Mutant that differs from the wild-type in requiring a nutritional supplement for growth. A deficiency mutant.
A mutant that has a growth factor requirement (contrast with a prototroph).
(awk´so-trōf) an auxotrophic organism.Found on http://www.encyclo.co.uk/local/21001
<biology> Mutant that differs from the wild type in requiring a nutritional supplement for growth. A deficiency mutant. ... (02 Jan 1998) ... Found on http://www.encyclo.co.uk/local/20973
A strain of microorganism lacking the ability to synthesize one or more essential growth factors. Found on http://ppathw3.cals.cornell.edu/glossary/Defs_A.htm
auxotroph 1. A microorganism that requires nutrients from its environment in order to exist; for example, a mutant strain of an organism, e.g. a bacterium, that has lost the ability to synthesize a specific nutrient growth factor and must obtain it from its environment to survive. 2. A mutant organism, especially a microorganism, that has a nutrit...Found on http://www.wordinfo.info/words/index/info/view_unit/2191/2
Organism unable to synthesize an organic molecule which is required for its growth: when the compound is given to the organism with the other nutrients it requires, growth of the organism may occur.Found on http://sis.nlm.nih.gov/enviro/iupacglossary/glossarya.html
Type: Term Pronunciation: awk′sō-trōf Definitions: 1. A mutant microorganism that requires some nutrient that is not normally required by the organism (prototroph) from which the mutant was derived.Found on http://www.medilexicon.com/medicaldictionary.php?t=8862
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