酿酒酵母的小菌落阴性突变体。
Petite-negative mutants of Saccharomyces cerevisiae.
作者信息
Lancashire W E, Payton M A, Webber M J, Hartley B S
出版信息
Mol Gen Genet. 1981;181(3):409-10. doi: 10.1007/BF00425622.
PMID:7017350
Abstract
A series of yeast mutants has been isolated with the inability to grow on fermentable carbon sources whilst growing normally on ethanol media. One of the mutants, namely MC16/206 lacks pyruvate decarboxylase activity and does not grow on glucose at 37 degrees C but grows on both ethanol and glucose at 27 degrees C. In this strain rho- petites are non-viable.
摘要
已分离出一系列酵母突变体，这些突变体在可发酵碳源上无法生长，而在乙醇培养基上能正常生长。其中一个突变体，即MC16/206，缺乏丙酮酸脱羧酶活性，在37℃下不能在葡萄糖上生长，但在27℃下能在乙醇和葡萄糖上生长。在这个菌株中，ρ-小菌落是无法存活的。
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