Demonstrates the correlation between ascorbate content and gene expression in garlic genotypes, suggesting implications for plant health.
The ascorbate content and gene expression profiles of the L-galactose biosynthetic pathway (AsPMM, AsGMP, AsGME, AsGGP, AsGPP, AsGalDH, AsGalLDH) and recycling pathway (AsMDHAR1, AsDHAR1, AsDHAR2, AsAPX) of L-ascorbic acid (AsA) were determined in the roots and leaves of five garlic (Allium sativum L.) genotypes. It was demonstrated that the ascorbate content in leaves is 11–20 times higher than in roots. Co-expression patterns of the analyzed genes specific to leaves and roots were established. Correlation analysis revealed a significant positive correlation between the AsA content in roots and leaves and the expression levels of AsGME, AsGalDH, AsMDHAR1, and AsDHAR2 genes, and a negative correlation with the expression of AsPMM, AsGGP, and AsGalLDH genes.
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Filyushin et al. (2026) studied this question.
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