MAL11 and MAL61 encode the inducible high-affinity maltose transporter of Saccharomyces cerevisiae-Reference-Cited by-同舟云学术

MAL11 and MAL61 encode the inducible high-affinity maltose transporter of Saccharomyces cerevisiae

Published:1991-03 Issue:5 Volume:173 Page:1817-1820
ISSN:0021-9193
Container-title:Journal of Bacteriology
language:en
Short-container-title:J Bacteriol

Author:

Cheng Q¹,Michels C A¹

Affiliation:

1. Department of Biology, Queens College, CUNY, Flushing 11367.

Abstract

We have investigated the transport of maltose in a genetically defined maltose-fermenting strain of Saccharomyces cerevisiae carrying the MAL1 locus. Two kinetically different systems were identified: a high-affinity transporter with a Km of 4 mM and a low-affinity transporter with a Km of 70 to 80 mM. The high-affinity maltose transporter is maltose inducible and is encoded by the MAL11 (and/or MAL61) gene of the MAL1 (and/or MAL6) locus. The low-affinity maltose transporter is expressed constitutively and is not related to MAL11 and/or MAL61. Both maltose transporters are subject to glucose-induced inactivation.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Link

https://journals.asm.org/doi/pdf/10.1128/jb.173.5.1817-1820.1991

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