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Updated: Nov 15, 2025
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Analysis of Gene Expression in Emerald Ash Borer Agrilus planipennis Using Quantitative Real Time-PCR
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Comparative Transcriptome Analysis Reveals Key Genes and Pathways Involved in Prickle Development in Eggplant
Lei Zhang1, Haoyun Sun1, Tao Xu1
1Jiangsu Key Laboratory of Phylogenomics and Comparative Genomics, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, China.
Genes
|March 6, 2021
Summary
Eggplant prickles, an undesirable trait, were studied using morphological and transcriptome analysis. Key genes in cell cycle, flavonoid biosynthesis, and hormone metabolism were identified, offering potential for developing prickleless eggplant varieties.
Area of Science:
- Plant biology
- Molecular genetics
- Agricultural science
Background:
- Eggplant prickles are an undesirable agronomic trait impacting cultivation and harvesting.
- Limited understanding of prickle development mechanisms hinders genetic improvement efforts.
Purpose of the Study:
- To characterize eggplant prickle morphology and analyze gene expression during development.
- To identify molecular pathways and genes involved in prickle morphogenesis.
Main Methods:
- Phenotypic characterization of prickly and prickleless eggplant genotypes.
- Comparative transcriptome analysis to identify differentially expressed genes.
- Analysis of gene expression within the Pl locus interval.
Main Results:
- Eggplant prickles are multicellular, lignified organs.
- Key pathways identified include cell cycle, flavonoid biosynthesis, photosynthesis, and hormone metabolism.
- Specific transcription factors (bHLH, C2H2, MYB, TCP, WRKY) and four genes at the Pl locus were differentially expressed.
Conclusions:
- This study elucidates molecular mechanisms of eggplant prickle morphogenesis.
- Identified genes offer potential targets for breeding prickleless eggplant cultivars.
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