Os10g0206800

The rice Os10g0206800 was reported as OsFRDL2 in 2016 by researchers from Japan.

Annotated Information

Gene Symbol

• Os10g0206800 <=> OsFRDL2,FRDL2

Function

• OsFRDL2 is contribute to high Al tolerance is relatively small in rice.

Expression

• OsFRDL2 showed an efflux transport activity for citrate when it was expressed in both Xenopus oocytes and cultured tobacco cells.
• OsFRDL2 was mainly expressed in the roots and its expression was not induced by iron (Fe) deficiency, but it was rapidly up-regulated by aluminum (Al).

Phenotypic analysis

• Knockout of OsFRDL2 decreased Al-induced secretion of citrate from the roots, but did not affect the internal citrate concentration.
• The Al-induced inhibition of root elongation was similar between the OsFRDL2 knockout line and its wild-type rice.
• Knockout of OsFRDL2 did not affect the translocation of Fe from the roots to the shoots.
• A double mutant between osfrdl2 and osfrdl4 or osfrdl1 did not further decrease the Al-induced citrate secretion and Fe translocation compared with the single mutant.

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Labs working on this gene

• Institute of Plant Science and Resources, Okayama University, Chuo 2-20-1, Kurashiki,710-0046 Japan.