Prehelminthosporol

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August undefined, 2024

WebPrehelminthosporol is a phytotoxin, it may play an important role in pathogenesis by killing or weakening plant cells in advance of the growing hyphae and facilitating nutrient uptake and further growth of the fungus in plant tissue. WebA gas chromatographic method was developed to quantify the phytotoxin prehelminthosporol, which is a sesquiterpene metabolite of the plant pathogen Bipolaris sorokiniana. The toxin was extracted from mycelium or culture filtrates, pre-cleaned using …

Production and release of the phytotoxin prehelminthosporol by

WebOct 11, 2024 · Carlson H, Nilsson P, Jansson HB, et al. Characterization and determination of prehelminthosporol, a toxin from the plant pathogenic fungus Bipolaris sorokiniana, using liquid chromatography/mass spectrometry. J Microbial Meth. 1991;13: 259 – 269. 10.1016/0167-7012(91)90063-V , [Web of Science ®], [Google Scholar] WebPrehelminthosporol is utilized for the synthesis of helminthosporol, which in turn gives helminthosporic acid (Fig. 5). Both Accepted Article these compounds are plant growth regulators and are known to inhibit seed germination, and hypocotyls/radicle growth (Qader et … tabulated file

Helminthosporium 77. sativum - Big Chemical Encyclopedia

WebNov 2, 2024 · GA signaling has been well studied in Arabidopsis. 19,21,22) It is known that GA promotes seed germination in imbibed seeds, hypocotyl elongation, and root elongation, and a GA-biosynthetic inhibitor such as PAC suppressed these activities. We investigated whether H-acid has GA activity in A. thaliana.PAC-inhibited seed germination was restored … WebAlfa Chemistry offers Prehelminthosporol (1619-13-2) for experimental / research use. View information & documentation regarding Prehelminthosporol, including CAS, structure & more. WebJul 3, 2002 · Bipolaris sorokiniana (teleomorph Cochliobolus sativus) is the causal agent of common root rot, leaf spot disease, seedling blight, head blight, and black point of wheat and barley.The fungus is one of the most serious foliar disease constraints for both crops in warmer growing areas and causes significant yield losses. tabulated firing table

Relationship Between Production of the Phytotoxin …

Prehelminthosporolactone 118101-72-7 Wuhan DingQuan Tech …

WebJan 1, 2009 · This investigation describes the synthesis and biological evaluation of a series of oxabicyclic analogues related to the helminthosporins. Four oxabicycles were prepared by [4+3] cycloaddition of an oxyallyl carbocation, generated in situ from 2,4-dibromopentan-3-one, with selected furans. Functional group manipulations of the oxabicyclic architecture … WebA gas chromatographic method was developed to quantify the phytotoxin prehelminthosporol, which is a sesquiterpene metabolite of the plant pathogen Bipolaris sorokiniana. The toxin was extracted from mycelium or culture filtrates, pre-cleaned using solid phase extraction, and analyzed by gas chromatography as a trimethylsilyl-derivative. … tabulated functionWebMar 1, 2024 · The effects of the phytotoxin prehelminthosporol from the fungal pathogen Bipolaris sorokiniana on the activities of the plasma membrane H + -ATPase, Ca 2+ - ATPase, and 1,3-β-glucan synthase in barley roots were investigated in vitro. Plasma … tabulated grades

"WebCharacterization and determination of prehelminthosporol, a toxin from the plant pathogenic fungus Bipolaris sorokiniana, using liquid chromatography/mass spectrometry. Journal of Microbiological Methods 1991 , 13 (4) , 259-269. " - Prehelminthosporol

Prehelminthosporol

WebThe effects of Prehelminthosporol, a toxin produced by Bipolaris sorokiniana, were investigated on barley roots. A concentration of 30 μg∙mL−1 Prehelminthosporol or higher in nutrient solution significantly increased the rate of … WebBipolaris sorokiniana (Sacc. in Sorok.) Shoem. (syn. Helminthosporium sativum (Pamm. King & Backe), teleomorph Cochliobolus sativus (Ito & Kurib.) is a widespread fungus which can cause disease in grasses including cereals but occasionally also other taxonomic groups (Wildermuth and MacNamara, 1987). It attacks all parts of the plants from ...

