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author:

Guan, Y. (Guan, Y..) [1] | Sun, J. (Sun, J..) [2] | Wang, J. (Wang, J..) [3]

Indexed by:

Scopus PKU CSCD

Abstract:

The effects of N-acetyl glucosamine (N-AGA) on the production of Gentamicin in Micromonospora purpurea were researched and adding process of N-AGA was explored. It was found that when N-AGA was added into the fermentation with the concentration of 0. 05% and 0. 15% after 48 h and 60 h of fermentation respectively in a 250 mL flasks, the biological titer was 2 030 U/ml and increased by over 65% compared to control 1 228 U/mL; the average biological titer of the 3 batches was 1 727 U/mL in 5 L fermentor and was increased by 57% compared to control 1 097 U/mL. Besides, total sugar, amino nitrogen, pH, cell concentration and other metabolic parameters were determined during the fermentation process, proving the role of N-AGA in noticeably improving gentamicin biosynthesis. The proposed method is cheap, relatively simple and does not change the original process.

Keyword:

Biological titer; Gentamicin; Metabolic parameter; Micromonospora purpurea; N-acetyl glucosamine

Community:

  • [ 1 ] [Guan, Y.]College of Biological Science and Technology, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Sun, J.]College of Biological Science and Technology, Fuzhou University, Fuzhou 350002, China
  • [ 3 ] [Wang, J.]College of Biological Science and Technology, Fuzhou University, Fuzhou 350002, China

Reprint 's Address:

  • [Guan, Y.]College of Biological Science and Technology, Fuzhou University, Fuzhou 350002, China

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Source :

Journal of University of Science and Technology of China

ISSN: 0253-2778

Year: 2011

Issue: 11

Volume: 41

Page: 1022-1027

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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