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FRA1 Gene Expression in Arabidopsis Organs.
RNA from different organs was used for reverse transcription–PCR. A ubiquitin gene was used as an internal control. The FRA1 mRNA was detected in all organs, with a lower level of expression in mature leaves and mature roots. The seedlings were 2 weeks old. Mature leaves were from 6-week-old plants. Flowers and mature roots were from 8-week-old plants. Stem I and stem II were from 4- and 8-week- old plants, respectively.
