拟南芥<EM>TAG1</EM> 基因对脂类合成调控作用的研究进展

白玫;吴鸿*

doi:10.3969/j.issn.1674-3466.2009.06.012

植物学报 >

2009 , Vol. 44 >Issue 06: 735 - 741

DOI: https://doi.org/10.3969/j.issn.1674-3466.2009.06.012

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拟南芥TAG1 基因对脂类合成调控作用的研究进展

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华南农业大学生命科学学院药用植物研究中心, 广州 510642

收稿日期: 2008-11-21

修回日期: 2009-04-15

网络出版日期: 2009-11-01

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Recent Progress in Lipid Biosynthesis Regulated by TAG1 in Arabidopsis thaliana

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Research Center for Medicinal Plants, College of Life Sciences, South China Agricultural University, Guangzhou 510642, China

Received date: 2008-11-21

Revised date: 2009-04-15

Online published: 2009-11-01

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摘要

三酰甘油(TAG)是真核生物中能量贮存的最主要形式。植物中贮存的三酰甘油是食用油类和工业用油的主要来源。TAG1基因的表达产物甘油二酯酰基转移酶(DGAT)能够调控三酰甘油的合成。as11是TAG1基因突变获得的脂类代谢相关突变体。该文概述了拟南芥(Arabidopsis thaliana)突变体as11的生物学特征及TAG1基因对脂类合成调控的最新进展。

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白玫;吴鸿* . 拟南芥TAG1 基因对脂类合成调控作用的研究进展[J]. 植物学报, 2009 , 44(06) : 735 -741 . DOI: 10.3969/j.issn.1674-3466.2009.06.012

Abstract

Triacylglycerols (TAGs) represent the most efficient form of energy storage in eukaryotic cells. TAGs in plants are major sources of essential polyunsaturated fatty acids in the human diet and in renewable feedstock for the chemical industry. Diacylglycerol transacylase, which is encoded by the TAG1 gene, regulates TAG biosynthesis. The Arabidopsis thaliana mutant as11 has a mutation in TAG1. In this review, we summarize the recent progress in the biological characterization of as11 and the lipid biosynthesis regulation by TAG1.

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