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Study on the Infection Mechanism of Penicillium Digitatum on Postharvest Citrus (Citrus Reticulata Blanco) Based on Transcriptomics.


ABSTRACT: Penicillium digitatum is one of the most important pathogens known widely to cause postharvest losses of citrus. It is significant to explore its infection mechanism to improve the control technology of postharvest diseases of citrus. This research aimed to study the changes in gene expression of P. digitatum at its early stages of citrus infection by transcriptomics sequencing and bioinformatics analysis in order to explore the molecular mechanism of its infection. The results showed that genes associated with pathogenic factors, such as cell wall degrading enzymes, ethylene, organic acids, and effectors, were significantly up-regulated. Concurrently, genes related to anti-oxidation and iron transport were equally up-regulated at varying degrees. From this study, we demonstrated a simple blueprint for the infection mechanism of P. digitatum in Citrus reticulata Blanco, which provided a new direction for subsequent pathological research and paves the way for developing new control strategies.

SUBMITTER: Yang Q 

PROVIDER: S-EPMC6956011 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Study on the Infection Mechanism of <i>Penicillium Digitatum</i> on Postharvest Citrus (<i>Citrus Reticulata</i> Blanco) Based on Transcriptomics.

Yang Qiya Q   Qian Xin X   Dhanasekaran Solairaj S   Boateng Nana Adwoa Serwah NAS   Yan Xueli X   Zhu Huimin H   He Fangtao F   Zhang Hongyin H  

Microorganisms 20191210 12


<i>Penicillium digitatum</i> is one of the most important pathogens known widely to cause postharvest losses of citrus. It is significant to explore its infection mechanism to improve the control technology of postharvest diseases of citrus. This research aimed to study the changes in gene expression of <i>P. digitatum</i> at its early stages of citrus infection by transcriptomics sequencing and bioinformatics analysis in order to explore the molecular mechanism of its infection. The results sho  ...[more]

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