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NtPDR3 , an iron‐deficiency inducible ABC transporter in Nicotiana tabacum
Author(s) -
Ducos Eric,
Fraysse Å Staffan,
Boutry Marc
Publication year - 2005
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/j.febslet.2005.11.014
Subject(s) - nicotiana tabacum , atp binding cassette transporter , nicotiana , subfamily , transporter , methyl jasmonate , biology , salicylic acid , gene , biochemistry , microbiology and biotechnology , genetics , solanaceae
In plants, the ABC transporter PDR (pleiotropic drug resistance) subfamily is composed of approximately 15 genes, few of which have been analyzed. We have identified NtPDR3 , a Nicotiana tabacum PDR gene belonging to a cluster for which no functional data was previously available. NtPDR3 was found to be induced in suspension cells treated with methyl jasmonate, salicylic acid, 1‐naphthalene acetic acid, or cembrene, a macrocyclic diterpene. In agreement with the identification of a putative iron deficiency element in the NtPDR3 transcription promoter region, we found that iron deficiency in the culture medium induced NtPDR3 expression, thus suggesting a new function of the PDR transporter family.

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