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Hafiz Muhammad Rizwan
Lin Zhimin
Wiwiek Harsonowati
Abdul Waheed
Yang Qiang
Ahmed Fathy Yousef
Nigarish Munir
Xiaoxia Wei
Sandra S. Scholz
Michael Reichelt
Ralf Oelmüller and Faxing Chen
disease management
ITS-rDNA sequence
metabolic profiling
pathogenic fungi
transcriptomics
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.
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
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2021-10-19T12:46:18+02:00
LaTeX with hyperref
2021-10-19T14:48:03+02:00
disease management; ITS-rDNA sequence; metabolic profiling; pathogenic fungi; transcriptomics
pdfTeX-1.40.21
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