Pisatin

CAS# 20186-22-5

Pisatin

Catalog No. BCN3912----Order now to get a substantial discount!

Product Name & Size Price Stock
Pisatin: 5mg $828 In Stock
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Quality Control of Pisatin

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Chemical structure

Pisatin

3D structure

Chemical Properties of Pisatin

Cas No. 20186-22-5 SDF Download SDF
PubChem ID 107880 Appearance Powder
Formula C17H14O6 M.Wt 314.3
Type of Compound Phenols Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
SMILES COC1=CC2=C(C=C1)C3C(CO2)(C4=CC5=C(C=C4O3)OCO5)O
Standard InChIKey LZMRDTLRSDRUSU-DLBZAZTESA-N
Standard InChI InChI=1S/C17H14O6/c1-19-9-2-3-10-12(4-9)20-7-17(18)11-5-14-15(22-8-21-14)6-13(11)23-16(10)17/h2-6,16,18H,7-8H2,1H3/t16-,17+/m0/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of Pisatin

The herbs of Pisum sativum L.

Biological Activity of Pisatin

Description1. Pisatin is an isoflavonoid phytoalexin synthesized by pea (Pisum sativum L.).
TargetsP450 (e.g. CYP17) | NADPH-oxidase

Pisatin Dilution Calculator

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Pisatin Molarity Calculator

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Preparing Stock Solutions of Pisatin

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.1817 mL 15.9084 mL 31.8167 mL 63.6335 mL 79.5418 mL
5 mM 0.6363 mL 3.1817 mL 6.3633 mL 12.7267 mL 15.9084 mL
10 mM 0.3182 mL 1.5908 mL 3.1817 mL 6.3633 mL 7.9542 mL
50 mM 0.0636 mL 0.3182 mL 0.6363 mL 1.2727 mL 1.5908 mL
100 mM 0.0318 mL 0.1591 mL 0.3182 mL 0.6363 mL 0.7954 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Pisatin

Characterization of pisatin-inducible cytochrome p450s in fungal pathogens of pea that detoxify the pea phytoalexin pisatin.[Pubmed:11407884]

Fungal Genet Biol. 2001 Jun;33(1):37-48.

Many fungi that are pathogenic on pea have the ability to demethylate and thus detoxify the pea phytoalexin Pisatin. This detoxification reaction has been studied most thoroughly in Nectria haematococca MP VI where it functions as a virulence trait. The enzyme catalyzing this reaction [Pisatin demethylase (pda)] is a cytochrome P450. In the current study, the induction of whole-cell pda activity and the biochemical properties of pda in microsomal preparations from the pea pathogens Ascochyta pisi, Mycosphaerella pinodes, and Phoma pinodella are compared to the pda produced by N. haematococca. Based on cofactor requirements and their inhibition by carbon monoxide, cytochrome P450 inhibitors, and antibodies to NADPH:cytochrome P450 reductase, we conclude that the pdas from the other pea pathogens also are cytochrome P450s. All of the enzymes show a rather selective induction by Pisatin, have a low K(m) toward Pisatin, and have a fairly high degree of specificity toward Pisatin as a substrate, suggesting that each pathogen may have a specific cytochrome P450 for detoxifying this plant antibiotic. Since the pdas in these fungi differ in their pattern of sensitivity to P450 inhibitors and display other minor biochemical differences, we suggest that these fungi may have independently evolved a specialized cytochrome P450 as a virulence trait for a common host.

Introduction of plant and fungal genes into pea (Pisum sativum L.) hairy roots reduces their ability to produce pisatin and affects their response to a fungal pathogen.[Pubmed:15242174]

Mol Plant Microbe Interact. 2004 Jul;17(7):798-804.

Pisatin is an isoflavonoid phytoalexin synthesized by pea (Pisum sativum L.). Previous studies have identified two enzymes apparently involved in the synthesis of this phytoalexin, isoflavone reductase (IFR), which catalyzes an intermediate step in Pisatin biosynthesis, and (+)6a-hydroxymaackiain 3-O-methyltransferase (HMM), an enzyme catalyzing the terminal step. To further evaluate the involvement of these enzymes in Pisatin biosynthesis, sense- and antisense-oriented cDNAs of Ifr and Hmm fused to the 35s CaMV promoter, and Agrobacterium rhizogenes, were used to produce transgenic pea hairy root cultures. PDA, a gene encoding Pisatin demethylating activity (pda) in the pea-pathogenic fungus Nectria haematococca, also was used in an attempt to reduce Pisatin levels. Although hairy root tissue with either sense or antisense Ifr cDNA produced less Pisatin, the greatest reduction occurred with sense or antisense Hmm cDNA. The reduced Pisatin production in these lines was associated with reduced amounts of Hmm transcripts, HMM protein, and HMM enzyme activity. Hairy roots containing the PDA gene also produced less Pisatin. To evaluate the role of Pisatin in disease resistance, the virulence of N. haematococca on the transgenic roots that produced the lowest levels of Pisatin was tested. Hairy roots expressing antisense Hmm were more susceptible than the control hairy roots to isolates of N. haematococca that are either virulent or nonvirulent on wild-type pea plants. This appears to be the first case of producing transgenic plant tissue with a reduced ability to produce a phytoalexin and demonstrating that such tissue is less resistant to fungal infection: these results support the hypothesis that phytoalexin production is a disease resistance mechanism.

EDTA a novel inducer of pisatin, a phytoalexin indicator of the non-host resistance in peas.[Pubmed:25546618]

Molecules. 2014 Dec 23;20(1):24-34.

Pea pod endocarp suppresses the growth of an inappropriate fungus or non-pathogen by generating a "non-host resistance response" that completely suppresses growth of the challenging fungus within 6 h. Most of the components of this resistance response including Pisatin production can be elicited by an extensive number of both biotic and abiotic inducers. Thus this phytoalexin serves as an indicator to be used in evaluating the chemical properties of inducers that can initiate the resistance response. Many of the Pisatin inducers are reported to interact with DNA and potentially cause DNA damage. Here we propose that EDTA (ethylenediaminetetraacetic acid) is an elicitor to evoke non-host resistance in plants. EDTA is manufactured as a chelating agent, however at low concentration it is a strong elicitor, inducing the phytoalexin Pisatin, cellular DNA damage and defense-responsive genes. It is capable of activating complete resistance in peas against a pea pathogen. Since there is also an accompanying fragmentation of pea DNA and alteration in the size of pea nuclei, the potential biochemical insult as a metal chelator may not be its primary action. The potential effects of EDTA on the structure of DNA within pea chromatin may assist the transcription of plant defense genes.

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