Growth-promoting Effect of Alginate Oligosaccharides on Rhodobacter sphaeroides

Rhodobacter sphaeroides has been well-known for its strong contribution to environment, medicine, food, and cosmetic industry. Here, we first reported the growth-promoting effects of an alginate oligosaccharide mixture (AOS) on R. sphaeroides . AOS exhibited a stimulatory effect on the growth of R....

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Bibliographic Details
Published in:Biotechnology and bioprocess engineering 2022, 27(1), , pp.99-104
Main Authors: Le, Nguyen Thi My, Le, Ve Van, Shin, Donghyun, Park, Seung-Moon
Format: Article
Language:English
Subjects:
Biotechnology
Chemistry
Chemistry and Materials Science
Industrial and Production Engineering
Research Paper
생물공학
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Summary:Rhodobacter sphaeroides has been well-known for its strong contribution to environment, medicine, food, and cosmetic industry. Here, we first reported the growth-promoting effects of an alginate oligosaccharide mixture (AOS) on R. sphaeroides . AOS exhibited a stimulatory effect on the growth of R. sphaeroides in a dose-dependent manner. The highest growth rate of R. sphaeroides was obtained in LB medium supplemented with 0.5% AOS. AOS exerted a selective growth-promoting effect on R. sphaeroides but not on Escherichia coli, Lysinibacillus xylanilyticus , and Pantoea rwandensis . The growth-promoting effect of AOS is influenced by light and may be involved in the up-regulation of fbp2, RSP-0557 , and RegB genes. Our results collectively suggested that AOS should be employed as a growth-promoting factor to enhance the transition of R. sphaeroides to industrial applications.
ISSN:1226-8372
1976-3816
DOI:10.1007/s12257-021-0246-3