Alkaloids of Claviceps from Spartina.
نویسندگان
چکیده
منابع مشابه
Laboratory production of ergot alkaloids by species of balansia.
Four species of Balansia (clavicipitaceous systemic grass pathogens) isolated from pastures where cattle showed signs of ergot toxicity were grown in culture. Balansia epichloë, one isolate of B. claviceps, B. henningsiana and two isolates of B. strangulans produced conidia in submerged culture during the first stage of a two-stage fermentation procedure. When tranferred to a glucose/sorbitol/i...
متن کاملCharacterization of Some Claviceps Strains Derived from Regenerated Protoplasts
Three ergoline alkaloids producing Claviceps strains easily formed protoplasts when treated with snail digestive extract ex Helix pomatia. Colonies obtained after regeneration of protoplasts were monitored for alkaloid production. Among the regenerated progeny strains could be iso lated which differ considerably in the quantity of ergolines and the composition of the alkaloid mixture compared ...
متن کاملCytochemical localization of polysaccharides in Claviceps paspali ultrastructure during submerged fermentation of alkaloids.
Morphological characteristics of two types of elements in the submerged mycelium of Claviceps paspali are described. Distribution of polysaccharides in the cell wall and cytoplasm was cytochemically determined at the ultrastructural level. Polysaccharide deposition into the cell walls was proportional to the increase in the alkaloid yield. In the cytoplasm, on the other hand, the presence of po...
متن کاملExtracellular metabolism of sucrose in a submerged culture of Claviceps purpurea: formation of monosaccharides and clavine alkaloids.
Transformation of extracellular sucrose during cultivation of Claviceps purpurea led to the formation of mono- and oligosaccharides. Maltose was a suitable substrate for submerged fermentation of alkaloids. Fermentation in a medium with maltose was characterized by an insignificant formation of glucans, intensive sporulation, suspension growth of mycelium, and a higher formation of elymoclavine...
متن کاملProduction of peptide ergot alkaloids in submerged culture by three isolates of Claviceps purpurea.
Three strains of Claviceps purpurea (Fr.) Tul., isolated from sclerotia grown on rye, produce under submerged conditions ergocryptine and ergotamine, ergocornine and ergosine, and ergocristine, respectively. All of the strains either lacked the ability to produce conidia or formed them sparingly, but they accumulated large quantities of lipids and sterols. The fermentations are typically divide...
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عنوان ژورنال:
- Mycologia
دوره 69 4 شماره
صفحات -
تاریخ انتشار 1977