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Identification of Fungal Pathogens to Control Postharvest Passion Fruit (Passiflora edulis) Decays and Multi-Omics Comparative Pathway Analysis Reveals Purple Is More Resistant to Pathogens than a Yellow Cultivar

文献类型： 外文期刊

作者： Rizwan, Hafiz Muhammad 1 ; Lin Zhimin 2 ; Harsonowati, Wiwiek 3 ; Waheed, Abdul 4 ; Yang Qiang 1 ; Yousef, Ahmed Fa 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Coll Hort, Fuzhou 350002, Peoples R China

2.Fujian Acad Agr Sci, Inst Biotechnol, Fuzhou 350002, Peoples R China

3.Ibaraki Univ, Coll Agr, Dept Bioresource Sci, 3-21-1 Chuuo, Ami, Inashiki 3000393, Japan

4.Fujian Agr & Forestry Univ, Key Lab Bio Pesticide & Chem Biol, Minist Educ, Fuzhou 350002, Peoples R China

5.Univ Al Azhar, Coll Agr, Dept Hort, Branch Assiut, Assiut 71524, Egypt

6.Fujian Acad Agr Sci, Fruit Res Inst, Fuzhou 350002, Peoples R China

7.Friedrich Schiller Univ Jena, Matthias Schleiden Inst, Plant Physiol, Dornburger Str 159, D-07743 Jena, Germany

8.Max Planck Inst Chem Ecol, Dept Biochem, Hans Knoll Str 8, D-07745 Jena, Germany

关键词： disease management; ITS-rDNA sequence; metabolic profiling; pathogenic fungi; transcriptomics

期刊名称：JOURNAL OF FUNGI （ 影响因子：5.816； 五年影响因子：6.499 ）

ISSN：

年卷期： 2021 年 7 卷 10 期

页码：

收录情况： SCI

摘要： Production of passion fruit (Passiflora edulis) is restricted by postharvest decay, which limits the storage period. We isolated, identified, and characterized fungal pathogens causing decay in two passion fruit cultivars during two fruit seasons in China. Morphological characteristics and nucleotide sequences of ITS-rDNA regions identified eighteen isolates, which were pathogenic on yellow and purple fruit. Fusarium kyushuense, Fusarium concentricum, Colletotrichum truncatum, and Alternaria alternata were the most aggressive species. Visible inspections and comparative analysis of the disease incidences demonstrated that wounded and non-wounded yellow fruit were more susceptible to the pathogens than the purple fruit. Purple cultivar showed higher expression levels of defense-related genes through expression and metabolic profiling, as well as significantly higher levels of their biosynthesis pathways. We also found fungi with potential beneficial features for the quality of fruits. Our transcriptomic and metabolomics data provide a basis to identify potential targets to improve the pathogen resistance of the susceptible yellow cultivar. The identified fungi and affected features of the fruit of both cultivars provide important information for the control of pathogens in passion fruit industry and postharvest storage.

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