auxotrophic

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Related to auxotrophy: prototrophy, auxotrophs

auxotrophic

 [awk″so-trof´ik]
1. requiring a growth factor not required by the parental or prototype strain; said of microbial mutants.
2. requiring specific organic growth factors in addition to the carbon source present in a minimal medium.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

aux·o·tro·phic

(awk'sō-trof'ik, -trō'fik),
Pertaining to an auxotroph.
Farlex Partner Medical Dictionary © Farlex 2012

aux·o·tro·phic

(awk'sō-trō'fik)
Pertaining to an auxotroph.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
5-FOA resistant colonies were tested for auxotrophy by patching on CD medium and CD medium with uracil and uridine.
The genome of th17 cell-inducing segmented filamentous bacteria reveals extensive auxotrophy and adaptations to the intestinal environment.
fischeri strain ESR1, that the host squid provides certain amino acids to support the bacteria, and auxotrophy for amino acids in the bacteria can lower the level of its colonization of the squid light organ.
Repression of cystathionine [Gamma]-synthase in Arabidopsis thaliana produces partial methionine auxotrophy and developmental abnormalities.
To characterize the phenotypes of the DNA photolyase-deficient strain DP-1 ([DELTA]pyrE [DELTA]suaI [DELTA]phr) and argD deletion mutant SK-5 ([DELTA]pyrE [DELTA]suaI [DELTA]argD), UV sensitivity and agmatine auxotrophy were examined, respectively.
The inactivation of URA3 results in uracil auxotrophy and 5-fluoroorotic acid resistance phenotype (11).
MIPS regulatory loci have not yet been identified in higher plant species; however, at least 10 different Ins auxotrophy genes have been identified in yeast (Culbertson and Henry, 1975), albeit several of these have pleiotropic effects on carbon source utilization.