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Engineering    2018, Vol. 4 Issue (4) : 523 -533
Research |
Genetic Manipulation of Non-Classic Oilseed Plants for Enhancement of Their Potential as a Biofactory for Triacylglycerol Production
Xiao-Yu Xu1,2,Hong-Kun Yang1,Surinder P. Singh1,Peter J. Sharp2(),Qing Liu1()
1. CSIRO Agriculture and Food, Canberra, ACT 2601, Australia
2. Plant Breeding Institute and Sydney Institute of Agriculture, School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW 2006, Australia

Global demand for vegetable oil is anticipated to double by 2030. The current vegetable oil production platforms, including oil palm and temperate oilseeds, are unlikely to produce such an expansion. Therefore, the exploration of novel vegetable oil sources has become increasingly important in order to make up this future vegetable oil shortfall. Triacylglycerol (TAG), as the dominant form of vegetable oil, has recently attracted immense interest in terms of being produced in plant vegetative tissues via genetic engineering technologies. Multidiscipline-based ‘‘-omics” studies are increasingly enhancing our understanding of plant lipid biochemistry and metabolism. As a result, the identification of biochemical pathways and the annotation of key genes contributing to fatty acid biosynthesis and to lipid assembly and turnover have been effectively updated. In recent years, there has been a rapid development in the genetic enhancement of TAG accumulation in high-biomass plant vegetative tissues and oilseeds through the genetic manipulation of the key genes and regulators involved in TAG biosynthesis. In this review, current genetic engineering strategies ranging from single-gene manipulation to multigene stacking aimed at increasing plant biomass TAG accumulation are summarized. New directions and suggestions for plant oil production that may help to further alleviate the potential shortage of edible oil and biodiesel are discussed.

Keywords Plant vegetable oil      Triacylglycerol      Genetic engineering      Edible oil      Biodiesel     
Corresponding Authors: Peter J. Sharp,Qing Liu   
Just Accepted Date: 16 July 2018   Issue Date: 11 September 2018
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Xiao-Yu Xu
Hong-Kun Yang
Surinder P. Singh
Peter J. Sharp
Qing Liu
Cite this article:   
Xiao-Yu Xu,Hong-Kun Yang,Surinder P. Singh, et al. Genetic Manipulation of Non-Classic Oilseed Plants for Enhancement of Their Potential as a Biofactory for Triacylglycerol Production[J]. Engineering, 2018, 4(4): 523 -533 .
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[2] Mei Guan, Hong Chen, Xinghua Xiong, Xin Lu, Xun Li, Fenghong Huang, Chunyun Guan. A Study on Triacylglycerol Composition and the Structure of High-Oleic Rapeseed Oil[J]. Engineering, 2016, 2(2): 258 -262 .
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