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Items 16 of 16
ALX-270-082 Revised 28-Jan-05
Conduritol B epoxide
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PRODUCT LINE Obesity & Adipokines
PRODUCT CATEGORY Glycosidases / Related Products
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ALX-270-082-M005   5 mg 35.00 USD Add To Cart
ALX-270-082-M025   25 mg 140.00 USD Add To Cart
Product Specification
FORMULA: C6H10O5
MW: 162.1
CAS NUMBER: 6090-95-5
PURITY: ≥97%
APPEARANCE: White solid.
SOLUBILITY: Soluble in water or DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from moisture.

Product Description
Irreversible, high-potency inhibitor of various plant β-glucosidases and mammalian glucocerebrosidase. Used in vitro and animal models for study of Gaucher's disease.
Product Specific Literature References
[Mechanism of action of glycoside-splitting enzymes. V. Labelling of the active center of beta-glucosidases A and B from sweet almond emulsin with (3H)6-bromo-6-deoxyconduritol B epoxide]: G. Legler; Hoppe-Seyler's Z. Physiol. Chem. 351, 25 (1970) Abstract
The Gaucher mouse: differential action of conduritol B epoxide and reversibility of its effects: M.C. Stephens, et al.; J. Neurochem. 30, 1023 (1978) Abstract
Destruction and resynthesis of mouse beta-glucosidases: A. Hara & N.S. Radin; Biochim. Biophys. Acta 582, 412 (1979) Abstract
beta-Glucosidase inhibition in murine peritoneal macrophages by conduritol-B-epoxide: an in vitro model of the Gaucher cell: D.S. Newburg, et al.; Biochim. Biophys. Acta 877, 121 (1986) Abstract
Normalization of liver glucosylceramide levels in the "Gaucher" mouse by phosphatidylserine injection: S.C. Datta and N.S. Radin; BBRC 152, 155 (1988) Abstract
Further Categories Containing This Product:
Plant Research Reagents / Related Products
 
 
ALX-340-062 Revised 18-Feb-08
Methyl Phytoprostane B1 (Type I) (racemic)
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SYNONYMS Methyl-8-(2-((E)-3-hydroxypent-1-enyl)-5-oxocyclopent-1-enyl)octanoate (racemic)
PRODUCT LINE Inflammation
PRODUCT CATEGORY Eicosanoids Other Products
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ALX-340-062-M005   5 mg 390.00 USD Add To Cart
Product Specification
FORMULA: C19H30O4
MW: 322.5
SOURCE/HOST: Synthetic.
PURITY: ≥95% (13C-NMR)
APPEARANCE: Colourless liquid.
SOLUBILITY: Soluble in 100% ethanol, methanol, ether, ethyl acetate or halogenic solvents.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light and moisture.
HAZARD: IRRITANT.
IDENTITY: Determined by 1H-NMR, 13C-NMR and MS.

Product Description
Prostaglandin/jasmonate-like product of nonenzymatic lipid peroxidation. Occurs ubiquitously in healty plants and increases in response to oxidative stress. Could potentially be used as a marker of oxidative degradation of plant derived food. Powerful inducer of glutathione-S-transferase, jasmonic acid and other stress related responses. The role of phytoprostanes in human nutrition is not clarified yet, but they are associated with inhibition of dendritic cell interleukin-12 production and augmentation of TH2 cell polarization.
Product Specific Literature References
The isoprostanoid pathway in plants: I. Thoma, et al.; Chem. Phys. Lipids 128, 135 (2004) Abstract
B1-phytoprostanes trigger plant defense and detoxification responses: C. Loeffler, et al.; Plant Physiol. 137, 328 (2005) Abstract
A flexible synthesis of the phytoprostanes B1 type I and II: S. El Fangour, et al.; J. Org. Chem. 70, 989 (2005) Abstract
Pollen-associated phytoprostanes inhibit dendritic cell interleukin-12 production and augment T helper type 2 cell polarization: C. Traidl-Hoffmann, et al.; J. Exp. Med. 201, 627 (2005) Abstract; Full Text
Further Categories Containing This Product:
Plant Research Reagents / Related Products • Oxidative Stress Markers & Reagents / Related Products
 
