prototroph


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Related to prototroph: prototrophy, autotroph, auxotroph

prototroph

 [pro´to-trōf]
an organism with the same growth factor requirements as the ancestral strain; said of microbial mutants. adj., adj prototroph´ic.

pro·to·troph

(prō'tō-trof, -trōf),
A bacterial strain that has the same nutritional requirements as the wild-type strain from which it was derived.
See also: wild-type strain.
[proto- + G. trophē, nourishment]

pro·to·troph

(prō'tō-trōf)
A bacterial strain that has the same nutritional requirements as the wild-type strain from which it was derived.
[proto- + G. trophē, nourishment]

prototroph

a strain of an organism that does not possess growth requirements in excess of those of the wild type.
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References in periodicals archive ?
The resulting uracil prototroph transformants exhibit blue colonies and can be selected on uracil-free plates.
Reagents and amino acids for making standard dropout (SD) plates for prototroph and colorimetric screening were obtained from Clontech.
Improvement of kasugamycin-producing strain by the agar piece method and the prototroph method.