Integrated Lipidomic and Transcriptomic Analysis Reveals Lipid Metabolism in Foxtail Millet (Setaria italica)

Foxtail millet (Setaria italica) as the main traditional crop in China, is rich in many kinds of high quality fatty acids (FAs). In this study, Ultra-high performance liquid chromatography-time-of-flight-tandem mass spectrometer (UHPLC-Q-TOF-MS/MS) was used to determine the lipids of JG35 and JG39....

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Autores principales: Haiying Zhang, Junyou Wang, Jing Zhao, Changqing Sun, Jin Wang, Qian Wang, Fei Qu, Xiaodong Yun, Zhiwei Feng
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Publicado: Frontiers Media S.A. 2021
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Acceso en línea:https://doaj.org/article/13b0f9a70a664a3f87bb8393362b984f
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spelling oai:doaj.org-article:13b0f9a70a664a3f87bb8393362b984f2021-11-16T06:53:45ZIntegrated Lipidomic and Transcriptomic Analysis Reveals Lipid Metabolism in Foxtail Millet (Setaria italica)1664-802110.3389/fgene.2021.758003https://doaj.org/article/13b0f9a70a664a3f87bb8393362b984f2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fgene.2021.758003/fullhttps://doaj.org/toc/1664-8021Foxtail millet (Setaria italica) as the main traditional crop in China, is rich in many kinds of high quality fatty acids (FAs). In this study, Ultra-high performance liquid chromatography-time-of-flight-tandem mass spectrometer (UHPLC-Q-TOF-MS/MS) was used to determine the lipids of JG35 and JG39. A total of 2,633 lipid molecules and 31 lipid subclasses were identified, mainly including thirteen kinds of glycerophospholipids (GP), eleven kinds of glycerolipids (GL), four kinds of sphingolipids (SP), two kinds of fatty acyls (FA) and one kind of sterol (ST). Among them JG35 had higher contents of diacylglycerols (DG) and ceramides (Cer), while triacylglycerols, phosphatidyl ethanolamine, phosphatidic acid, sterol, fatty acyls and pardiolipin (TG, PE, PA, ST, FA and CL) were higher in JG39. Meantime, the correlation analysis of lipidomics and transcriptomics was used to map the main differential lipid metabolism pathways of foxtail millet. The results shown that a differentially expressed genes (DEGs) of FATA/B for the synthesis of FA was highly expressed in JG35, and the related genes for the synthesis DG (ACCase, KAS, HAD, KCS, LACS and GAPT), TG (DGAT and PDAT) and CL (CLS) were highly expressed in JG39. The results of this study will provide a theoretical basis for the future study of lipidomics, improvement of lipid quality directionally and breeding of idiosyncratic quality varieties in foxtail millet.Haiying ZhangJunyou WangJing ZhaoChangqing SunJin WangQian WangFei QuXiaodong YunZhiwei FengFrontiers Media S.A.articlefoxtail milletUPLC-Q-TOF-MS/MSlipidomicstranscriptomeassociation analysisGeneticsQH426-470ENFrontiers in Genetics, Vol 12 (2021)
institution DOAJ
collection DOAJ
language EN
topic foxtail millet
UPLC-Q-TOF-MS/MS
lipidomics
transcriptome
association analysis
Genetics
QH426-470
spellingShingle foxtail millet
UPLC-Q-TOF-MS/MS
lipidomics
transcriptome
association analysis
Genetics
QH426-470
Haiying Zhang
Junyou Wang
Jing Zhao
Changqing Sun
Jin Wang
Qian Wang
Fei Qu
Xiaodong Yun
Zhiwei Feng
Integrated Lipidomic and Transcriptomic Analysis Reveals Lipid Metabolism in Foxtail Millet (Setaria italica)
description Foxtail millet (Setaria italica) as the main traditional crop in China, is rich in many kinds of high quality fatty acids (FAs). In this study, Ultra-high performance liquid chromatography-time-of-flight-tandem mass spectrometer (UHPLC-Q-TOF-MS/MS) was used to determine the lipids of JG35 and JG39. A total of 2,633 lipid molecules and 31 lipid subclasses were identified, mainly including thirteen kinds of glycerophospholipids (GP), eleven kinds of glycerolipids (GL), four kinds of sphingolipids (SP), two kinds of fatty acyls (FA) and one kind of sterol (ST). Among them JG35 had higher contents of diacylglycerols (DG) and ceramides (Cer), while triacylglycerols, phosphatidyl ethanolamine, phosphatidic acid, sterol, fatty acyls and pardiolipin (TG, PE, PA, ST, FA and CL) were higher in JG39. Meantime, the correlation analysis of lipidomics and transcriptomics was used to map the main differential lipid metabolism pathways of foxtail millet. The results shown that a differentially expressed genes (DEGs) of FATA/B for the synthesis of FA was highly expressed in JG35, and the related genes for the synthesis DG (ACCase, KAS, HAD, KCS, LACS and GAPT), TG (DGAT and PDAT) and CL (CLS) were highly expressed in JG39. The results of this study will provide a theoretical basis for the future study of lipidomics, improvement of lipid quality directionally and breeding of idiosyncratic quality varieties in foxtail millet.
format article
author Haiying Zhang
Junyou Wang
Jing Zhao
Changqing Sun
Jin Wang
Qian Wang
Fei Qu
Xiaodong Yun
Zhiwei Feng
author_facet Haiying Zhang
Junyou Wang
Jing Zhao
Changqing Sun
Jin Wang
Qian Wang
Fei Qu
Xiaodong Yun
Zhiwei Feng
author_sort Haiying Zhang
title Integrated Lipidomic and Transcriptomic Analysis Reveals Lipid Metabolism in Foxtail Millet (Setaria italica)
title_short Integrated Lipidomic and Transcriptomic Analysis Reveals Lipid Metabolism in Foxtail Millet (Setaria italica)
title_full Integrated Lipidomic and Transcriptomic Analysis Reveals Lipid Metabolism in Foxtail Millet (Setaria italica)
title_fullStr Integrated Lipidomic and Transcriptomic Analysis Reveals Lipid Metabolism in Foxtail Millet (Setaria italica)
title_full_unstemmed Integrated Lipidomic and Transcriptomic Analysis Reveals Lipid Metabolism in Foxtail Millet (Setaria italica)
title_sort integrated lipidomic and transcriptomic analysis reveals lipid metabolism in foxtail millet (setaria italica)
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/13b0f9a70a664a3f87bb8393362b984f
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