 
ALX-350-034 Revised 17-Jul-07
N-6-(Δ2-Isopentenyl)-adenine
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SYNONYMS 6-(γ,γ-Dimethylallylamino)purine
Triacanthine
PRODUCT LINE Cell Cycle
PRODUCT CATEGORY CDK & Cyclin Inhibitors
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ALX-350-034-M100   100 mg 45.00 USD Add To Cart
Product Specification
FORMULA: C10H13N5
MW: 203.3
CAS NUMBER: 2365-40-4
PURITY: ≥98%
SOLUBILITY: Soluble in DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Weakly active olomoucine analog for structure-activity analyses in the olomoucine series. Regulator of plant growth.
Product Specific Literature References
Inhibition of cyclin-dependent kinases by purine analogues: J. Vesely, et al.; Eur. J. Biochem. 224, 771 (1994) Abstract
Further Categories Containing This Product:
Cell Cycle Blockers & Inhibitors / Related Products • Plant Research Reagents / Related Products • Natural Products - Plant Research Reagents
 
 
ALX-350-115 Revised 21-Feb-08
Fusicoccin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Plant Research Reagents
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ALX-350-115-MC05   0.5 mg 70.00 USD Add To Cart
ALX-350-115-M001   1 mg 120.00 USD Add To Cart
Product Specification
FORMULA: C36H56O12
MW: 680.8
CAS NUMBER: 20108-30-9
SOURCE/HOST: Isolated from fungus Fusicoccum amygdali.
PURITY: ≥90% (HPLC)
APPEARANCE: White to off-white crystalline solid.
SOLUBILITY: Soluble in acetone, 100% ethanol, methanol, chloroform or ethyl acetate; practically insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: TOXIC.

Product Description
Diterpene glucoside with numerous effects on plants. Induces H+ extrusion from plant cells by 14-3-3-dependent activation of the plasma membrane H+-ATPase. Stimulates cell enlargement, ion uptake, seed germination, opening the stomata, etc. Markedly reduces the cell’s capability for H2O2 scavenging.
Product Specific Literature References
Fusicoccin - a key to multiple 14-3-3 locks?: A.H. De Boer; Trends Plant Sci. 2, 20 (1997)
Fusicoccin binding to its plasma membrane receptor and the activation of the plasma membrane H(+)-ATPase. IV. Fusicoccin induces the association between the plasma membrane H(+)-ATPase and the fusicoccin receptor: C. Olivari, et al.; Plant Physiol. 116, 529 (1998) Abstract
Cytoskeletal inhibitors suppress the stomatal opening of Vicia faba L. induced by fusicoccin and IAA: R.F. Huang, et al.; Plant Sci. 156, 65 (2000) Abstract
Inhibition of catalase activity as an early response of Arabidopsis thaliana cultured cells to the phytotoxin fusicoccin: N. Beffagna & I. Lutzu; J. Exp. Bot. 58, 4183 (2007) Abstract
General Literature References
Fusicoccin: a tool in plant physiology: E. Marre; Ann. Rev. Plant Physiol. 30, 273 (1979), (Review)
Fusicoccin receptors: perception and transduction of the fusicoccin signal: P. Aducci et al.; J. Exp. Bot. 46, 1463 (1995), (Review)
Fusicoccin - a key to multiple 14-3-3 locks?: A.H. De Boer; Trends Plant Sci. 2, 20 (1997), (Review)
Fusicoccin binding to its plasma membrane receptor and the activation of the plasma membrane H(+)-ATPase. IV. Fusicoccin induces the association between the plasma membrane H(+)-ATPase and the fusicoccin receptor: C. Olivari, et al.; Plant Physiol. 116, 529 (1998) Abstract
Phosphorylation-independent interaction between 14-3-3 protein and the plant plasma membrane H+-ATPase: J. Borch, et al.; Biochem. Soc. Trans. 30, 411 (2002), (Review) Abstract; Full Text
Plant 14-3-3 proteins assist ion channels and pumps: A.H. de Boer; Biochem. Soc. Trans. 30, 416 (2002), (Review) Abstract; Full Text
Metabolic enzymes as targets for 14-3-3 proteins: S.C. Huber, et al.; Plant Mol. Biol. 50, 1053 (2002), (Review) Abstract
cDNA microarray analysis of fusicoccin-induced changes in gene expression in tomato plants: U.B. Frick & A. Schaller; Planta 216, 83 (2002) Abstract
Mutational analysis of the interaction between 14-3-3 proteins and plant plasma membrane H+-ATPase: S. Visconti, et al.; J. Biol. Chem. 278, 8172 (2003) Abstract
Structural view of a fungal toxin acting on a 14-3-3 regulatory complex: M. Wurtele, et al.; Embo J. 22, 987 (2003) Abstract
Further Categories Containing This Product:
H+-ATPase / Related Products • 14-3-3 Proteins / Related Products • Plant Research Reagents / Related Products
 
