. A text-book of bacteriology. Bacteriology. PATHOGENIC ANAEROBIC BACILLI. 579 Biological Characters.—An anaerobic, liquefying, motile bacillus. Forms spores. Grows at the room temperature, in the absence of oxygen, in the usual culture media. Grows best at a temperature of 36° to 38° C; in nutrient gelatin, at 30° to 35° C, development is first seen at the end of three or four days ; does not grow at a temperature below 14° C. Spores are formed in cultures kept in the incubating oven at 36° C, at the end of thirty hours ; in gelatin cultures at 30° to 35° C, at the end of a week (Kitasato). T


. A text-book of bacteriology. Bacteriology. PATHOGENIC ANAEROBIC BACILLI. 579 Biological Characters.—An anaerobic, liquefying, motile bacillus. Forms spores. Grows at the room temperature, in the absence of oxygen, in the usual culture media. Grows best at a temperature of 36° to 38° C; in nutrient gelatin, at 30° to 35° C, development is first seen at the end of three or four days ; does not grow at a temperature below 14° C. Spores are formed in cultures kept in the incubating oven at 36° C, at the end of thirty hours ; in gelatin cultures at 30° to 35° C, at the end of a week (Kitasato). The bacilli exhibit voluntary movements which are not very active ; those containing spores are not motile. It may be cultivated in an atmosphere of hydrogen, but does not grow in the presence of oxy- gen—strictly anaerobic—or in an atmosphere of carbon dioxide. The addition of one and one-half to two per cent of grape sugar to nutrient agar or gelatin causes the development to be more rapid. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sternberg, George Miller, 1838-1915. New York, W. Wood and company


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbacteri, bookyear1901