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Co-option of the hormone-signalling module dafachronic acid–DAF-12 in nematode evolution

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  • Gilberto Bento

    (Max-Planck-Institute for Developmental Biology, Spemannstrasse 37; D-72076 Tübingen, Germany
    D-72076 Tübingen, Germany)

  • Akira Ogawa

    (Max-Planck-Institute for Developmental Biology, Spemannstrasse 37; D-72076 Tübingen, Germany
    D-72076 Tübingen, Germany)

  • Ralf J. Sommer

    (Max-Planck-Institute for Developmental Biology, Spemannstrasse 37; D-72076 Tübingen, Germany
    D-72076 Tübingen, Germany)

Abstract

Sharing the load Plants or animals with identical genomes in a given species can nonetheless develop into wildly differing forms depending on environmental conditions — a phenomenon called 'developmental plasticity' that is widespread in nature, yet rarely described in genetic and molecular terms. A study of a novel predatory trait in the nematode Pristionchus pacificus, namely the formation of additional teeth-like structures in the mouth that allow them to feed on fungi and other nematodes in response to overcrowding, shows that it is mediated by the same endocrine system that controls dauer larva formation. (The dauer state is the nematode equivalent to hibernation.) The plasticity resulting from such co-options of key signalling pathways may contribute to the evolution of morphological novelty.

Suggested Citation

  • Gilberto Bento & Akira Ogawa & Ralf J. Sommer, 2010. "Co-option of the hormone-signalling module dafachronic acid–DAF-12 in nematode evolution," Nature, Nature, vol. 466(7305), pages 494-497, July.
    • Handle: RePEc:nat:nature:v:466:y:2010:i:7305:d:10.1038_nature09164
    DOI: 10.1038/nature09164
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    Cited by:

    1. Nicholas A. Levis & Erik J. Ragsdale, 2023. "A histone demethylase links the loss of plasticity to nongenetic inheritance and morphological change," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    2. Michael S. Werner & Tobias Loschko & Thomas King & Shelley Reich & Tobias Theska & Mirita Franz-Wachtel & Boris Macek & Ralf J. Sommer, 2023. "Histone 4 lysine 5/12 acetylation enables developmental plasticity of Pristionchus mouth form," Nature Communications, Nature, vol. 14(1), pages 1-14, December.

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