Gene Details:

• Gene ID: AT3G19160
• Gene Symbol: ATIPT8, IPT8, IPT8, PGA22
• Gene Name: ATP/ADP isopentenyltransferases, ATP/ADP isopentenyltransferases, isopentenyltransferase 8
• Description: ATP/ADP isopentenyltransferase;(source:Araport11)
• TAIR Accession: locus:2094128
• Genome: Araport11_genome_release
• Species: Arabidopsis thaliana

Transcripts:

• AT3G19160.1

Plant Ontology Annotations:

• PO:0009089  — endosperm — albumen (exact), endosperma (Spanish, exact), 内胚乳、胚乳 (Japanese, exact)

Gene Ontology:

• GO:0009507  — located in — chloroplast
• GO:0009691  — involved in — cytokinin biosynthetic process
• GO:0009691  — acts upstream of or within — cytokinin biosynthetic process
• GO:0052623  — enables — ADP dimethylallyltransferase activity
• GO:0052381  — enables — tRNA dimethylallyltransferase activity
• GO:0009824  — enables — AMP dimethylallyltransferase activity
• GO:0006400  — involved in — tRNA modification
• GO:0005739  — is active in — mitochondrion
• GO:0052622  — enables — ATP dimethylallyltransferase activity

Germplasm Phenotype:

• atipt1 atipt 3 atipt4 atipt5-1 atipt6 atipt7 atipt8  — Thin, small plants.
• atipt1 atipt 4 atipt 6 atipt 8  — No visible phenotype.
• atipt1 atipt 6 atipt 8  — No visible phenotype.
• atipt4 atipt 6 atipt 8  — No visible phenotype.
• atipt8-1  — No visible phenotype.

Function-related keywords:

• endosperm

Literature:

• Identification of genes encoding adenylate isopentenyltransferase, a cytokinin biosynthesis enzyme, in Arabidopsis thaliana.   DOI:  10.1074/jbc.M102130200 ;  PMID:  11313355
• Inactivation of the chloroplast ATP synthase gamma subunit results in high non-photochemical fluorescence quenching and altered nuclear gene expression in Arabidopsis thaliana.   DOI:  10.1074/jbc.M308435200 ;  PMID:  14576160
• Roles of Arabidopsis ATP/ADP isopentenyltransferases and tRNA isopentenyltransferases in cytokinin biosynthesis.   DOI:  10.1073/pnas.0603522103 ;  PMID:  17062755
• Agrobacterium tumefaciens increases cytokinin production in plastids by modifying the biosynthetic pathway in the host plant.   DOI:  10.1073/pnas.0500793102 ;  PMID:  15998742
• Cytokinin antagonizes ABA suppression to seed germination of Arabidopsis by downregulating ABI5 expression.   DOI:  10.1111/j.1365-313X.2011.04683.x ;  PMID:  21699589
• A survey of dominant mutations in Arabidopsis thaliana.   DOI:  10.1016/j.tplants.2012.08.006 ;  PMID:  22995285
• Expression of cytokinin biosynthetic isopentenyltransferase genes in Arabidopsis: tissue specificity and regulation by auxin, cytokinin, and nitrate.   DOI:  10.1046/j.1365-313x.2003.01945.x ;  PMID:  14675438

Sequences: