prototrophism

名词 n.

英文释义

名词 n.
  1. Reversion to the growth factor requirements of an ancestral strain. uncountable
    — Berrie [ 254 ] found that the incubation temperature of the colon bacillus has an influence on the incidence of the mutations returning to prototrophism and streptomycin independence
  2. The ability to obtain nourishment from a single source, such as iron, sulfur, or sunlight or to undergo anabolism. uncountable
    — Bacteria vary greatly in their food requirements from extreme examples of prototrophism and autotrophism to extreme parasitism.

词源

From proto- + -trophism.
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