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expand all sections collapse all sections Oryza sativa gene "REH1" (GR:0080028)
Species Oryza sativa (Rice) [ GR_tax:013681 ]
Accession GR:0080028
Gene Symbol REH1
Gene Name rice EIR1-like 
Synonyms (4)
E.C. Numbers (0)
Pathway Reactions (0)
Chromosome No. 2
Gene Type CDS (Protein coding)
Has Phenotype yes
Description OsPIN1, previously name REH1, is a putative auxin efflux carrier and a member of PIN1 family, which is involved in auxin-dependent adventitious root emergence and tillering in rice. OsPIN1 is expressed in the vascular tissues and root primordial in a manner similar to AtPIN1 (At1g73590). Adventitious root emergence and development were significantly inhibited in the OsPIN1 RNAi mutants, which is similar to the phenotype of NPA (an auxin-transporter inhibitor)-treated plants. Overexpression or suppression of the OsPIN1 resulted in the changes of tiller numbers and shoot/root ratio. The decrease of adventitious root numbers in OsPIN1 RNAi plants was caused by the arrest of the primordia emergence.
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