Prototrophy

Full definition of prototrophy

Noun

1. The condition of being a prototroph.
• 1951, K. C. Atwood, Periodic Selection in Escherichia Coli, Spontaneous mutations in bacteria are generally reversible. Consequently, in a medium where prototrophy confers no selective advantage, various auxotrophs (and other mutant types) should accumulate until for each type the number is such that the loss- by mutation to prototrophy should equal the gain by mutation to the corresponding auxotrophic condition.
• August 22, 2015, , The Aspergillus fumigatus pkcA G579R Mutant Is Defective in the Activation of the Cell Wall Integrity Pathway but Is Dispensable for Virulence in a Neutropenic Mouse Infection Model, The pyrG inserted into the gene replacement cassette was amplified from pCDA21 plasmid and was used to generate a marker for prototrophy in the mutant strain.

Coordinate terms

• auxotrophy

Anagrams