Iron deficiency enhances cadmium uptake and translocation mediated by the Fe2+ transporters OsIRT1 and OsIRT2 in rice

By H. Nakanishi, Ippei Ogawa, Yasuhiro Ishimaru, S. Mori, N. Nishizawa. 2006

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View Paper: https://www.semanticscholar.org/paper/d157ad098f18f1e82e2f86f03168ff11569bca2f

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In Plant Science

In Pollution

C. Kao
J. Ma

Citations in the corpus

Iron uptake, translocation, and regulation in higher plants. (2012, background): “Fe deficiency–induced expression of these members, such as Arabidopsis IRT1 and rice OsIRT1, is thought to be a major route for accumulation of harmful metals, including Cd under Fe deficiency (76, 81, 112).”
Gene limiting cadmium accumulation in rice (2010, background): “For example, IRT1, a ferrous iron uptake transporter, is also able to transport Cd in Arabidopsis and rice (21, 22).”
Ecological Potential of Plants for Phytoremediation and Ecorestoration of Fly Ash Deposits and Mine Wastes (2018, background): “Therefore, IRT1, IRT2 can be primarily responsible for Cd uptake into the root, accumulation and translocation (Nakanishi et al., 2006) (Figure 3C).”
Salicylic acid-mediated hydrogen peroxide accumulation and protection against Cd toxicity in rice leaves (2010, background): “A role for OsIRT1 in Cd transport has been previously investigated in yeast (Nakanishi et al. 2006).”
Quantitative estimation of the contribution of the phloem in cadmium transport to grains in rice plants (Oryza sativa L.) (2007, background): “In particular, Nakanishi et al. (2006 ) reported iron deficiency enhances Cd uptake in rice and suggested accumulation in rice grains mediated by the Fe transport system.”
Iron supply prevents Cd uptake in Arabidopsis by inhibiting IRT1 expression and favoring competition between Fe and Cd uptake (2017, background): “IRT1 expression in roots was induced by Fe-deficiency (Vert et al. 2002; Nakanishi et al. 2006), but was it greatly inhibited under Fesufficient conditions (Cohen et al. 1998; Lombi et al. 2002; Sharma et al. 2004; Shao et al. 2007; Fan et al. 2014).”
Time course analysis of gene regulation under cadmium stress in rice (2009, background): “Among the ZIP family of Arabidopsis and rice, AtIRT1, OsIRT1, and OsIRT2, which are Fe transporters, and OsZIP1, which is a Zn transporter, have been shown to transport Cd (Korshunova et al. 1999; Nakanishi et al. 2006).”
Xylem and phloem transport of Cd, Zn and Fe into the grains of rice plants (Oryza sativa L.) grown in continuously flooded Cd-contaminated soil (2010, unknown): “Nakanishi et al. (2006) proposed that the Fe 2+ transporters OsITR1 and OsIRT2 may act as Cd 2+ transporters in rice, although the involvement of other transporters such as OsZIP1 cannot be ruled out.”
The timing of grain Cd accumulation in rice plants: the relative importance of remobilisation within the plant and root Cd uptake post-flowering (2011, result): “The concentration of Cd used in this study was 50 nM (McLaughlin et al. 1998; Smolders and McLaughlin 1996), which is at least three orders of magnitude lower than that of many hydroponic studies, and 40–50 times lower than the concentrations used in some similar reports on nutrition and Cd uptake i”
Rice phenolics efflux transporter 2 (PEZ2) plays an important role in solubilizing apoplasmic iron (2011, background): “In plants, cadmium (Cd) is partly transported through the Fe uptake system (Ogawa et al. 2009; Takahashi et al. 2011; Nakanishi et al. 2006; Vert et al. 2002; Connolly et al. 2002).”
Nramp5 Is a Major Transporter Responsible for Manganese and Cadmium Uptake in Rice[C][W] (2012, background): “Since IRT1 was reported to play a role in the uptake of Fe and Cd (Ishimaru et al., 2006; Nakanishi et al., 2006), we examined the expression of IRT1 in the nramp5 knockout mutant at different Fe concentrations.”