Indole-3-acetic acid and gibberellic acid production in Aspergillus niger

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Bilkay I. S., Karakoc S., AKSÖZ N.

TURKISH JOURNAL OF BIOLOGY, vol.34, no.3, pp.313-318, 2010 (SCI-Expanded)

• Publication Type: Article / Article
• Volume: 34 Issue: 3
• Publication Date: 2010
• Doi Number: 10.3906/biy-0812-15
• Journal Name: TURKISH JOURNAL OF BIOLOGY
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, TR DİZİN (ULAKBİM)
• Page Numbers: pp.313-318
• Hacettepe University Affiliated: Yes

Abstract

The effects of incubation time, temperature, pH, and agitation on indole-3- acetic acid and gibberellic acid production in Aspergillus niger were studied. For indole-3-acetic acid production, 6 days of incubation at 25 degrees C and pH 6.0 was found to be optimum. Optimum conditions for gibberellic acid production were 12 days of incubation at 30 degrees C and pH 5.0. Agitation increased both indole-3-acetic acid and gibberellic acid production.