Time-Course Responses of Apple Leaf Endophytes to the Infection of Gymnosporangium yamadae

Apple rust, caused by poses a significant challenge to apple production. Prior studies have underscored the pivotal role played by endophytic microbial communities, intimately linked with the host, in influencing plant diseases and their pathogenic outcomes. The objective of this study is to scrutin...

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Bibliographic Details
Published in:Journal of fungi (Basel) 2024-02, Vol.10 (2), p.128
Main Authors: Li, Yunfan, Tao, Siqi, Liang, Yingmei
Format: Article
Language:English
Subjects:
Endophytes
foliar endophytes
Fungi
Gymnosporangium yamadae
Host plants
Information processing
Leaves
Metabolic pathways
Microbiomes
Microorganisms
Next-generation sequencing
Pathogens
Plant diseases
plant pathogens
plant-microbe interactions
Rust fungi
rust infection
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Summary:Apple rust, caused by poses a significant challenge to apple production. Prior studies have underscored the pivotal role played by endophytic microbial communities, intimately linked with the host, in influencing plant diseases and their pathogenic outcomes. The objective of this study is to scrutinize alternations in endophytic microbial communities within apple leaves at different stages of apple rust using high-throughput sequencing technology. The findings revealed a discernible pattern characterized by an initial increase and subsequent decrease in the alpha diversity of microbial communities in diseased leaves. A microbial co-occurrence network analysis revealed that the complexity of the bacterial community in diseased leaves diminished initially and then rebounded during the progression of the disease. Additionally, employing the PICRUSt2 platform, this study provided preliminary insights into the functions of microbial communities at specific disease timepoints. During the spermogonial stage, endophytic bacteria particularly exhibited heightened activity in genetic information processing, metabolism, and environmental information processing pathways. Endophytic fungi also significantly enriched a large number of metabolic pathways during the spermogonial stage and aecial stage, exhibiting abnormally active life activities. These findings establish a foundation for comprehending the role of host endophytes in the interaction between pathogens and hosts. Furthermore, they offer valuable insights for the development and exploitation of plant endophytic resources, thereby contributing to enhanced strategies for managing apple rust.
ISSN:2309-608X
2309-608X
DOI:10.3390/jof10020128