Color and Streptomycetes
نویسندگان
چکیده
منابع مشابه
Color and Streptomycetes. Report of an International Workshop on Determination of Color of Streptomycetes.
A report summarizing the results of an international workshop on determination of color of streptomycetes is presented. The results suggest that the color systems which seem most practically appealing and effective to specialists on actinomycetes are those embracing a limited number of color names and groups. The broad groupings allow placement of isolates into reasonably well-defined categorie...
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متن کاملStreptomycetes: Characteristics and Their Antimicrobial Activities
The Streptomycetes are gram positive bacteria with a filamentous form that present in a wide variety of soil including composts, water and plants. The most characteristic of Streptomycetes is the ability to produce secondary metabolites such as antibiotics. They produce over two-thirds of the clinically useful antibiotics of natural origin (e.g., neomycin and chloramphenicol. Another characteri...
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tion, where two substances of low toxicity produce greater activity than can be accounted for from the additive effect. The antibiotic concentrations of 300 and 400 ,ug in combination with the cell concentrations within the limits of 5 X 105 to 20 X 105 per chick embryo were considerably more effective in potentiation of embryo death than were the 100 and 200 ug levels of antibiotic combined wi...
متن کاملIsolation of thermophilic streptomycetes.
The thermophilic streptomycetes, growing in the temperature range of 55 to 65 C, have remained a little known group of microorganisms. Since their discovery in 1888 by Golbig, their physiology, metabolism, metabolic products, natural habitat, and even their morphology have remained unknown or in the realm of conjecture. It was only in the latest edition of Bergey's Manual of Determinative Bacte...
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ژورنال
عنوان ژورنال: Applied Microbiology
سال: 1965
ISSN: 0003-6919
DOI: 10.1128/am.13.1.43-61.1965