Einfluss von Streptomycin und von Tetracyclinen auf die Entwicklung keimender Samen |
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Authors: | H v Euler M L Stein |
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Institution: | (1) Institut für organisch-chemische Forschung der Universität Stockholm, Sweden |
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Abstract: | Summary
Euler (1947) andM. L. Stein (1953) had observed that germinating seeds of barley, rye, wheat and other grasses are colourless when exposed to solutions containing more than 0.2% of streptomycin or dihydrostreptomycin. These plants are not inhibited in growth. The chlorophyll already formed is not destroyed by streptomycin.The present authors describe the bleaching effect on germinating seeds of chlortetracycline and tetracycline. These antibiotics inhibit or reduce the formation of chlorophyll in germinating seeds but the authors could not obtain this inhibition without toxic effects (reduced growth). Contrary to streptomycin, the tetracyclines are not able to precipitate nucleic acids and nucleoproteins. |
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