aux·o·troph

(ôk′sə-trŏf, -trōf′)

An organism, such as a strain of bacteria, that has lost the ability to synthesize certain substances required for its growth and metabolism as the result of mutational changes.

[Back-formation from auxotrophic.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

auxotroph

(ˈɔːksətrəʊf)

(Microbiology) a mutant strain of microorganism having nutritional requirements additional to those of the normal organism

ˌauxoˈtrophic adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

References in periodicals archive

pseudomallei 82 (purine auxotroph) were grown in Luria Bertani (Lennox) broth (Difco) with 4% glycerol (Sigma Aldrich, https://www.sigmaaldrich.com) (22) or on SBA plates.

Formaldehyde and Glutaraldehyde Inactivation of Bacterial Tier 1 Select Agents in Tissues

Auxotroph strains of Salmonella typhemurium (TA-98 and TA-100) were used.

Toxicity evaluation of tilmicosin under in Vitro and in vivo conditions

Culture conditions for the production of L-glutamic acid from n-paraffins by glycerol auxotroph GL-21.

OPTIMIZING THE CONCENTRATION OF BIOTIN FOR L-GLUTAMIC ACID PRODUCTION BY A LOCALLY ISOLATED CORYNEFORM STRAIN

L-Tryptophan production by analog-resistant mutants derived from a phenylalanine and tyrosine double auxotroph of Corynebacterium glutamicum.

Preliminary study on cost-effective L-tryptophan production from indole and L-serine by E coli cells

Reactive oxygen species are the major antibacterial against Salmonella Typhymurium purine auxotroph in the phagosome of RAW2647.7 cells.

Survey of nutritional education for students of faculty education Nujran based on supplemented food products with some vegetables peels and study the chemical and storage properties of product

Similarly Shah [27] used different fermentation media having 2% CaCO3 with maximum Lysine (38, 33 and 28.5g/L) by mutated auxotroph of Corynebacterium glutamicum.

Bioconversion of Agricultural By-Products to Lysine by Brevibacterium flavum and Physico-Chemical Optimization for Hyper-production

Moat, "Amino acid transport in a polyaromatic amino acid auxotroph of Saccharomyces cerevisiae," Journal of Bacteriology, vol.

L-phenylalanine transport in Saccharomyces cerevisiae: Participation of GAP1, BAP2, and AGP1

gondii is an auxotroph for tryptophan and acquires the needed nutrients from its host cells.

Direct effect of two naphthalene-sulfonyl-indole compounds on Toxoplasma gondii tachyzoite

[180] isolated the soil bacterium Mesorhizobium loti, whose genome sequence is known to support growth of the vitamin [B.sub.12] auxotroph Lobomonas rostrata.

Aliphatic, cyclic, and aromatic organic acids, vitamins, and carbohydrates in soil: a review