Skip to main content

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

The Original Article was published on 23 March 2021

Correction to: Biotechnol Biofuels (2021) 14:76 https://doi.org/10.1186/s13068-021–01928-8

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].

References

  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.

    CAS  Article  PubMed  PubMed Central  Google Scholar 

  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.

    CAS  Article  PubMed  Google Scholar 

Download references

Author information

Affiliations

Authors

Corresponding authors

Correspondence to Xiaoyun Jia or Runzhi Li.

Additional information

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

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

Download citation