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Protein Disulfide Isomerase CfPdi1 Is Required for Response to ER Stress, Autophagy, and Pathogenicity in Colletotrichum fructicola
Camellia oleifera, a woody plant indigenous to China, is primarily utilized for the production of cooking oil. However, it is frequently afflicted by anthracnose, a highly detrimental disease that leads to significant annual losses. Colletotrichum fructicola is the predominant etiological agent responsible for anthracnose in Ca. oleifera. Additionally, our investigation has revealed that a bZIP transcription factor CfHac1 in C. fructicola governs the pathogenicity and response to endoplasmic reticulum stress. In this study, we conducted an investigation of the role of the CfPDI1 gene in C. fructicola, which was significantly downregulated in ΔCfhac1 under endoplasmic reticulum stress. The CfPDI1 gene was deleted, resulting in reduced vegetative growth, conidiation, appressoria formation, and appressorium turgor generation. Furthermore, it was observed that the ΔCfpdi1 mutant exhibited impaired responsiveness to endoplasmic reticulum stresses, and the expression of UPR-related genes in C. fructicola was influenced by CfPdi1. Cytological investigations indicated that CfPdi1 is localized in the endoplasmic reticulum. Further analysis revealed that the ΔCfpdi1 mutant displays significantly reduced pathogenicity in Ca. oleifera. Taken together, this study illustrated crucial functions of CfPdi1 in development, response to ER stress, autophagy, and pathogenicity in C. fructicola.
Protein Disulfide Isomerase CfPdi1 Is Required for Response to ER Stress, Autophagy, and Pathogenicity in Colletotrichum fructicola
Camellia oleifera, a woody plant indigenous to China, is primarily utilized for the production of cooking oil. However, it is frequently afflicted by anthracnose, a highly detrimental disease that leads to significant annual losses. Colletotrichum fructicola is the predominant etiological agent responsible for anthracnose in Ca. oleifera. Additionally, our investigation has revealed that a bZIP transcription factor CfHac1 in C. fructicola governs the pathogenicity and response to endoplasmic reticulum stress. In this study, we conducted an investigation of the role of the CfPDI1 gene in C. fructicola, which was significantly downregulated in ΔCfhac1 under endoplasmic reticulum stress. The CfPDI1 gene was deleted, resulting in reduced vegetative growth, conidiation, appressoria formation, and appressorium turgor generation. Furthermore, it was observed that the ΔCfpdi1 mutant exhibited impaired responsiveness to endoplasmic reticulum stresses, and the expression of UPR-related genes in C. fructicola was influenced by CfPdi1. Cytological investigations indicated that CfPdi1 is localized in the endoplasmic reticulum. Further analysis revealed that the ΔCfpdi1 mutant displays significantly reduced pathogenicity in Ca. oleifera. Taken together, this study illustrated crucial functions of CfPdi1 in development, response to ER stress, autophagy, and pathogenicity in C. fructicola.
Protein Disulfide Isomerase CfPdi1 Is Required for Response to ER Stress, Autophagy, and Pathogenicity in Colletotrichum fructicola
Sizheng Li (Autor:in) / Jiajia Chen (Autor:in) / He Li (Autor:in)
2023
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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