Multidrug Resistance Phenotype Conferred by Overexpressingbfr2+/pad1+/sks1+orpap1+Genes and Mediated bybfr1+Gene Product, a Structural and Functional Homologue of P-Glycoprotein inSchizosaccharomyces pombe
Author(s) -
Manabu Arioka,
Mutsuo KOUHASHI,
Koji Yoda,
Akira Takatsuki,
Makari Yamasaki,
Katsuhiko Kitamoto
Publication year - 1998
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.62.390
Subject(s) - multiple drug resistance , gene , effector , mutant , biology , schizosaccharomyces pombe , atp binding cassette transporter , phenotype , transporter , genetics , microbiology and biotechnology , drug resistance
We investigated the mechanism of multidrug resistance conferred by overexpression of bfr2+/pad1+/sks1+ or pap1+ genes of Schizosaccharomyces pombe. Overexpression of bfr2+ did not confer multidrug resistance on a pap1-disrupted strain. In a mutant with bfr1+ (a putative membrane transporter which belongs to the ATP-binding cassette superfamily) disrupted, overexpression of either bfr2+ or pap1+ did not confer multidrug resistance. These findings suggest that bfr1+ acts as the most downstream effector of the multidrug resistance conferred by bfr2+ and pap1+ genes.
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