Research advances in polysaccharide utilization loci of rumen microorganism
Polysaccharide utilization loci (PULs) are gene clusters that orchestrate the breakdown of a specific glycan, encode cell surface polysaccharide binding proteins, outer membrane transport proteins, carbohydrate-active enzymes (CAZymes) and transcription factors. Bacteroidetes are highly abundant in...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Zhejiang University Press
2020-06-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
| Subjects: | |
| Online Access: | https://www.academax.com/doi/10.3785/j.issn.1008-9209.2019.07.091 |
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| Summary: | Polysaccharide utilization loci (PULs) are gene clusters that orchestrate the breakdown of a specific glycan, encode cell surface polysaccharide binding proteins, outer membrane transport proteins, carbohydrate-active enzymes (CAZymes) and transcription factors. Bacteroidetes are highly abundant in rumen and are considered as efficient degraders of polysaccharides, which can use PULs to arrange the detection, sequestration, digestion of complex carbohydrates. Effective improvement of the rumen function and excavation of high-performance enzymes by Bacteroidetes will be significantly informed by a holistic understanding of the mechanisms of PULs. This paper introduces the mode of action and regulatory mechanism of PULs, reviews the latest developments in rumen PULs research, and is aimed at providing the theoretical basis for the strengthening of PULs study and the application of PULs in microorganism modification and bioenergy development. |
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| ISSN: | 1008-9209 2097-5155 |