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Single-step production of polyhydroxybutyrate from starch by using α-amylase cell-surface displaying system of
Yuyang Song1, Ken'ichiro Matsumoto, Tsutomu Tanaka
1Division of Biotechnology and Macromolecular Chemistry, Graduate School of Engineering, Hokkaido University, N13-W8, Kita-ku, Sapporo 060-8628, Japan.
Abstract:
Direct polyhydroxybutyrate (PHB) production from starch was for the first time achieved using engineered Corynebacterium glutamicum expressing PHB biosynthetic genes and displaying α-amylase on its cell surface. The engineered strain accumulated 6.4 wt% PHB from starch which was higher than that obtained from glucose (4.9 wt%).
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