A NOVEL P-TYPE ATPASE FROM YEAST INVOLVED IN SODIUM-TRANSPORT

被引:322
作者
HARO, R
GARCIADEBLAS, B
RODRIGUEZNAVARRO, A
机构
[1] Departamento de Microbiologia, Escuela Técnica Superior de Ingenieros Agrónomos
关键词
SODIUM PUMP; SODIUM ATPASE; SODIUM EFFLUX; LITHIUM EFFLUX; SACCHAROMYCES-CEREVISIAE;
D O I
10.1016/0014-5793(91)81280-L
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The gene ENA1 was cloned by its ability to complement the Li+ sensitivity of a low Li+-efflux strain. The nucleotide sequence of the cloned DNA fragment showed that there are two almost identical genes in tandem, and predicts that they encode P-ATPases. Disruption of both genes originated a strain defective in Na+ and Li+ effluxes, and sensitive to Na+, to Li+ and to alkaline pH. By transformation with ENA1 the defective effluxes and tolerances were repaired.
引用
收藏
页码:189 / 191
页数:3
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