膵臓自家融解エキス中の赤痢菌発育促進性物質について
1959 年 33 巻 5 号 p. 391-400
詳細
1959 年 33 巻 5 号 p. 391-400
Studies on the nutrition of dysentery bacilli led the authors to the following interesting results:
1. A watery extract of pancreas autolysate contains a strong growth-promoting substance for dysentery bacilli.
2. A watery extract of pancreas autolysate was effective for the multiplication of type I of Sh. boydii even after the dilution at a rate of 5120x the weight of the pancreas.
3. Extracts of other fresh or autolytic organs were not effective as that of pancreas autolysat.
4. According to the analysis performed, the major effective ingredients of the latter proved to be biotin and uracil.
5. Type I of Sh. boydii was found to be a strain which needs biotin for multiplication.
