Catley B J
Appl Microbiol. 1971 Oct;22(4):650-4. doi: 10.1128/am.22.4.650-654.1971.
During the growth of the yeastlike fungus Pullularia pullulans on glucose as sole carbon source, the cell-mass does not increase concomitantly with the elaboration of the extracellular polysaccharide pullulan, but precedes it. The conditions generated in the culture medium which activate the secretion of polysaccharide have been sought for, and, in particular, the roles of extracellular pH and nitrogen limitatation are examined.
在类酵母真菌出芽短梗霉以葡萄糖作为唯一碳源生长的过程中,细胞质量并非随着细胞外多糖茁霉多糖的合成而同步增加,而是先于其增加。人们一直在寻找培养基中促使多糖分泌的条件,特别是对细胞外pH值和氮限制的作用进行了研究。