文献类型： 外文期刊
作者： Zhao, Jiayue 1 ; Zong, Zhijie 1 ; Zhang, Xinyu 1 ; Luo, Chaobing 3 ; Li, Zhiqiang 1 ;
作者机构： 1.Int Ctr Bamboo & Rattan, Beijing 100102, Peoples R China
2.Key Lab Natl Forestry & Grassland Adm Bamboo & Rat, Beijing 100102, Peoples R China
3.Xinjiang Acad Agr Sci, Inst Hort Crops, Urumqi 838099, Peoples R China
关键词： Lignocellulose; Biomass; Bamboo; PHA; Biosynthesis
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.5； 五年影响因子：8.7 ）
ISSN： 0141-8130
年卷期： 2025 年 316 卷
页码：
收录情况： SCI
摘要： In light of growing concerns about climate change, energy crises, and waste management due to the excessive reliance on fossil resources, there is an increasing emphasis on sustainability and the circular economy. Polyhydroxyalkanoates (PHAs), microbial polyesters synthesized from various feedstocks, offer a promising alternative to conventional plastics due to their comparable physicochemical characteristics, biological degradability, and biocompatibility. Lignocellulosic biomass, known for its abundance, renewability, and affordability, represents a particularly suitable carbon source for commercial PHA production. This review provides a comprehensive overview of the bioconversion of lignocellulosic feedstocks into PHAs, encompassing pretreatment, hydrolysis, and fermentation strategies. It highlights biosynthetic pathways from cellulose and hemicellulose via reducing sugars and volatile fatty acids fermentation, and also evaluates the feasibility of utilizing lignin as a substrate for PHA biosynthesis. Additionally, the review underscores the advantages of bamboo-a rapid-growing, renewable plant with high biomass yield, rich lignocellulosic composition, and strong carbon sequestration capacity-as a promising yet underexplored feedstock for industrial-scale PHA production.
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