... 11:19http://www.biomedcentral.com/1471-2229/11/19Page 8 of 10RESEARCH ARTICLE Open Access The transcription factor PHR1 plays a key role in the regulation of sulfate shoot-to-root flux upon phosphate starvation in ArabidopsisHatem ... Kataoka T, Watanabe-Takahashi A, Hayashi N, Ohnishi M, Mimura T,Buchner P, Hawkesford MJ, Yamaya T, Takahashi H: Vacuolar sulfate transporters are essential determinants controlling internal ... Takahashi H, Watanabe-Takahashi A, Smith FW, Blake-Kalff M,Hawkesford MJ, Saito K: The roles of three functional sulphatetransporters involved in uptake and translocation of sulphate in Arabidopsis...