Increasing production of spinosad in Saccharopolyspora spinosa by metabolic engineering

被引：4
作者：
Bridget, Adzemye Fovennso [1 ]
Nguyen, Chung Thanh [1 ]
Magar, Rubin Thapa [1 ]
Sohng, Jae Kyung [1 ,2 ,3 ]
机构：
[1] Sun Moon Univ, Inst Biomol Reconstruct iBR, Dept Life Sci & Biochem Engn, Asan, Chungnam, South Korea
[2] Sun Moon Univ, Dept BT Convergent Pharmaceut Engn, Asan, Chungnam, South Korea
[3] Sun Moon Univ, Inst Biomol Reconstruct iBR, Dept Life Sci & Biochem Engn, 70 Sun Moon Ro,221 Tangjeong Myeon, Asan 31460, Chungnam, South Korea
来源：
BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY | 2023年 / 70卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
metabolic engineering; pIBR-SPN; Saccharopolyspora spinosa; spinosad; BIOSYNTHETIC GENE-CLUSTER; CONTROL AGENTS; IMPROVEMENT; ENHANCEMENT; EXPRESSION; METK1-SP; PATHWAY; PCR;
D O I：
10.1002/bab.2418
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Spinosad, a combination of spinosyn A and D produced by Saccharopolyspora spinosa, is a highly efficient pesticide. There has been a considerable interest in the improvement of spinosad production because of a low yield achieved by wild-type S. spinosa. In this study, we designed and constructed a pIBR-SPN vector. pIBR-SPN is an integrative vector that can be used to introduce foreign genes into the chromosome of S. spinosa. Different combinations of genes encoding forasamine and rhamnose were synthesized and used for the construction of different recombinant plasmids. The following recombinant strains were developed: S. spinosa pIBR-SPN (only the vector), S. spinosa pIBR-SPN F (forosamine genes), S. spinosa pIBR-SPN R (rhamnose genes), S. spinosa pIBR-SPN FR (forosamine and rhamnose genes), S. spinosa pIBR-SPN FRS (forosamine, rhamnose, and SAM [S-adenosyl-L-methionine synthetase] genes), and S. spinosa MUV pIBR-SPN FR. Among these recombinant strains, S. spinosa pIBR-SPN FR produced 1394 +/- 163 mg/L spinosad, which was 13-fold higher than the wild-type. S. spinosa MUV pIBR-SPN FR produced 1897 (+/- 129) mg/L spinosad, which was seven-fold higher than S. spinosa MUV and 17-fold higher than the wild-type strain.
引用
收藏
页码：1035 / 1043
页数：9
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