Enhancement of welan gum production in Sphingomonas sp. HT-1 via heterologous expression of Vitreoscilla hemoglobin gene
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- 作者：Xiaoliu Liua ; b ; Ping Zhua ; b ; Ruifan Jianga ; b ; Lingtian Wua ; b ; Xiaohai Fenga ; b ; Sha Lia ; b ; lisha@njtech.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Hong Xua ; b ; xuh@njut.edu.cn" class="auth_mail" title="E-mail the corresponding author (Prof.)
- 关键词：Welan gum ; Vitreoscilla hemoglobin gene ; Fermentation ; Rheological behavior
- 刊名：Carbohydrate Polymers
- 出版年：2017
- 出版时间：20 January 2017
- 年：2017
- 卷：156
- 期：Complete
- 页码：135-142
- 全文大小：2288 K
文摘
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S. sp. carrying of vgb was constructed to improve welan gum yield.
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An increase of 34.6 g/L welan gum was attained with VHb expression.
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The rheological behavior of welan gum solutions had no change after vgb insertion.
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VHb expression enhanced oxygen uptake rate and ATP level for welan gum production.