A bifunctional alginate lyase from Vibrio sp. H204
Author Information
Author(s): Peng Chune, Wang Qingbin, Xu Wei, Wang Xinkun, Zheng Qianqian, Liang Xiaohui, Dong Xiaodan, Li Fuchuan, Peng Lizeng
Primary Institution: Key Laboratory of Agro-Products Processing Technology of Shandong Province, Shandong Academy of Agricultural Sciences, Jinan, China
Hypothesis
The study investigates the properties and functions of a bifunctional endolytic alginate lyase with two different catalytic domains.
Conclusion
The bifunctional alginate lyase Aly35 can efficiently degrade alginate into bioactive oligosaccharides, with distinct activities attributed to its two catalytic domains.
Supporting Evidence
- Aly35 and its truncated proteins can efficiently degrade alginate into unsaturated oligosaccharides.
- Aly35-CD1 shows greater PM-degrading activity than Aly35-CD2.
- The enzyme exhibits temperature and pH stability.
- Aly35 is classified into the polysaccharide lyase 7 superfamily.
- The study provides insights into alginate lyase groups for enzyme design.
Takeaway
Scientists found a special enzyme from a marine bacterium that can break down a seaweed component into smaller pieces, which can be useful for making health products.
Methodology
The enzyme was expressed in E. coli, purified, and its biochemical characteristics and substrate-degrading patterns were analyzed.
Digital Object Identifier (DOI)
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