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WebThe effects of the phytotoxin prehelminthosporol from the fungal pathogen Bipolaris sorokiniana on the activities of the plasma membrane H +-ATPase, Ca 2+ - ATPase, and 1, 3-β-glucan synthase in barley roots were investigated in vitro. Plasma membranes were … WebAug 1, 1991 · Prehelminthosporol is hydrophobic and has low water solubility. A saturated aque- ous solution obtained by sonication had a conctm~udo, uf 0.15/z~-~l-~ Quantification of prehehninthosporol The mass spectrometer was adjusted for selected ion monitoring …

WebJan 12, 2024 · Prehelminthosporol is secreted from fungi during plant infection and is mainly concentrated in the extracellular matrix in the hyphae right before plant penetration (Jansson and Akesson, 2003). High amounts of prehelminthosporol correlate with high levels of virulence (Apoga et al., 2002). WebA metabolite of Cochliobolus(Helminthosporium)sativus is shown to be 9-hydroxyprehelminthosporol (IIe). Prehelminthosporol is also present.

WebPrehelminthosporol C15H24O2 CID 6451296 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ... WebCharacterization and determination of prehelminthosporol, a toxin from the plant pathogenic fungus Bipolaris sorokiniana, using liquid chromatography/mass spectrometry. Journal of Microbiological Methods 1991, 13 (4) , 259-269.

WebÅkesson, H., Carlemalm, E., Everitt, E., Gunnarsson, T., Odham, G., and Jansson, H.-B. 1996. Immunocytochemical localization of phytotoxins inBipolaris sorokiniana. Fungal Genetics and Biology20,205–216. Polyclonal antibodies against prehelminthosporol, a phytotoxin produced by the plant pathogenic fungusBipolaris sorokiniana,were raised in rabbits …

WebBipolaris sorokiniana is a fungal pathogen causing severe disease mainly in wheat and barley worldwide. In this thesis two aspects of the infection process were investigated: the adhesion mechanism of the fungus and the role of the non-host specific phytotoxin prehelminthosporol (PHL) in the disease. tabulated chartWebPrehelminthosporolactone Description. The culture filtrates of a Bipolaris species pathogenic to Johnson grass. Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc. Providing storage is as stated on the product vial and the vial is kept tightly sealed, … tabulated in a tableWebCompare Prehelminthosporol from BOC Sciences on Biocompare.com. Phone: International: 1-631-485-4226 Fax: 1-631-614-7828 tabulated half cell potentialWebSorokinianin is more phytotoxic than prehelminthosporol in inhibiting the germination of barley seeds. [Pg.375] The structure and stereochemistry of cis-sativenediol (111) and trans-sativenediol (112) have been established57 by n.m.r. spectroscopy and, in the case of the … tabulated heats of formationWebBipolaris sorokiniana (Sacc. in Sorok.) Shoem. (syn. Helminthosporium sativum (Pamm. King & Backe), teleomorph Cochliobolus sativus (Ito & Kurib.) is a widespread fungus which can cause disease in grasses including cereals but occasionally also other taxonomic … tabulated graphWebFeb 1, 1993 · Prehelminthosporol was quantified in hyphae and surrounding liquid medium by reverse phase HPLC. To evaluate early toxin release during germination of spores a GC method was developed. The concentration of prehelminthosporol was 4.8 pg/spore in the nongerminated spores. Prehelminthosporol was released on contact with water prior to … tabulated integralWebFeb 1, 1993 · Prehelminthosporol was quantified in hyphae and surrounding liquid medium by reverse phase HPLC. To evaluate early toxin release during germination of spores a GC method was developed. The concentration of prehelminthosporol was 4.8 pg/spore in the … tabulated information