Gene Details:

• Gene ID: AT5G19040
• Gene Symbol: ATIPT5, IPT5
• Gene Name: Arabidopsis thaliana ISOPENTENYLTRANSFERASE 5, isopentenyltransferase 5
• Description: isopentenyltransferase 5;(source:Araport11)
• TAIR Accession:
• Genome: Araport11_genome_release
• Species: Arabidopsis thaliana

Transcripts:

• AT5G19040.1     AT5G19040.2     AT5G19040.3

Plant Ontology Annotations:

• PO:0009005  — root — raíz (Spanish, exact), radices (exact, plural), radix (exact), 根 (Japanese, exact), aerial root (narrow), climbing root (narrow)

Germplasm Phenotype:

• atipt 5 atipt 6 atipt 7  — No visible phenotype.
• atipt1 atipt 3 atipt 5  — Decreased levels of isopentenyladenosine riboside (iPR) and isopentenyladenosine monophosphate (iPRMP) compared to wild type.
• atipt1 atipt 3 atipt 5  — Increased levels of cis-zeatin riboside (cZR) and cis-zeatin riboside monophosphate (cZRMP) compared to wild type.
• atipt1 atipt 3 atipt 5  — No visible phenotype.
• atipt1 atipt 3 atipt 5 atipt6  — No visible phenotype.
• atipt1 atipt 3 atipt 5 atipt7  — Decreased levels of isopentenyladenosine riboside (iPR) and isopentenyladenosine monophosphate (iPRMP) compared to wild type.
• atipt1 atipt 3 atipt 5 atipt7  — Decreases in free-base iP and tZ are moderate compared to those of the riboside and ribotide forms.
• atipt1 atipt 3 atipt 5 atipt7  — External application of trans-zeatin partially rescues the growth of aerial parts of the mutant, and reduced its lateral root elongation.
• atipt1 atipt 3 atipt 5 atipt7  — Fewer rosette leaves than wild type indicating a prolonged plastochron.
• atipt1 atipt 3 atipt 5 atipt7  — Flowering time is delayed when grown on vermiculite but not on nutrient agar.
• atipt1 atipt 3 atipt 5 atipt7  — Increased levels of cis-zeatin riboside (cZR) and cis-zeatin riboside monophosphate (cZRMP) compared to wild type.
• atipt1 atipt 3 atipt 5 atipt7  — Indistinguishable from wild type in the early stages of development. Phenotypic differences become evident as the plant age.
• atipt1 atipt 3 atipt 5 atipt7  — Levels of iPRMP, iPR, tZRMP, tZR. tZ-7-glucoside, tZ-9-glucoside and tZ-O-glucoside are all reduced to less than 20% of those of wild type.
• atipt1 atipt 3 atipt 5 atipt7  — Rduced shoot apical meristem size and thin inflorescence stems.
• atipt1 atipt 3 atipt 5 atipt7  — Reduced cambial activity and reduced secondary growth in both shoots and roots.
• atipt1 atipt 3 atipt 5 atipt7  — Relative to wild type, both the number of lateral roots (longer than 1cm) and the total length of the lateral roots are increased.
• atipt1 atipt 3 atipt 5 atipt7  — Short and thin aerial parts.
• atipt1 atipt 3 atipt 5 atipt7  — Some seeds are aborted but surviving ones are larger than those of wild type.
• atipt1 atipt 3 atipt 5-1 atipt 6 atipt 7  — Fewer rosette leaves than wild type indicating a prolonged plastochron.
• atipt1 atipt 3 atipt 5-1 atipt 6 atipt 7  — Flowering time is delayed when grown on vermiculite but not on nutrient agar.
• atipt1 atipt 3 atipt 5-1 atipt 6 atipt 7  — Indistinguishable from wild type in the early stages of development. Phenotypic differences become evident as the plant age.
• atipt1 atipt 3 atipt 5-1 atipt 6 atipt 7  — Rduced shoot apical meristem size and thin inflorescence stems.
• atipt1 atipt 3 atipt 5-1 atipt 6 atipt 7  — Short and thin aerial parts.
• atipt1 atipt 3 atipt 5-1 atipt 6 atipt 7  — Some seeds are aborted but surviving ones are larger than those of wild type.
• atipt1 atipt 3 atipt4 atipt5-1 atipt6 atipt7 atipt8  — Thin, small plants.
• atipt1 atipt 5  — No visible phenotype.
• atipt1 atipt 5 atipt 6  — No visible phenotype.
• atipt1 atipt 5 atipt 6 atipt 7  — No visible phenotype.
• atipt1 atipt 5 atipt 7  — No visible phenotype.
• atipt3 atipt 5  — Decreased levels of isopentenyladenosine riboside (iPR) and isopentenyladenosine monophosphate (iPRMP) compared to wild type.
• atipt3 atipt 5  — Increased levels of cis-zeatin riboside (cZR) and cis-zeatin riboside monophosphate (cZRMP) compared to wild type.
• atipt3 atipt 5  — No visible phenotype.
• atipt3 atipt 5 atipt 7  — Decreased levels of isopentenyladenosine riboside (iPR) and isopentenyladenosine monophosphate (iPRMP) compared to wild type.
• atipt3 atipt 5 atipt 7  — Enhanced root growth rate resulting in longer roots.
• atipt3 atipt 5 atipt 7  — Increased levels of cis-zeatin riboside (cZR) and cis-zeatin riboside monophosphate (cZRMP) compared to wild type.
• atipt3 atipt 5 atipt 7  — Levels of iPRMP, iPR, tZRMP, tZR. tZ-7-glucoside, tZ-9-glucoside and tZ-O-glucoside are all reduced to less than 20% of those of wild type.
• atipt3 atipt 5 atipt 7  — Mutant root meristems showed an increased number of meristematic cells already at two days after germination (dpg) and accumulated cells also after five dpg, vastly exceeding the fixed number of cells of wild-type meristems.
• atipt3 atipt 5 atipt 7  — Relative to wild type, both the number of lateral roots (longer than 1cm) and the total length of the lateral roots are increased.
• atipt3 atipt 5 atipt 7  — Short and thin aerial parts.
• atipt3 atipt 5-1 atipt 6 atipt7  — Fewer rosette leaves than wild type indicating a prolonged plastochron.
• atipt3 atipt 5-1 atipt 6 atipt7  — Flowering time is delayed when grown on vermiculite but not on nutrient agar.
• atipt3 atipt 5-1 atipt 6 atipt7  — Indistinguishable from wild type in the early stages of development. Phenotypic differences become evident as the plant age.
• atipt3 atipt 5-1 atipt 6 atipt7  — Rduced shoot apical meristem size and thin inflorescence stems.
• atipt3 atipt 5-1 atipt 6 atipt7  — Short and thin aerial parts.
• atipt3 atipt 5-1 atipt 6 atipt7  — Some seeds are aborted but surviving ones are larger than those of wild type.
• atipt5 atipt7  — Increased levels of cis-zeatin riboside (cZR) and cis-zeatin riboside monophosphate (cZRMP) compared to wild type.
• atipt5-1  — No visible phenotype.
• atipt5-2  — No visible phenotype.
• atipt5-3  — No visible phenotype.

