bacterial strain

菌株

English-Chinese lightIndusrty dictionary (英汉轻工业大词典). 2013.

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  • bacterial virus — n BACTERIOPHAGE * * * a virus capable of producing transmissible lysis of bacteria; the virus particle attaches to the bacterial cell wall and viral nucleoprotein enters the cell, resulting in the synthesis of virus and its liberation on physical …   Medical dictionary

  • strain — 1. A population of homogeneous organisms possessing a set of defined characteristics; in bacteriology, the set of descendants that retains the characteristics of the ancestor; members of a s. that subsequently differ from the original isolate are …   Medical dictionary

  • strain — {{Roman}}I.{{/Roman}} noun 1 severe demand on strength, resources, etc. ADJECTIVE ▪ considerable, enormous, great, heavy, real, severe, terrible, tremendous ▪ …   Collocations dictionary

  • bacterial — adj. Bacterial is used with these nouns: ↑contamination, ↑disease, ↑growth, ↑infection, ↑meningitis, ↑pneumonia, ↑resistance, ↑strain …   Collocations dictionary

  • Hfr strain — A bacterial strain that donates its genes with high frequency to a recipient cell during conjugation because the F factor is integrated into the bacterial chromosome …   Dictionary of microbiology

  • rough strain — Bacterial strains that have altered outer cell wall carbohydrate chains causing colonies on agar to change their appearance from smooth to dull. In Streptococci the smooth strains are virulent whereas the rough strains are not. This is partly… …   Dictionary of molecular biology

  • Circular bacterial chromosome — A circular bacterial chromosome, showing DNA replication proceeding bidirectionally, with two replication forks generated at the origin . Each half of the chromosome replicated by one replication fork is called a replichore . (Graphic computer… …   Wikipedia

  • S strain — smooth strain a type of strain that results from bacterial dissociation; smooth or S colonies have a smooth surface and an unbroken border, growth in fluid media tends to be diffuse; capsules, if present at all, are found in this strain, and the… …   Medical dictionary

  • R strain — rough strain a type of strain that results from bacterial dissociation; rough or R colonies have a dull, uneven surface and irregular border, the growth in fluid media tends to flake out, no capsules are seen, and the culture tends to be less… …   Medical dictionary

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