 
ALX-350-132 Revised 25-Mar-08
Tentoxin
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SYNONYMS cyclo-(N-Methyl-L-alanyl-L-leucyl-N-methyl-(Z)-dihydrophenylalanyl-glycyl)
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Plant Research Reagents
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ALX-350-132-MC05   0.5 mg 180.00 USD Add To Cart
Product Specification
FORMULA: C22H30N4O4
MW: 414.5
SOURCE/HOST: Isolated from Alternaria alternata.
PURITY: ≥99% (HPLC)
PURITY DETAIL: Free of any peptide contaminations, especially dihydrotentoxin.
SOLUBILITY: Soluble in water (60°C, sonification) up to 6mg/ml.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Cyclic tetrapeptide. Inhibitor of chloroplast F1-ATPase (CF1). Does not inhibit the homologous enzymes from chloroplasts of insusceptible plant species or from bacteria or mitochondria.
Product Specific Literature References
Effects of tentoxin and dihydrotentoxin on human erythrocytes: K. Gwozdzinski, et al.; Cytobios. 67, 183 (1991) Abstract
Metabolism of tentoxin by hepatic cytochrome P-450 3A isozymes: M. Delaforge, et al.; Eur. J. Biochem. 250, 150 (1997) Abstract
Complete inhibition and partial Re-activation of single F1-ATPase molecules by tentoxin: new properties of the re-activated enzyme: P. Pavlova, et al.; J. Biol. Chem. 279, 9685 (2004) Abstract; Full Text
Further Categories Containing This Product:
Other Toxins • Natural Products - ATPase Inhibitors • Plant Research Reagents / Related Products
 
 
ALX-350-255 Revised 03-Apr-08
(+)-cis,trans-Abscisic acid
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SYNONYMS (S)-5-(1-Hydroxy-2,6,6-trimethyl-4-oxocyclohex-2-en-1-yl)-3-methyl-[2Z,4E]-pentadienoic acid
(+)-cis,trans ABA
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Plant Research Reagents
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ALX-350-255-C500   500 µg 90.00 USD Add To Cart
ALX-350-255-M001   1 mg 160.00 USD Add To Cart
ALX-350-255-M005   5 mg 620.00 USD Add To Cart
Product Specification
FORMULA: C15H20O4
MW: 264.3
CAS NUMBER: 21293-29-8
MERCK INDEX: 14: 11
SOURCE/HOST: Isolated from Curvularia lunata.
PURITY: ≥97%
APPEARANCE: Off-white powder.
SOLUBILITY: Soluble in ethanol or DMSO.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description
Natural and active isomer of the abscission accelerating plant hormone.
Product Specific Literature References
Metabolism and physiology of abscisic acid: J.A.D. Zeevaart & R.A. Creelman; Annu. Rev. Plant Physiol. Plant Mol. Biol. 39, 439 (1988), (Review)
Molecular responses to drought and cold stress: K. Shinozaki & K. Yamaguchi-Shinozaki; Curr. Opin. Biotechnol. 7, 161 (1996), (Review) Abstract
Abscisic acid and signal transduction: J. Leung & J. Giraudat; Annu. Rev. Plant Physiol. Plant Mol. Biol. 49, 199 (1998), (Review)
ABA signal transduction: E. Grill & A. Himmelbach; Curr. Opin. Plant Biol. 1, 412 (1998), (Review) Abstract
Signal transduction networks and the biology of plant cells: M.J. Chrispeels, et al.; Biol. Res. 32, 35 (1999), (Review) Abstract
Abscisic acid: A.M. Hetherington; Curr. Biol. 9, R390 (1999), (Review) Abstract
Regulation of abscisic acid-induced stomatal closure and anion channels by guard cell AAPK kinase: J. Li, et al.; Science 287, 300 (2000) Abstract
Mitogen-activated protein kinase and abscisic acid signal transduction: S. Heimovaara-Dijkstra, et al.; Results Probl. Cell Differ. 27, 131 (2000) Abstract
Relay and control of abscisic acid signaling: A. Himmelbach, et al.; Corr. Opin. Plant Biol. 6, 470 (2003), Review Abstract
Nitric oxide induced by hydrogen peroxide mediates abscisic acid-induced activation of the mitogen-activated protein kinase cascade involved in antioxidant defense in maize leaves: A. Zhang, et al.; New Phytol. 175, 36 (2007) Abstract
Abscisic acid is an endogenous cytokine in human granulocytes with cyclic ADP-ribose as second messenger: S. Bruzzone, et al.; PNAS 104, 5759 (2007) Abstract
Further Categories Containing This Product:
Natural Products - Nitric Oxide Pathway Modulators • Plant Research Reagents / Related Products
 
