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HomeProduct name listtrans-Zeatin

trans-Zeatin

Synonym(s):6-(4-Hydroxy-3-methylbut-2-enylamino)purine;N6-(4-Hydroxy-3-methyl-2-buten-1-yl)adenine

  • CAS NO.:1637-39-4
  • Empirical Formula: C10H13N5O
  • Molecular Weight: 219.24
  • MDL number: MFCD00213654
  • EINECS: 605-343-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-20 11:41:24
trans-Zeatin Structural

What is trans-Zeatin?

Description

trans-Zeatin is a cytokinin plant growth regulator with antioxidant and neuroprotective activities. It binds to the cytokinin receptor Arabidopsis histidine kinase 3 (AHK3) with a KD value of 1.3 nM. trans-Zeatin increases chlorophyll levels in etiolated Cucumus sativus cotyledons in a concentration-dependent manner. It increases callus growth and shoot formation in N. tabacum calluses when used at concentrations of 5 and 50 μM. trans-Zeatin (25-100 μM) reduces production of reactive oxygen species (ROS) induced by amyloid β (25-35) (Aβ25-35) in PC12 cells. It reduces scopolamine-induced spontaneous alternations in the Y-maze, indicating enhanced spatial memory, in mice when administered at doses of 1.5, 3, and 4.5 mg/kg per day.

Chemical properties

white to light yellow crystal powder

Physical properties

Trans-zeatin is freely soluble in acetic acid and water.

The Uses of trans-Zeatin

Labelled Zeatin. It is purified from Zea mays, is a member of the cytokinin group of plant growth factors, the activity of which is attributed to its more stable trans form -induced matrix metalloproteinase-1 expression via MAP kinase signaling in human skin fibroblasts. Trans-Zeatin is a potential agent for the management of skin photoaging.

The Uses of trans-Zeatin

Zeatin, purified from Zea mays, is a member of the cytokinin group of plant growth factors, the activity of which is attributed to its more stable trans form. Trans-Zeatin inhibits UVB-induced matrix metalloproteinase-1 expression via MAP kinase signaling in human skin fibroblasts. Trans-Zeatin is a potential agent for the management of skin photoaging.

What are the applications of Application

trans-Zeatin is a member of cytokinin family of plant growth regulators

Definition

ChEBI: The trans-isomer of zeatin.

Definition

Increased levels of cytokinins such as trans-zeatin, which are considered highly active, induced resistance against mainly (hemi)biotrophic pathogens in different plant species. In contrast, cis-zeatin is commonly regarded as a cytokinin exhibiting low or no activity [1].

General Description

trans-Zeatin contains a hydroxylated isoprenoid side chain.

Biochem/physiol Actions

Zeatin upon reduction forms zeatin O-glucoside, which is widely present in plants. It possesses transportation and storage functions, along with defence against zeatin oxidases.

Purification Methods

Purify zeatin by recrystallisation from EtOH or H2O. The UV has max at 207 and 275nm ( 1,400 and 14,650) in 0.1N aqueous HCl; 212 and 270nm ( 17,050 and 16,150) in aqueous buffer pH 7.2; 220 and 276nm ( 15,900 and 14,650) in 0.1N aqueous NaOH. The picrate has m 192-194o (from H2O) from which zeatin can be recovered by treatment with Dowex-1 x 8 (200-400 mesh, OH-form). [Letham et al. Aust J Chem 22 205 1969, Proc Chem Soc (London) 230 1964, Shaw & Wilson Proc Chem Soc (London) 231 1964.] It is a cell division factor (plant growth regulator) [Letham & Palni Ann Rev Plant Physiol 34 163 1983] and inhibits mitochondrial function [Miller Plant Physiol 69 1274 1982]. The commercially available trans -9-riboside derivative, [6025-53-2], M 351.4,is a cytokine which separates from aqueous AcOH with m 177-179o. It solubility in AcOH is ~5%. [McDonald & Morris Methods Enzymol 100 347 1985].

References

[1] Dominik K Gro?kinsky. “Cis- and trans-zeatin differentially modulate plant immunity.” Plant Signaling Behavior 8 7 (2013): e24798.

Properties of trans-Zeatin

Melting point: 207 °C
Boiling point: 395.0±52.0 °C(Predicted)
Density  1.40±0.1 g/cm3(Predicted)
storage temp.  -20°C
solubility  H2O: soluble
form  powder
pka 14.77±0.10(Predicted)
color  off-white to yellow
Merck  14,10117
BRN  616241
InChI InChI=1S/C10H13N5O/c1-7(4-16)2-3-11-9-8-10(13-5-12-8)15-6-14-9/h2,5-6,16H,3-4H2,1H3,(H2,11,12,13,14,15)/b7-2+
CAS DataBase Reference 1637-39-4(CAS DataBase Reference)
EPA Substance Registry System Zeatin (1637-39-4)

Safety information for trans-Zeatin

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.

Computed Descriptors for trans-Zeatin

InChIKey UZKQTCBAMSWPJD-FARCUNLSSA-N
SMILES C(O)/C(/C)=C/CNC1=C2C(=NC=N1)NC=N2

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