Os06g0193400

The rice Os06g0193400 was reported as OsPTF1 in 2005 by researchers from China.

Annotated Information

Gene Symbol

• Os06g0193400 <=> OsPTF1,PTF1

Phenotypic analysis

• Overexpression of OsPTF1 enhanced tolerance to Pi starvation in transgenic rice.
• Tillering ability, root and shoot biomass, and phosphorus content of transgenic rice plants were about 30% higher than those of the wild-type plants in Pi-deficient conditions in hydroponic experiments.
• In soil pot and field experiments, more than 20% increase in tiller number, panicle weight, and phosphorus content was observed in transgenic plants compared to wild-type plants at low-Pi levels.
• In Pi-deficient conditions, transgenic rice plants showed significantly higher total root length and root surface area, which results in a higher instantaneous Pi uptake rate over their wild-type counterparts.

Function

• OsPTF1 is a Novel Transcription Factor Involved in Tolerance to Phosphate Starvation in Rice

Expression

• The expression of OsPTF1 is Pi starvation induced in roots while constitutively expressed in shoots, as shown by northern-blot analysis.

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Labs working on this gene

• State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310029, People’s Republic of China (K.Y., Z.W., J.Z., L.D., Y.W., P.W.)
• China National Rice Research Institute, Hangzhou 310006, People’s Republic of China (L.G.)