The Evolved β-Galactosidase System of Escherichia coli

  • Barry G. Hall
Part of the Monographs in Evolutionary Biology book series (MEBI)


The overall objective of research in experimental evolution is to understand the variety of ways by which organisms can evolve new physiological functions. How does an organism that is already well adapted to its environment evolve a new function to cope with an altered environment? The synthetic theory of evolution does not really address the problem of the evolution of novel functions, nor does population genetics deal with the appearance of new functions.


Evolutionary Pathway Strain 5A1032 Intragenic Recombination Lactose Hydrolysis Lactase Activity 
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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • Barry G. Hall
    • 1
  1. 1.Microbiology Section, Biological Sciences GroupUniversity of ConnecticutStorrsUSA

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