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Volume 36 Issue 1, January 2004

Cover art: Double Helix by Alex Beard (for more information seehttp://www.alexbeard.com)

Editorial

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Correspondence

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Book Review

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News & Views

  • New evidence from a Trp53 'knock-in' mouse model suggests that p53-dependent cell cycle checkpoint control accompanied by maintenance of genome stability is important for keeping tumor growth in check.

    • Laura D Attardi
    • Ronald A DePinho
    News & Views
  • In zebrafish, slow twitch muscle is specified from a somitic muscle precursor pool by local Hedgehog (Hh) signals. A new study identifies the transcription factor Blimp-1 as a key downstream mediator in this process.

    • Ava E Brent
    • Clifford J Tabin
    News & Views
  • In fly eye development, new experiments suggest that two distinct Pax genes control tissue growth and identity, respectively. Notably, these two functions may be encoded by distinct isoforms of the human gene PAX6

    • Richard S Mann
    News & Views
  • A chromosome imprinting mark is sensitive to meiotic pairing in the gamete of origin and identified through the 'histone code'.

    • Mary Ann Handel
    News & Views
  • Mitochondria in different tissues vary in number, morphology, ultrastructure, respiratory capacity and involvement in specific metabolic pathways. A comparison of the proteome of mitochondria from different tissues has identified the extent of the underlying variation in protein composition and how this may be determined by tissue-specific networks of coregulated genes.

    • David R Thorburn
    News & Views
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Review Article

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Brief Communication

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Article

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Letter

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Erratum

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