Renan Escalante-Chong et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(5), 1636-1641 (2015-01-22)
Natural environments are filled with multiple, often competing, signals. In contrast, biological systems are often studied in "well-controlled" environments where only a single input is varied, potentially missing important interactions between signals. Catabolite repression of galactose by glucose is one