Large scale production of indole-3-acetic acid and evaluation of the inhibitory effect of indole-3-acetic acid on weed growth.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
22 06 2021
22 06 2021
Historique:
received:
21
02
2021
accepted:
02
06
2021
entrez:
23
6
2021
pubmed:
24
6
2021
medline:
9
11
2021
Statut:
epublish
Résumé
Indole-3-acetic acid (IAA) is the most common plant hormone of the auxin class and regulates various plant growth processes. The present study investigated IAA production by the basidiomycetous yeast Rhodosporidiobolus fluvialis DMKU-CP293 using the one-factor-at-a-time (OFAT) method and response surface methodology (RSM). IAA production was optimized in shake-flask culture using a cost-effective medium containing 4.5% crude glycerol, 2% CSL and 0.55% feed-grade L-tryptophan. The optimized medium resulted in a 3.3-fold improvement in IAA production and a 3.6-fold reduction in cost compared with those obtained with a non-optimized medium. Production was then scaled up to a 15-L bioreactor and to a pilot-scale (100-L) bioreactor based on the constant impeller tip speed (V
Identifiants
pubmed: 34158557
doi: 10.1038/s41598-021-92305-w
pii: 10.1038/s41598-021-92305-w
pmc: PMC8219710
doi:
Substances chimiques
Culture Media
0
Indoleacetic Acids
0
Plant Growth Regulators
0
indoleacetic acid
6U1S09C61L
Tryptophan
8DUH1N11BX
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
13094Références
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