FRU (BHLH029) is required for induction of iron mobilization genes in Arabidopsis thaliana

Jakoby M, Wang H-Y, Reidt W, Weisshaar B, Bauer P (2004)
FEBS Letters 577(3): 528-534.

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Iron mobilization responses are induced by low iron supply at transcriptional level. In tomato, the basic helix-loop-helix gene FER is required for induction of iron mobilization. Using molecular-genetic techniques, we analyzed the function of BHLH029, named FRU (FER-like regulator of iron uptake), the Arabidopsis thaliana homolog of the tomato FER gene. The FRU gene was mainly expressed in roots in a cell-specific pattern and induced by iron deficiency. FRU mutant plants were chlorotic, and the FRU gene was found necessary for induction of the essential iron mobilization genes FRO2 (ferric chelate reductase gene) and IRT1 (iron-regulated transporter gene). Overexpression of FRU resulted in an increase of iron mobilization responses at low iron supply. Thus, the FRU gene is a mediator in induction of iron mobilization responses in Arabidopsis, indicating that regulation of iron uptake is conserved in dicot species.
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Jakoby M, Wang H-Y, Reidt W, Weisshaar B, Bauer P. FRU (BHLH029) is required for induction of iron mobilization genes in Arabidopsis thaliana. FEBS Letters. 2004;577(3):528-534.
Jakoby, M., Wang, H. - Y., Reidt, W., Weisshaar, B., & Bauer, P. (2004). FRU (BHLH029) is required for induction of iron mobilization genes in Arabidopsis thaliana. FEBS Letters, 577(3), 528-534. doi:10.1016/j.febslet.2004.10.062
Jakoby, M., Wang, H. - Y., Reidt, W., Weisshaar, B., and Bauer, P. (2004). FRU (BHLH029) is required for induction of iron mobilization genes in Arabidopsis thaliana. FEBS Letters 577, 528-534.
Jakoby, M., et al., 2004. FRU (BHLH029) is required for induction of iron mobilization genes in Arabidopsis thaliana. FEBS Letters, 577(3), p 528-534.
M. Jakoby, et al., “FRU (BHLH029) is required for induction of iron mobilization genes in Arabidopsis thaliana”, FEBS Letters, vol. 577, 2004, pp. 528-534.
Jakoby, M., Wang, H.-Y., Reidt, W., Weisshaar, B., Bauer, P.: FRU (BHLH029) is required for induction of iron mobilization genes in Arabidopsis thaliana. FEBS Letters. 577, 528-534 (2004).
Jakoby, M., Wang, H.-Y., Reidt, W., Weisshaar, Bernd, and Bauer, P. “FRU (BHLH029) is required for induction of iron mobilization genes in Arabidopsis thaliana”. FEBS Letters 577.3 (2004): 528-534.
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