 
ALX-350-324 Revised 30-May-07
Rubellin D
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Plant Research Reagents
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ALX-350-324-M001   1 mg 110.00 USD Add To Cart
Product Specification
FORMULA: C30H22O10
MW: 542.5
SOURCE/HOST: Isolated from fungus Ramularia collo-cygni.
PURITY: ≥98% (HPLC)
APPEARANCE: Red powder.
SOLUBILITY: Soluble in tetrahydrofuran, n-propanol, methanol, ethyl acetate, DMSO or chloroform.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Phytotoxin. Triggers the light-dependent production of reactive oxygen species and α-linolenic acid peroxidation.
Product Specific Literature References
Secondary mould metabolites. XX. The structure of rubellins C and D, two novel anthraquinone metabolites from Mycosphae-rella rubella: A. Arnone et al.; Gazz. Chim. Ital. 119, 35 (1989)
Photodynamic oxygen activation by rubellin D, a phytotoxin produced by Ramularia collo-cygni (Sutton et Waller): I. Heiser et al.; Physiol. Mol. Plant Pathol. 62, 29 (2003)
The phytopathogenic fungus Ramularia collo-cygni produces biologically active rubellins on infected barley leaves: S. Miethbauer et al.; J. Phytopathol. 151, 665 (2003)
Fatty acid peroxidation by rubellin B, C, and D, phytotoxins produced by Ramularia collo-cygni (Sutton et Waller): I. Heiser et al.; Physiol. Mol. Plant Pathol. 64, 135 (2004)
Biosynthesis of photodynamically active rubellins and structure elucidation of new anthraquinone derivatives produced by Ramularia collo-cygni: S. Miethbauer, et al.; Phytochemistry 67, 1206 (2006) Abstract
Further Categories Containing This Product:
Other Toxins • Lipid Peroxidation • Lipid Peroxidation • Plant Research Reagents / Related Products
 
 
ALX-630-089 Revised 22-Jul-08
Ochratoxin A
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Mycotoxins
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ALX-630-089-M001   1 mg 40.00 USD Add To Cart
ALX-630-089-M005   5 mg 150.00 USD Add To Cart
ALX-630-089-M025   25 mg 590.00 USD Add To Cart
Product Specification
FORMULA: C20H18ClNO6
MW: 403.8
CAS NUMBER: 303-47-9
MERCK INDEX: 14: 6740
RTECS: AY4375000
SOURCE/HOST: Isolated from Aspergillus ochraceus.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white crystals.
SOLUBILITY: Soluble in methanol (10mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: MAY BE TERATOGENIC. MAY BE MUTAGENIC. MAY BE CARCINOGENIC. VERY TOXIC.

