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Verification of 8K GeneChip expression data by RT-PCR. Expression of four genes considered pollen-specific according to 8K GeneChip data in roots (R), stems (S), leaves (L), flowers (F), and pollen (P) were verified by RT-PCR. These are compared with the expression of a constitutively expressed gene (At3g20770) and Rubisco small subunit 1b (At5g38430) as a negative control.