Function-related keywords:

• root

Literature:

• Roles of Arabidopsis ATP/ADP isopentenyltransferases and tRNA isopentenyltransferases in cytokinin biosynthesis.   DOI:  10.1073/pnas.0603522103 ;  PMID:  17062755
• Cytokinins are central regulators of cambial activity.   DOI:  10.1073/pnas.0805619105 ;  PMID:  19074290
• Agrobacterium tumefaciens increases cytokinin production in plastids by modifying the biosynthetic pathway in the host plant.   DOI:  10.1073/pnas.0500793102 ;  PMID:  15998742
• N-glucosyltransferase UGT76C2 is involved in cytokinin homeostasis and cytokinin response in Arabidopsis thaliana.   DOI:  10.1093/pcp/pcr152 ;  PMID:  22051886
• Transcriptome analyses of a salt-tolerant cytokinin-deficient mutant reveal differential regulation of salt stress response by cytokinin deficiency.   DOI:  10.1371/journal.pone.0032124 ;  PMID:  22355415
• Pattern of auxin and cytokinin responses for shoot meristem induction results from the regulation of cytokinin biosynthesis by AUXIN RESPONSE FACTOR3.   DOI:  10.1104/pp.112.203166 ;  PMID:  23124326
• Lateral root formation and growth of Arabidopsis is redundantly regulated by cytokinin metabolism and signalling genes.   DOI:  10.1093/jxb/ert291 ;  PMID:  24023250
• Cytokinin as a mediator for regulating root system architecture in response to environmental cues.   DOI:  10.4161/psb.27771 ;  PMID:  24509549
• Interspecies hormonal control of host root morphology by parasitic plants.   DOI:  10.1073/pnas.1619078114 ;  PMID:  28461500
• Wounding Triggers Callus Formation via Dynamic Hormonal and Transcriptional Changes.   DOI:  10.1104/pp.17.01035 ;  PMID:  28904073
• The role of cytokinin in selenium stress response in Arabidopsis.   DOI:  10.1016/j.plantsci.2019.01.028 ;  PMID:  30824045
• Insights into the Transcriptional Regulation of Branching Hormonal Signaling Pathways Genes under Drought Stress in Arabidopsis.   DOI:  10.3390/genes12020298 ;  PMID:  33672598
• SDG26 Is Involved in Trichome Control in Arabidopsis thaliana: Affecting Phytohormones and Adjusting Accumulation of H3K27me3 on Genes Related to Trichome Growth and Development.   DOI:  10.3390/plants12081651 ;  PMID:  37111875
• 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
• Pluripotency of Arabidopsis xylem pericycle underlies shoot regeneration from root and hypocotyl explants grown in vitro.   DOI:  10.1111/j.1365-313X.2008.03715.x ;  PMID:  18980654

Sequences: