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    Please use this identifier to cite or link to this item: https://ir.fy.edu.tw:8080/ir/handle/987654321/16340


    Title: Using recombinant cyanobacterium (Synechococcus elongatus) with increased carbohydrate productivity as feedstock for bioethanol production via separate hydrolysis and fermentation process
    Authors: Chow, Te-Jin;Su, Hsiang-Yen;Tsai, Tsung-Yu;Chou, Hsiang-Hui;Lee, Tse-Min;Chang, Jo-Shu
    Contributors: 輔英科技大學 生物科技系
    Keywords: Bioethanol;Carbohydrate;Cellulose;Recombinant cyanobacterium;Synechococcus elongatus PCC7942
    Date: 2015-05-01
    Issue Date: 2015-08-20 14:58:45 (UTC+8)
    Abstract: In this work, a recombinant cyanobacterium strain with increased photosynthesis rate, cell growth and carbohydrate production efficiency was genetically engineered by co-expressing ictB, ecaA, and acsAB (encoded for bacterial cellulose) in Synechococcus elongatus PCC7942. The resulting cyanobacterial biomass could be effectively hydrolyzed with dilute acid (2% sulfuric acid), achieving a nearly 90% glucose recovery at a biomass concentration of 80 g/L. Bioethanol can be produced from fermenting the acidic hydrolysate of S. elongatus PCC7942 via separate hydrolysis and fermentation (SHF) process at a concentration of 7.2 g/L and with a 91% theoretical yield.
    Relation: Bioresource Technology 184:33-41
    Appears in Collections:[生物科技系] 期刊論文

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