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Effect of Cultural Environment on the Blood Group Activity of Microorganisms

机译：文化环境对微生物血型活性的影响

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Blood group activity was proven to be a property of the bacterium per se which possesses it, although such activity was influenced by the cultural environment of the organism. High concentrations of peptones having blood group activity were able to transfer this activity to inactive organisms; however, the conferred activity was proportional to the concentration. As a result of the low concentrations, the blood group activity of peptones was eliminated upon incorporation in culture media, and the activity of the peptones had no effect on the blood group activity levels of microorganisms when grown in these media. Conversely, the vitamin content of culture media did affect blood group active organisms. Multiple vitamins in media decreased the activity levels by blocking the reactive sites of the active organisms on which activity detection depended. Blood group activity levels were highest in media of minimal or no vitamin content. Therefore, it can be concluded that a choice of cultural medium becomes an important factor in the quantitation of bacterial blood group activity.
机译：血型活性被证明是细菌本身具有的一种特性，尽管这种活性受生物体的培养环境影响。具有血型活性的高浓度蛋白one能够将这种活性转移到非活性生物体上。但是，赋予的活性与浓度成正比。低浓度的结果是，掺入培养基中后，蛋白p的血型活性被消除，并且当在这些培养基中生长时，蛋白the的活性对微生物的血型活性水平没有影响。相反，培养基中的维生素含量确实会影响血型活性生物。培养基中的多种维生素通过阻断活性检测所依赖的活性生物的反应位点而降低了活性水平。在维生素含量极低或没有维生素的培养基中，血型活性最高。因此，可以得出结论，选择培养基成为细菌血型活性定量的重要因素。

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