Comment on

• Hsp90 as a capacitor for morphological evolution.

  Rutherford SL, Lindquist S. Rutherford SL, et al. Nature. 1998 Nov 26;396(6709):336-42. doi: 10.1038/24550. Nature. 1998. PMID: 9845070
• Evolving evolvability.

  Partridge L, Barton NH. Partridge L, et al. Nature. 2000 Sep 28;407(6803):457-8. doi: 10.1038/35035173. Nature. 2000. PMID: 11028981 No abstract available.
• A yeast prion provides a mechanism for genetic variation and phenotypic diversity.

  True HL, Lindquist SL. True HL, et al. Nature. 2000 Sep 28;407(6803):477-83. doi: 10.1038/35035005. Nature. 2000. PMID: 11028992