Article
The competitive advantage of a dual-transporter system.
Science (New York, N.Y.) - 9 Dec 2011
Levy Sagi, Kafri Moshe, Carmi Miri, Barkai Naama
Abstract excerpt
Cells use transporters of different affinities to regulate nutrient influx. When nutrients are depleted, low-affinity transporters are replaced by high-affinity ones. High-affinity transporters are helpful when concentrations of nutrients are low, but the advantage of reducing their abundance when nutrients are abundant is less clear. When we eliminated such reduced production of the Saccharomyces cerevisiae...
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