期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/ijms22062837
关键词
PVX; gene expression regulation; RNA-seq; Solanum tuberosum; potato virology; virus movement; host-pathogen interactions; antiviral defense; potexvirus
资金
- National Science Foundation [1759034]
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [1759034] Funding Source: National Science Foundation
This study characterized the cellular transcriptome responses to PVX infection in Russet potato, identifying a large number of differentially expressed genes related to signal transduction, stress response, and pathogen resistance. Key stress-related transcription factors and pathogen resistance gene analogs were identified, shedding light on major transcriptional regulatory networks involved in early response to PVX infection.
Potato virus X (PVX) belongs to genus Potexvirus. This study characterizes the cellular transcriptome responses to PVX infection in Russet potato at 2 and 3 days post infection (dpi). Among the 1242 differentially expressed genes (DEGs), 268 genes were upregulated, and 37 genes were downregulated at 2 dpi while 677 genes were upregulated, and 265 genes were downregulated at 3 dpi. DEGs related to signal transduction, stress response, and redox processes. Key stress related transcription factors were identified. Twenty-five pathogen resistance gene analogs linked to effector triggered immunity or pathogen-associated molecular pattern (PAMP)-triggered immunity were identified. Comparative analysis with Arabidopsis unfolded protein response (UPR) induced DEGs revealed genes associated with UPR and plasmodesmata transport that are likely needed to establish infection. In conclusion, this study provides an insight on major transcriptional regulatory networked involved in early response to PVX infection and establishment.
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