A Carotenoid- and Poly-β-Hydroxybutyrate-Free Mutant Strain of Sphingomonas elodea ATCC 31461 for the Commercial Production of Gellan

A Carotenoid- and Poly-β-Hydroxybutyrate-Free Mutant Strain of Sphingomonas elodea ATCC 31461 for the Commercial Production of Gellan

A carotenoid- and PHB-free double gene knockout strain mutant was constructed to simplify the purification steps normally involved in gellan production. However, the production of gellan gum was unexpectedly reduced. A mutant with 14.4% higher gellan production than that of the wild-type strain was...

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Bibliographic Details
Main Authors: Ang Li, Tingting Hu, Hangqi Luo, Nafee-Ul Alam, Jiaqi Xin, Hongwei Li, Yinuo Lin, Jingyu Huang, Ke Huang, Yuan Meng, Fenbin Meng, Xiufang Hu, Ou Li
Format: Article
Language:English
Published: American Society for Microbiology 2019-10-01
Series:mSphere
Subjects:
gellan
poly-β-hydroxybutyrate
gene knockout
mutagenesis
carotenoids
Online Access:https://doi.org/10.1128/mSphere.00668-19

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