomyces, used in treating some cancers; the most commonly used is dactinomycin (actinomycin D) actinomycin ac·ti·no·my·cin […]