Analysis of gene expression in the cells isolated by laser capture microdissection from different petal tissues

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Cells from epidermis, parenchyma and vascular bundles were isolated from carnation petals by laser capture microdissection and differential gene expression among these petal tissues was demonstrated. In addition, differential gene expression between adaxial and abaxial sides of parenchyma in a bending zone of carnation petals was revealed by macroarray analysis. One gene encoding lipid transfer protein(DcLTP1) showed relatively high expression level in blade epidermis, while its expression was higher in the adaxial side of parenchyma from the bending zone.