Genetic Regulatory Mechanisms and the Ecological Niche of Escherichia coli
- 1 June 1974
- journal article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 71 (6) , 2453-2455
- https://doi.org/10.1073/pnas.71.6.2453
Abstract
Whether the regulatory protein of an inducible operon for a catabolic pathway is a positive or a negative element in the control of expression is correlated with the frequent or infrequent presence, respectively, of the system's substrate in the natural environment.Keywords
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