منابع مشابه
Converting the yeast arginine can1 permease to a lysine permease.
Amino acid uptake in yeast cells is mediated by about 16 plasma membrane permeases, most of which belong to the amino acid-polyamine-organocation (APC) transporter family. These proteins display various substrate specificity ranges. For instance, the general amino acid permease Gap1 transports all amino acids, whereas Can1 and Lyp1 catalyze specific uptake of arginine and lysine, respectively. ...
متن کاملIdentification of a novel membrane transporter mediating resistance to organic arsenic in Campylobacter jejuni.
Although bacterial mechanisms involved in the resistance to inorganic arsenic are well understood, the molecular basis for organic arsenic resistance has not been described. Campylobacter jejuni, a major food-borne pathogen causing gastroenteritis in humans, is highly prevalent in poultry and is reportedly resistant to the arsenic compound roxarsone (4-hydroxy-3-nitrobenzenearsonic acid), which...
متن کاملA flipping permease
Bogdanov, Phillip Heacock, and William Dowhan (University of Texas, Houston, TX) report that fully synthesized lactose permease (LacY) can reverse orientation when the lipid composition of the membrane is changed. Dowhan focused on phosphatidylethanolamine (PE), which is the only zwitterionic lipid in Escherichia coli (the other lipids all have anionic head groups). He knew that PE was needed f...
متن کاملEvidence for a streptomycin permease.
Hurwitz, Charles (Veterans Administration Hospital, Albany, N.Y.), and Carmen L. Rosano. Evidence for a streptomycin permease. J. Bacteriol. 90:1233-1237. 1965.-The hypothesis that an induced streptomycin permease is required for entry of the antibiotic into cells is further supported by the finding that proflavine and borate, which inhibit transcription, also block the lethal action of strepto...
متن کاملIdentification and functional characterization of a Xenorhabdus nematophila oligopeptide permease.
The bacterium Xenorhabdus nematophila is a mutualist of Steinernema carpocapsae nematodes and a pathogen of insects. Presently, it is not known what nutrients the bacterium uses to thrive in these host environments. In other symbiotic bacteria, oligopeptide permeases have been shown to be important in host interactions, and we therefore sought to determine if oligopeptide uptake is essential fo...
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ژورنال
عنوان ژورنال: Molecular Microbiology
سال: 2015
ISSN: 0950-382X
DOI: 10.1111/mmi.13145