Product Description
Mycotoxin. Natural contaminant of mouldy food and feed. It has a number of toxic effects, the most prominent being nephrotoxicity. Immunosuppressive, genotoxic, teratogenic and carcinogenic. Stimulates lipid peroxidation. Induces oxidative DNA lesions coupled with direct DNA adducts via quinone formation
Product Specific Literature References
Ochratoxin A, a toxic metabolite produced by Aspergillus ochraceus Wilh: K.J. van der Merwe, et al.; Nature 205, 112 (1965) Abstract
Lipid peroxidation as a possible cause of ochratoxin A toxicity: A.D. Rahimtula, et al.; Biochem. Pharmacol. 37, 4469 (1988) Abstract
Mechanism of ochratoxin A stimulated lipid peroxidation: R.F. Omar, et al.; Biochem. Pharmacol. 40, 1183 (1990) Abstract
Role of cytochrome P-450 in ochratoxin A-stimulated lipid peroxidation: R.F. Omar, et al.; J. Biochem. Toxicol. 6, 203 (1991) Abstract
Effect of superoxide dismutase and catalase on the nephrotoxicity induced by subchronical administration of ochratoxin A in rats: I. Baudrimont, et al.; Toxicology 89, 101 (1994) Abstract
Toxicity and metabolism of ochratoxin A: J. Fink-Gremmels, et al.; Nat. Toxins 3, 214 (1995) Abstract
How aspartame prevents the toxicity of ochratoxin A: E.E. Creppy, et al.; J. Toxicol. Sci. 23 Supp. 2, 165 (1998) Abstract
Toxicokinetics and toxicodynamics of ochratoxin A, an update: D. Ringot, et al.; Chem. Biol. Interact. 159, 18 (2006), (Review) Abstract
Ochratoxin A: An overview on toxicity and carcinogenicity in animals and humans: A. Pfohl-Leszkowicz & R. A. Manderville; Mol. Nutr. Food Res. 51, 61 (2007), (Review) Abstract
Further Categories Containing This Product:
Lipid Peroxidation • Plant Research Reagents / Related Products • Oxidative Stress Markers & Reagents / Related Products
 
 
ALX-630-093 Revised 23-Jul-08
Aflatoxin B1
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Mycotoxins
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ALX-630-093-M001   1 mg 28.00 USD Add To Cart
ALX-630-093-M005   5 mg 110.00 USD Add To Cart
Product Specification
FORMULA: C17H12O6
MW: 312.3
CAS NUMBER: 1162-65-8
MERCK INDEX: 14: 180
RTECS: GY1925000
SOURCE/HOST: Isolated from Aspergillus flavus.
PURITY: ≥98% (HPLC)
APPEARANCE: White to yellow powder.
SOLUBILITY: Soluble in DMSO (20mg/ml) or methylene chloride (10mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: VERY TOXIC. MAY BE CARCINOGENIC. MAY BE TERATOGENIC.

Product Description
Naturally occuring mycotoxin produced by many species of Aspergillus. Metabolized by the liver to the reactive intermediate aflatoxin M1. Exposure may produce acute necrosis, cirrhosis and carcinoma of the liver. Induces DNA damage.
Product Specific Literature References
Molecular dosimetry of aflatoxin exposure: contribution to understanding the multifactorial etiopathogenesis of primary hepatocellular carcinoma with particular reference to hepatitis B virus: C.P. Wild, et al.; Environ. Health Perspect. 99, 115 (1993) Abstract
A follow-up study of urinary markers of aflatoxin exposure and liver cancer risk in Shanghai, People's Republic of China: G.S. Qian, et al.; Cancer Epidemiol. Biomarkers Prev. 3, 3 (1994) Abstract
Aflatoxin B1 induced lacI mutation in liver and kidney of transgenic mice C57BL/6N: effect of phorone: H. Autrup, et al.; Mutagenesis 11, 69 (1996) Abstract
Activation and detoxication of aflatoxin B1: F.P. Guengerich, et al.; Mutat. Res. 402, 121 (1998), (Review) Abstract
Hyperplasia, partial hepatectomy, and the carcinogenicity of aflatoxin B1: B.D. Roebu; J. Cell. Biochem. 91, 242 (2004), (Review) Abstract
Aflatoxin B1-induced DNA damage and its repair: L. L. Bedard & T. E. Massey; Cancer Lett. 241, 174 (2006), (Review) Abstract
General Information
Not for sale in U. S. A.
Further Categories Containing This Product:
Carcinogens & Tumor Promoters Other Products • Plant Research Reagents / Related Products • Natural Products - Plant Research Reagents • Natural Products - Other Tumor Promoters • Non-apoptotic Cell Death / Necrosis
 
 
ALX-630-095 Revised 03-Apr-08