منابع مشابه
Methods for mutation and selection of the ergot fungus.
A new method is described in which the Salkowski reaction is used for the rapid selection of alkaloid-producing mutants of the ergot fungus. This method was used to investigate the influence of a second mutation with N-methyl-N'-nitro-N-nitrosoguanidine (NTG) on various mutants selected by a preliminary NTG mutation of Claviceps sp. strain SD 58. Three groups of mutants were used: high alkaloid...
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The histone extracted from calf thymus glands is a complex system of proteins, which can be fractionated by chromatography on carboxymethyl cellulose columns into three principal fractions (1) very lysine-rich, (2) moderately lysine-rich, (3) arginine-rich. When examined by starch gel chromatography each of these gives more than one band. Methods have been devised for further separation of the ...
متن کاملHistorical View on Ergot Alkaloids
A short survey of the history of ergot, of the original and, for a long time, only source of ergot alkaloids, is given. Once a dreaded poison, ergot has changed its role over the centuries to become a rich treasure house of valuable pharmaceuticals. In the Middle Ages it was the cause of epidemics of ergotism, which cost tens of thousands of people their lives. Ergot was first mentioned by the ...
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pervasive developmental disorders (PDDs) currently involves the treatment of target symptoms including hyperactivity, inattention, interfering repetitive thoughts and behavior, and aggression toward self, others, or the environment. Although studies in laboratory animals have identified neuropeptides, including oxytocin and vasopressin, that mediate some elements of affiliative behavior, drugs ...
متن کاملD-lysergic acid-activating enzyme from the ergot fungus Claviceps purpurea.
A D-lysergic acid-activating enzyme from the ergot fungus Claviceps purpurea was purified about 145-fold. The enzyme was able to catalyse both the D-lysergic acid-dependent ATP-pyrophosphate exchange and the formation of ATP from D-lysergic acid adenylate and pyrophosphate. Both reactions were also catalysed to a decreased but significant extent with respect to dihydrolysergic acid. The molecul...
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ژورنال
عنوان ژورنال: Journal of the agricultural chemical society of Japan
سال: 1961
ISSN: 0002-1407,1883-6844
DOI: 10.1271/nogeikagaku1924.35.13_1284