| Engineering of an endogenous phytoene desaturase gene as a dominant selectable marker for Chlamydomonas reinhardtii transformation and enhanced biosynthesis of carotenoids | |
Liu, Jin1,4; Gerken, Henri2; Huang, Junchao3 ; Chen, Feng4
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| 通讯作者 | Liu, J (reprint author), Univ Maryland, Ctr Environm Sci, Inst Marine & Environm Technol, Baltimore, MD 21201 USA. ; jliu@umces.edu ; sfchencoe@pku.edu.cn |
| 2013-05-01 | |
| 发表期刊 | PROCESS BIOCHEMISTRY
 |
| ISSN | 1359-5113 |
| 卷号 | 48期号:5-6页码:788-795 |
| 摘要 | A phytoene desaturase (PDS) gene was cloned and characterized from the unicellular green microalga Chlamydomonas reinhardtii. Functional complementation analysis revealed C reinhardtii PDS (CrPDS) catalyzes the conversion of phytoene to the colored carotenoid zeta-carotene. A single amino acid substitution, L505F, enhanced its desaturation activity by 29%, as indicated by an in vitro enzymatic assay. In addition, CrPDS-L505F exhibited 27.7-fold higher resistance to the herbicide norflurazon. Glass bead-mediated delivery displayed a high transformation efficiency of C reinhardtii with CrPDS-L505F, demonstrating clearly that the engineered endogenous CrPDS is a dominant selectable marker for C. reinhardtii and possibly for other green algae. Furthermore, the expression of PDS could enhance the intracellular carotenoid accumulation of transformants, opening up the possibility of engineering the carotenogenic pathway for improved carotenoid production in microalgae. (C) 2013 Elsevier Ltd. All rights reserved. |
| 关键词 | Chlamydomonas Reinhardtii Carotenoids Norflurazon Phytoene Desaturase Selectable Marker Site-directed Mutation |
| 学科领域 | Biochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Engineering, Chemical |
| DOI | 10.1016/j.procbio.2013.04.020 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000321423600006 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.kib.ac.cn/handle/151853/16843 |
| 专题 | 资源植物与生物技术所级重点实验室 |
| 作者单位 | 1.Univ Maryland, Ctr Environm Sci, Inst Marine & Environm Technol, Baltimore, MD 21201 USA 2.Arizona State Univ, Dept Appl Sci & Math, Mesa, AZ USA 3.Chinese Acad Sci, Kunming Inst Bot, Kunming, Peoples R China 4.Peking Univ, Coll Engn, Inst Food & Bioresource Engn, Beijing 100871, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Jin,Gerken, Henri,Huang, Junchao,et al. Engineering of an endogenous phytoene desaturase gene as a dominant selectable marker for Chlamydomonas reinhardtii transformation and enhanced biosynthesis of carotenoids[J]. PROCESS BIOCHEMISTRY,2013,48(5-6):788-795. |
| APA | Liu, Jin,Gerken, Henri,Huang, Junchao,&Chen, Feng.(2013).Engineering of an endogenous phytoene desaturase gene as a dominant selectable marker for Chlamydomonas reinhardtii transformation and enhanced biosynthesis of carotenoids.PROCESS BIOCHEMISTRY,48(5-6),788-795. |
| MLA | Liu, Jin,et al."Engineering of an endogenous phytoene desaturase gene as a dominant selectable marker for Chlamydomonas reinhardtii transformation and enhanced biosynthesis of carotenoids".PROCESS BIOCHEMISTRY 48.5-6(2013):788-795. |
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