食品科学2026，Vol.47Issue(16)：71-80,10.DOI:10.7506/spkx1002-6630-20260114-116
基于转录组学分析卡利比克迈耶氏酵母诱导梨果抗病性提高的分子机制
Transcriptomic Analysis of the Molecular Mechanisms Underlying Meyerozyma caribbica-Induced Enhancement of Disease Resistance in Pear Fruits
摘要
Abstract
Meyerozyma caribbica is an antagonistic yeast used for biocontrol,which has demonstrated significant control efficacy against postharvest blue mold of pears caused by Penicillium expansum.Storage experiments confirmed that M.caribbica effectively reduced the incidence of postharvest natural decay of pears with no significantly negative impact on postharvest fruit quality throughout the storage period.In order to further analyze the molecular mechanism of M.caribbica-induced enhancement of disease resistance in pears,this study conducted a systematic transcriptomic analysis of gene expression in M.caribbica-treated pears using high-throughput transcriptome sequencing technology.The results showed that M.caribbica treatment induced upregulation of genes related to the plant-pathogen interaction pathway,phytohormone signaling pathway,and reactive oxygen species(ROS)metabolism pathway in pears,as well as those related to the synthesis of resistance substances.These synergistic regulatory effects on gene expression enhanced the response of pears to environmental stress,improved defense mechanisms and disease resistance,and significantly improved the antioxidant capacity and biosynthesis of resistance substances,thereby strengthening postharvest resistance to pathogen infection.This study comprehensively elucidated the effects of M.caribbica on the postharvest quality of pears during storage,and revealed the molecular mechanisms underlying M.caribbica-induced improvement of disease resistance in pears at the transcriptome level.关键词
卡利比克迈耶氏酵母/扩展青霉/梨果/贮藏品质/转录组学分析Key words
Meyerozyma caribbica/Penicillium expansum/pear/storage quality/transcriptomic analysis分类
轻工纺织引用本文复制引用
赵利娜,任晓玥,张明见,胡义泽,张晓云,杨其亚,王凯利,张红印..基于转录组学分析卡利比克迈耶氏酵母诱导梨果抗病性提高的分子机制[J].食品科学,2026,47(16):71-80,10.基金项目
国家自然科学基金面上项目(32372401 （）
32372778 （）
32472414 （）
32472804) （）
江苏高校青蓝工程项目 （）
