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Correction to: Ectopic overexpression of a type-II DGAT (CeDGAT2-2) derived from oil-rich tuber of Cyperus esculentus enhances accumulation of oil and oleic acid in tobacco leaves
Biotechnology for Biofuels ( IF 6.3 ) Pub Date : 2021-06-16 , DOI: 10.1186/s13068-021-01990-2
Yu Gao 1 , Yan Sun 1 , Huiling Gao 1 , Ying Chen 1 , Xiaoqing Wang 1 , Jinai Xue 1 , Xiaoyun Jia 2 , Runzhi Li 1
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Following publication of the original article [1], it was brought to our attention that we missed and failed to cite a related paper [2] (Liu et al. Plant Cell Physiol, 2020; 61:118–129) that was published a short while before. Liu et al. [2] described the identification and molecular characterization of CeDGAT1 and CeDGAT2a/b (CeDGAT2-1 and CeDGAT2-2 in [1]) from Cyperus esculentus. Our study [1] obtained the same results in gene expression patterns and confirmed that CeDGAT2b exhibited DGAT activity and is therefore likely the major contributor to tuber oil biosynthesis. Extending these results, our experiments demonstrated that CeDAGT2-2 had a very strong substrate specificity for oleic acid in transgenic yeast cells and tobacco leaves. More significantly, overexpression of CeDGAT2-2 in tobacco resulted in a high level of oleic acid and total oil accumulation, and the transgenic plants exhibited no negative impact on other agronomic traits. Therefore, our finding demonstrates that CeDGAT2-2 is the desirable target gene in metabolic engineering to enrich oil and value-added lipids in high-biomass plants. We sincerely apologize for our missing of the related work of Liu et al. [2].

  1. 1.

    Gao Y, Sun Y, Gao H, Chen Y, Wang X, Xue J, Jia X, Li R. Ectopic overexpression of a type-II DGAT (CeDGAT2-2) derived from oil-rich tuber of Cyperus esculentus enhances accumulation of oil and oleic acid in tobacco leaves. Biotechnol Biofuels. 2021;14:76. https://doi.org/10.1186/s13068-021-01928-8.

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  2. 2.

    Liu D, Ji H, Yang Z. Functional characterization of three novel genes encoding diacylglycerol acyltransferase (DGAT) from oil-rich tubers of Cyperus esculentus. Plant Cell Physiol. 2020;61(1):118–29. https://doi.org/10.1093/pcp/pcz184.

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Affiliations

  1. College of Agriculture, Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu, 030801, Shanxi, China

    Yu Gao, Yan Sun, Huiling Gao, Ying Chen, Xiaoqing Wang, Jinai Xue & Runzhi Li

  2. College of Life Sciences, Shanxi Agricultural University, Taigu, 030801, Shanxi, China

    Xiaoyun Jia

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  1. Yu GaoView author publications

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  2. Yan SunView author publications

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  3. Huiling GaoView author publications

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  4. Ying ChenView author publications

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  5. Xiaoqing WangView author publications

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  6. Jinai XueView author publications

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  7. Xiaoyun JiaView author publications

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  8. Runzhi LiView author publications

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Corresponding authors

Correspondence to Xiaoyun Jia or Runzhi Li.

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Gao, Y., Sun, Y., Gao, H. et al. Correction to: Ectopic overexpression of a type-II DGAT (CeDGAT2-2) derived from oil-rich tuber of Cyperus esculentus enhances accumulation of oil and oleic acid in tobacco leaves. Biotechnol Biofuels 14, 139 (2021). https://doi.org/10.1186/s13068-021-01990-2

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  • DOI: https://doi.org/10.1186/s13068-021-01990-2

中文翻译：
更正：来自香附的富油块茎的 II 型 DGAT (CeDGAT2-2) 的异位过度表达增强了油和油酸在烟叶中的积累

在原始文章 [1] 发表后，我们注意到我们错过并未能引用一篇相关论文 [2]（Liu 等人，Plant Cell Physiol，2020；61:118-129），该论文发表于不久前。刘等人。[2] 描述了来自Cyperus esculentus的CeDGAT1和CeDGAT2a/b（[1] 中的CeDGAT2-1和CeDGAT2-2）的鉴定和分子表征. 我们的研究 [1] 在基因表达模式中获得了相同的结果，并证实 CeDGAT2b 表现出 DGAT 活性，因此可能是块茎油生物合成的主要贡献者。扩展这些结果，我们的实验证明 CeDAGT2-2 对转基因酵母细胞和烟叶中的油酸具有非常强的底物特异性。更重要的是，CeDGAT2-2在烟草中的过表达导致高水平的油酸和总油积累，并且转基因植物对其他农艺性状没有负面影响。因此，我们的发现表明CeDGAT2-2是代谢工程中理想的靶基因，可在高生物量植物中富集油和增值脂质。对于我们错过刘等人的相关工作，我们深表歉意。[2]。

  1. 1.

    Gao Y、Sun Y、Gao H、Chen Y、Wang X、Xue J、Jia X、Li R. 来自香附的富油块茎的 II 型 DGAT (CeDGAT2-2) 的异位过度表达增强了油的积累和烟叶中的油酸。生物技术生物燃料。2021；14:76。https://doi.org/10.1186/s13068-021-01928-8。

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  2. 2.

    Liu D, Ji H, Yang Z. 编码香附油富块茎中甘油二酯酰基转移酶 (DGAT) 的三个新基因的功能表征。植物细胞生理学。2020；61(1):118–29。https://doi.org/10.1093/pcp/pcz184。

    CAS 文章 PubMed Google Scholar

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隶属关系

  1. 山西农业大学分子农业与生物能源研究所农学院，山西太谷 030801

    Yu Gao, Yan Sun, Huiling Gao, Ying Chen, Xiaoqing Wang, Jinai Xue & Runzhi Li

  2. 山西农业大学生命科学学院, 山西太谷 030801

    贾晓云

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Gao, Y.、Sun, Y.、Gao, H.等。更正：来自香附的富油块茎的 II 型 DGAT (CeDGAT2-2) 的异位过度表达增强了油和油酸在烟叶中的积累。生物技术生物燃料 14, 139 (2021)。https://doi.org/10.1186/s13068-021-01990-2

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  • DOI : https://doi.org/10.1186/s13068-021-01990-2
更新日期：2021-06-16
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