CHARACTERIZATION OF A RESPIRATORY-DEFICIENT MUTANT OF PACHYSOLEN-TANNOPHILUS

被引：4

作者：

ALEXANDER, NJ

机构：

[1] Microbial Properties Research, Northern Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture, Peoria, 61604, IL

来源：

CURRENT GENETICS | 1990年 / 17卷 / 06期

关键词：

Mitochondria; Petites; Yeast;

D O I：

10.1007/BF00313077

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

A pleiotropic, respiration-deficient mutant was isolated from the petite negative yeast Pachysolen tannophilus after UV mutagenesis. The mutant is unable to utilize xylose, arabinose, galactose or glycerol, and shows no detectable respiration when grown on glucose. Cytochrome c oxidase, xylose reductase and xylitol dehydrogenase activities are lacking. Mitochondrial ultrastructre is altered. The results support the hypothesis that functioning mitochondria are necessary for xylose utilization in this organism. © 1990 Springer-Verlag.

引用

页码：493 / 497

页数：5

共 27 条

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