Study of Pathogenesis-Related Genes in Apple
Author Information
Author(s): Zhang Jiyu, Du Xiaoli, Wang Qingju, Chen Xiukong, Lv Dong, Xu Kuanyong, Qu Shenchun, Zhang Zhen
Primary Institution: College of Horticulture, Nanjing Agricultural University
Hypothesis
The expression pattern of pathogenesis-related (PR) genes in Malus hupehensis will differ in response to salicylic acid, methyl jasmonate, and 1-aminocyclopropane-1-carboxylic acid.
Conclusion
The study found that MhPR1, MhPR5, and MhPR8 genes were induced by salicylic acid, methyl jasmonate, and ACC, showing a distinct expression pattern in Malus hupehensis compared to model plants.
Supporting Evidence
- The expression of MhPR1, MhPR5, and MhPR8 was enhanced during the first 48 hours post-treatment.
- These genes were regarded as marker genes in the systemic acquired resistance response in Malus hupehensis.
- The study indicates that woody plants may have specific signaling pathways in response to pathogens.
Takeaway
The researchers looked at how certain genes in apple trees respond to different treatments, and they found that these genes act differently than in other plants.
Methodology
The study used semi-quantitative RT-PCR to analyze the expression of PR genes in response to treatments with SA, MeJA, and ACC in different plant tissues.
Limitations
The study primarily focused on a limited number of PR genes and did not explore other potential signaling pathways.
Digital Object Identifier (DOI)
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