NtPDR3, an iron-deficiency inducible ABC transporter in Nicotiana tabacum

被引：44

作者：

Ducos, E ^{[1
]}

Fraysse, ÅS ^{[1
]}

Boutry, M ^{[1
]}

机构：

[1] Catholic Univ Louvain, Inst Sci Vie, Unite Biochim Physiol, B-1348 Louvain, Belgium

来源：

FEBS LETTERS | 2005年 / 579卷 / 30期

关键词：

PDR; ABC transporter; tobacco BY2; methyl jasmonate; iron deficiency;

D O I：

10.1016/j.febslet.2005.11.014

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

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. (c) 2005 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.

引用

页码：6791 / 6795

页数：5

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