Wspólnotowy Serwis Informacyjny Badan i Rozwoju - CORDIS

3.1 Identification of auxin responsive promoters in poplar by PCR walking

Promoter sequences have been isolated from Poplar by PCR-walk. They correspond to the promoters of auxin-regulated genes as PttIAA1, PttIAA3, PttparA and PttarcA. Plant expression vectors containing these promoter domains upstream the reporter gene UidA are available. Expression patterns of these constructs have been studied in the model plant Arabidopsis. Homozygous lines for each construct are also available as tissue specific marker lines. These promoters are also available to control gene expression in targeted tissues.

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