Transcriptome and metabolome analysis reveals stage-specific metabolite accumulation during maturity of Chinese black truffle Tuber indicum

doi:10.1016/j.plaphy.2023.108158

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	Transcriptome and metabolome analysis reveals stage-specific metabolite accumulation during maturity of Chinese black truffle Tuber indicum
	Li,Yang; Xing,Yong-Mei; Murat,Claude; Kohler,Annegret; Zhou,Dong-Yu; Yu,Fu-Qiang; Chen,Juan
	2023
发表期刊	PLANT PHYSIOLOGY AND BIOCHEMISTRY
ISSN	1873-2690
卷号	205 页码:108158
摘要	Tuber indicum is the most economically important member of Tuber, with the highest production and widest distribution in China. However, the overexploitation of immature ascocarps not only has driven wild resources of the species toward extinction, but also has caused enconomic losses and a decline in the reputation of T.indicum quality. In this study, stage-specific metabolites of T. indicum in relation to nutritional quality and the mechanism of their accumulations were explored by transcriptome and metabolome analysis at five harvest times, representing four maturation stages. A total of 663 compounds were identified in T. indicum ascocarps by a widely targeted metabolomic approach. Lipid compounds are the most prominent metabolites (18%) in our samples and also are higher accumulation at the immature stage than at mature stage, representing 30.16% differential accumulated metabolites in this stage. Levels of some of the amino acids, such as S-(methyl) glutathione, Sadenosylmethionine, which are known truffle aroma precursors, were increased at the mature stage. The gene expression level related to the biosynthesis of volatile organic compounds were verified by qPCR. This study contributes to the preliminary understanding of metabolites variations in T. indicum ascocarps during maturity for quality evaluation and truffle biology.
关键词	Truffle Volatile organic compounds Lipid Amino acid Saccharide Transcription factors Maturity IDENTIFICATION QUANTIFICATION PCR
DOI	10.1016/j.plaphy.2023.108158
收录类别	SCI
WOS记录号	WOS:001110837400001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/75392
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Li,Yang,Xing,Yong-Mei,Murat,Claude,et al. Transcriptome and metabolome analysis reveals stage-specific metabolite accumulation during maturity of Chinese black truffle Tuber indicum[J]. PLANT PHYSIOLOGY AND BIOCHEMISTRY,2023,205:108158.
APA	Li,Yang.,Xing,Yong-Mei.,Murat,Claude.,Kohler,Annegret.,Zhou,Dong-Yu.,...&Chen,Juan.(2023).Transcriptome and metabolome analysis reveals stage-specific metabolite accumulation during maturity of Chinese black truffle Tuber indicum.PLANT PHYSIOLOGY AND BIOCHEMISTRY,205,108158.
MLA	Li,Yang,et al."Transcriptome and metabolome analysis reveals stage-specific metabolite accumulation during maturity of Chinese black truffle Tuber indicum".PLANT PHYSIOLOGY AND BIOCHEMISTRY 205(2023):108158.

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