Gene Details:

• MSU gene ID: LOC_Os01g13030
• RAPdb gene ID: Os01g0231000
• Gene Symbol: OsIAA3
• Genome: MSU7 ,  IRGSP-1.0
• Species: Oryza sativa

Functional Descriptions:

• OsIAA3 is one of these family members whose expression is rapidly increased in response to auxin.
• We produced transgenic rice harboring mOsIAA3-GR, which can overproduce mutant OsIAA3 protein containing an amino acid change in domain II to cause a gain-of-function phenotype, by treatment with dexamethasone.
• Ethylene produced in response to exogenous KT inhibited rice seminal root growth by reducing meristem size via upregulation of OsIAA3 transcription and reduced cell length by downregulating transcription of cell elongation-related genes.
• Moreover, the effects of KT treatment on rice seminal root growth, root meristem size and cell length were rescued by treatment with aminoethoxyvinylglycine (an inhibitor of ethylene biosynthesis), which restored ethylene level and transcription levels of OsIAA3 and cell elongation-related genes.

Function-related keywords:

• auxin ,  iaa ,  root ,  growth ,  ethylene ,  meristem ,  cell-elongation ,  root-meristem ,  root-meristem-size

Literature:

• Structure and expression analysis of early auxin-responsive Aux/IAA gene family in rice (Oryza sativa) .  DOI:  10.1007/s10142-005-0005-0 ;  PMID:  16200395
• Production and characterization of auxin-insensitive rice by overexpression of a mutagenized rice IAA protein .  DOI:  10.1111/j.1365-313X.2006.02693.x ;  PMID:  16623891
• Supraoptimal Cytokinin Content Inhibits Rice Seminal Root Growth by Reducing Root Meristem Size and Cell Length via Increased Ethylene Content .  DOI:  10.3390/ijms19124051 ;  PMID:  30558185

Related News:

Gene Resources:

• NCBI ID:
• UniProt accessions:

Sequences: