Studies on the Accumulation of 5(4)-Amino-4(5)-imidazole-carboxamide Riboside byEscherichia coli
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چکیده
منابع مشابه
Studies on the accumulation of 4-amino-5-imidazole carboxamide in Escherichia coli.
When cultures of Escherichia coli are partially inhibited by sulfonamides they accumulate a diazotizable and nonacetylable amine in the medium (Fox, 1942). The amine was isolated by Stetten and Fox (1945) and characterized by Shive et al. (1947) as 4-amino-5-imidazole carboxamide. The latter authors suggested that the amine was a precursor of purines as it only required the addition of a one ca...
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قاعده مقتضی و مانع در متون فقهی کم و بیش مستند احکام قرار گرفته و مورد مناقشه فقهاء و اصولیین می باشد و مشهور معتقند مقتضی و مانع، قاعده نیست بلکه یکی از مسائل ذیل استصحاب است لذا نگارنده بر آن شد تا پیرامون این قاعده پژوهش جامعی انجام دهد. به عقیده ما مقتضی دارای حیثیت مستقلی است و هر گاه می گوییم مقتضی احراز شد یعنی با ماهیت مستقل خودش محرز گشته و قطعا اقتضاء خود را خواهد داشت مانند نکاح که ...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1961
ISSN: 1881-1280,0002-1369
DOI: 10.1271/bbb1961.25.350