Comment on

• Cell survival promoted by the Ras-MAPK signaling pathway by transcription-dependent and -independent mechanisms.

  Bonni A, Brunet A, West AE, Datta SR, Takasu MA, Greenberg ME. Bonni A, et al. Science. 1999 Nov 12;286(5443):1358-62. doi: 10.1126/science.286.5443.1358. Science. 1999. PMID: 10558990
• The protein kinase p90 rsk as an essential mediator of cytostatic factor activity.

  Bhatt RR, Ferrell JE Jr. Bhatt RR, et al. Science. 1999 Nov 12;286(5443):1362-5. doi: 10.1126/science.286.5443.1362. Science. 1999. PMID: 10558991
• Induction of metaphase arrest in cleaving Xenopus embryos by the protein kinase p90Rsk.

  Gross SD, Schwab MS, Lewellyn AL, Maller JL. Gross SD, et al. Science. 1999 Nov 12;286(5443):1365-7. doi: 10.1126/science.286.5443.1365. Science. 1999. PMID: 10558992