Differential regulation of the two rice ferritin genes (OsFER1 and OsFER2)

The Phytosiderophore Efflux Transporter TOM2 Is Involved in Metal Transport in Rice

“…6). OsFer1 and OsFer2 encode the iron storage protein ferritin, which releases iron under iron deficiency (57). The expression levels of OsFer1 and OsFer2 are down-regulated under iron deficiency and up-regulated under iron excess conditions (57).…”

“…OsFer1 and OsFer2 encode the iron storage protein ferritin, which releases iron under iron deficiency (57). The expression levels of OsFer1 and OsFer2 are down-regulated under iron deficiency and up-regulated under iron excess conditions (57). Decreases in OsFer expression and the slight induction of TOM1 and OsIRO2 in TOM2 RNAi rice suggest that TOM2 RNAi plants are physiologically deficient in iron compared with NT plants.…”

Genetic Improvement of Iron Toxicity Tolerance in Rice-Progress, Challenges and Prospects in West Africa

“…To date, molecular mechanisms under excess Fe conditions have not been studied in detail. The expression level of ferritin genes, OsFER1 and OsFER2, were increased in leaves under Fe toxicity conditions (Silveira et al, 2009;Stein et al, 2009). A recent study revealed the presence of seven QTLs and three QTLs for leaf bronzing score in a F8 recombinant inbred population derived from IR 29/Pokkali and a backcross population derived from Nipponbare/Kasalath/Nipponbare, respectively (Wu et al, 2014).…”

Detection of Chromosomal Regions Affecting Iron Concentration in Rice Shoots Subjected to Excess Ferrous Iron Using Chromosomal Segment Substitution Lines betweenJaponicaandIndica

“…However, molecular mechanisms under the excess ferrous iron conditions have not been studied in detail, except that the expression level of ferritin genes, OsFER1 and OsFER2, were increased in leaves under the excess ferrous iron conditions (Silveira et al, 2009;Stein et al, 2009).…”