@article{878,
  abstract     = {Negative trade-offs are thought to be a pervasive phenomenon and to inhibit evolution at all levels. New evidence shows that at the molecular level, there may be no trade-offs preventing the emergence of an enzyme with multiple functions.
},
  author       = {Fyodor Kondrashov},
  journal      = {Nature Genetics},
  number       = {1},
  pages        = {9 -- 10},
  publisher    = {Nature Publishing Group},
  title        = {{In search of the limits of evolution}},
  doi          = {10.1038/ng0105-9},
  volume       = {37},
  year         = {2005},
}