Metabolomic and transcriptomic analysis of flavonoids biosynthesis mechanisms in mulberry fruit (Hongguo 2) under exogenous hormone treatments

  • Yifang Wang
  • , Minjuan Zhang
  • , Lijun Bao
  • , Jiangang Long
  • , Xiaopeng Cui
  • , Zelin Zheng
  • , Xiaoxiao Zhao
  • , Yanzhen Huang
  • , Feng Jiao
  • , Chao Su
  • , Yonghua Qian

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

The mulberry fruit is prized for its superior nutrition value and abundant color due to its high flavone content. To enhance comprehension of flavone biogenesis induced by external hormones, we sprayed exogenous ethylene (ETH), indoleacetic acid (IAA) and spermine (SPM) on mulberry fruit (Hongguo 2) during its color-changed period. The levels of anthocyanin, titratable acid, soluble sugar and endogenous hormones were determined after hormone treatment, integrated transcriptome and metabolome analysis were performed for mechanism exploration. Our results indicated that exogenous ETH, SPM, and IAA play important roles in mulberry ripening, including acid reduction, sugar increase and flavonoid synthesis.

Original languageEnglish
Article number108773
JournalPlant Physiology and Biochemistry
Volume212
DOIs
StatePublished - Jul 2024

Keywords

  • ETH
  • Flavone
  • IAA
  • Metabolome
  • Mulberry fruit
  • SPM
  • Transcriptome

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