Further studies on the ectendotrophic mycorrhiza
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Further studies on polyribophosphate.
In previous reports (2, 3) it has been demonstrated that the type-specific substance of Hernophilus injluenzae, type b, is a polymer of ribose and phosphate, i.e. a polyribophosphate. Similar to ribonucleie acid, PRPI consists of a long chain of ribose units connected by 3,5-phosphate diester linkages. However, instead of a purine or pyrimidine on carbon 1 of ribose, as is the case in ribonucle...
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A second investigation into sympathetic detonation of ammonium nitrate (AN) and ammonium nitrate-fuel oil (ANFO) was conducted to define the scaling law for safe separation from detonating ANFO. Both missileand non-missile-producing ANFO donors weighing up to 5,400 pounds were employed with equal sizedacceptors. The usual cube root scaling law was not confirmed; exponents for the relationship S...
متن کاملFurther studies on the activity of hadacidin.
Hadacidin, which was previously found to inhibit the biosynthesis de novo of adenylic acid, was also found to inhibit the formation of uridylic acid. However, the concentra tion of hadacidin required to partially suppress pyrimidine synthesis was much greater than that necessary to inhibit purine formation. Hadacidin did not directly inhibit the incorporation of glycine, L-leucine, and formate ...
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Experiments with cerulenin-inhibited cultures of S. violaceoruber showed conversion of dihydrogranaticin (II) into granaticin (I), but not vice versa, confirming an earlier conclusion that II is the biosynthetic precursor of I. Feeding of CH3(13)C18O2Na followed by 13C-NMR analysis of the product by the 18O shift method indicated the expected incorporation of 18O at carbons 1, 11 and 13 of I an...
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Calnan, C. D., and Wells, G. C. (1956). Brit. med. 7., 1, 1265. Gross, P. (1959). Ann. Allergy, 17, 745. Heseltine, G. F. (1963). 7. psychosom. Res., 7, 241. Hjorth, N. (1963). Trans. St 7ohn's Hosp. derm. Soc. (Lond.), 49, 99. MacKenna, R. M. B. (1961). Practitioner, 186, 737. Sulzberger, M. B., and Baer, R. L. (1948). 1948 Year Book of Dermawlogy, p. 7. Year Book Publishers, Chicago. Suskind,...
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ژورنال
عنوان ژورنال: Acta Forestalia Fennica
سال: 1965
ISSN: 0001-5636
DOI: 10.14214/aff.7161