METABOLISM OF PROGESTERONE BY CYLINDROCARPON RADICICOLA AND STREPTOMYCES LAVENDULAE
نویسندگان
چکیده
منابع مشابه
Streptomyces lavendulae and Streptomyces venezuelae.
With the growing economic significance of some Streptomyces species, the necessity of establishing their precise characteristies in well-defined specific terms becomes of great theoretical and practical importance (Waksman, 1957). The purpose of this paper is to present a comparative study of the main morphological, physiological, and biochemical characteristics of cultures belonging to the Str...
متن کاملStudies on Streptomyces lavendulae.
Since the isolation of streptothricin by Waksman and Woodruff in 1942 from a strain of Streptomyces lavendulae, numerous reports have appeared concerning the ability of different actinomycetes to produce this antibiotic or closely related compounds. In most of the antibiotic screening programs, streptothricin and streptothricinlike substances are among the first to be commonly encountered as pr...
متن کاملMultiple effects induced by unstable mutation in Streptomyces lavendulae.
Arg mutants, isolated from Streptomyces lavendulae at unusually high frequencies, showed several phenotypic characteristics. The characteristics common to all arg mutants include: (1) repression of beta-lactamase production, (2) inhibition of aerial mycelium formation, (3) development of acid pH, (4) low saturation density of growth in liquid culture, (5) a decrease in antibiotic production, (6...
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Cylindrocarpon destructans/Ilyonectria radicicola is thought to cause both rusty symptom and root-rot disease of American and Korean ginseng. Root-rot disease poses a more serious threat to ginseng roots than rusty symptoms, which we argue result from the plant defense response to pathogen attack. Therefore, strains causing rotten root are characterized as more aggressive than strains causing r...
متن کاملSelf - protection Mechanism in D - Cycloserine - producing Streptomyces lavendulae
An antibiotic, D-cycloserine (DCS), inhibits the catalytic activities of alanine racemase (ALR) and D-alanylD-alanine ligase (DDL), which are necessary for the biosynthesis of the bacterial cell wall. In this study, we cloned both genes encoding ALR and DDL, designated alrS and ddlS, respectively, from DCS-producing Streptomyces lavendulae ATCC25233. Each gene product was purified to homogeneit...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1957
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.74.5.684-688.1957