DIF signalling and cell fate

Robert R. Kay, Paul Flatman, Christopher R L Thompson

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The DIFs are a family of secreted chlorinated molecules that control cell fate during development ofDictyostelium cells in culture and probably during normal development too. They induce stalk cell differentiation and suppress spore cell formation. The biosynthetic and inactivation pathways of DIF-1 (the major bioactivity) have been worked out. DIF-1 is probably synthesised in prespore cells and inactivated in prestalk cells, by dechlorination. Thus, each cell type tends to alter DIF-1 level so as to favour differentiation of the other cell type. This relationship leads to a model for cell-type proportioning during normal development. © 1999 Academic Press.
    Original languageEnglish
    Pages (from-to)577-585
    Number of pages8
    JournalSeminars in Cell and Developmental Biology
    Volume10
    Issue number6
    DOIs
    Publication statusPublished - Dec 1999

    Keywords

    • Dictyostelium, DIF, DIF-dechlorinase, DIF-1 biosynthesis, proportioning model

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