OsPht1;7,OsPT7

2015-01-20 | Categories genes  | Tags vascular bundle  growth  grain  pollen  anther  sheath  grain yield  yield  vegetative  reproductive  transporter  phloem  anther development  reproductive growth  phosphate  phosphorus  Pi  pi  phosphate transport  pi 

• Information
  • Symbol: OsPht1;7,OsPT7
  • MSU: LOC_Os03g04360
  • RAPdb: Os03g0136400
• Publication
  • Rice phosphate transporters include an evolutionarily divergent gene specifically activated in arbuscular mycorrhizal symbiosis, 2002, Proc Natl Acad Sci U S A.
  • The Rice Phosphate Transporter OsPHT1;7 Plays a Dual Role in Phosphorus Redistribution and Anther Development., 2022, Plant Physiol.
• Genbank accession number
  • AF536967
  • AK107027
  • AF536967
  • AK107027
• Key message
  • A further fine-localization analysis by immunostaining showed that OsPHT1;7 expression was restricted in the vascular bundle sheath and phloem of source leaves and enlarged-vascular bundles of nodes
  • Taken together, our results provide evidence that OsPHT1;7 is a crucial Pi transporter for Pi transport and recycling within rice plants, stimulating both the vegetative and reproductive growth
  • Moreover, the germination of pollen grains was significantly inhibited upon OsPHT1;7 mutation, leading to a<80><U+383C><U+3E39>><80><U+383C><U+3E39>80% decrease in seed-setting rate and grain yield
  • The Rice Phosphate Transporter OsPHT1;7 Plays a Dual Role in Phosphorus Redistribution and Anther Development.
  • Yeast complementation and Xenopus laevis oocyte assay demonstrated that OsPHT1;7 could mediate Pi transport
• Connection
  • OsMYB4P, OsPht1;7~OsPT7, Overexpression of OsMYB4P, an R2R3-type MYB transcriptional activator, increases phosphate acquisition in rice, Overexpression of OsMYB4P led to greater expression of Pi transporter-family proteins OsPT1, OsPT2, OsPT4, OsPT7, and OsPT8 in shoots, and to decreased or unchanged expression of these proteins in roots, with the exception of OsPT8.

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