Studies on the production of indole-3-acetic acid with auxin-heterotrophic mutants derived from cultured crown gall cells
- 1 November 1980
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant and Cell Physiology
- Vol. 21 (8) , 1227-1232
- https://doi.org/10.1093/oxfordjournals.pcp.a076121
Abstract
Mutants in the indole-3-acetic acid metabolism derived from cultured crown gall cells were tested to see whether they could utilize any one of eight indolic compounds in place of indole-3-acetic acid. Two auxin-heterotrophic mutant cell lines could not utilize indolepyruvic acid, but growth recovered when there was a supplement of indole-3-acetic acid. Indoleacetonitril and indoleacetaldoxime inhibited the growth of mutant cell lines and their parental crown gall cells. Cultured crown gall cells may have synthesized indole-3-acetic acid from tryptophan via indolepyruvic acid and indole-acetaldehyde, and also may be able to produce indole-3-acetic acid from tryptophan via tryptamineKeywords
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