ArticleDevelopment genes and evolution2014
Developmental variations among Panagrolaimid nematodes indicate developmental system drift within a small taxonomic unit.
Article in Development genes and evolution, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed.
- Ultraconserved Elements and Machine Learning Classifiers Enable Robust Phylogenetics and Taxonomy in Model and Non-Model Nematodes.Molecular ecology resources · 2025Article
- Identity and functions of monoaminergic neurons in the predatory nematodebioRxiv : the preprint server for biology · 2025Article
- A novel nematode species from the Siberian permafrost shares adaptive mechanisms for cryptobiotic survival with C. elegans dauer larva.PLoS genetics · 2023Article
- Evolutionary Dynamics of the SKN-1 → MED → END-1,3 Regulatory Gene Cascade inG3 (Bethesda, Md.) · 2020Article
- Evolution and Developmental System Drift in the Endoderm Gene Regulatory Network ofFrontiers in cell and developmental biology · 2020Review
- Signatures of the Evolution of Parthenogenesis and Cryptobiosis in the Genomes of Panagrolaimid Nematodes.iScience · 2019Article
- The gene regulatory program ofProceedings of the National Academy of Sciences of the United States of America · 2018Article
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6 authors.
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Abstract
Comparative studies of nematode embryogenesis among different clades revealed considerable variations. However, to what extent developmental differences exist between closely related species has mostly remained nebulous. Here, we explore the correlation between phylogenetic neighborhood and developmental variation in a restricted and morphologically particularly uniform taxonomic group (Panagrolaimidae) to determine to what extent (1) morphological and developmental characters go along with molecular data and thus can serve as diagnostic tools for the definition of kinship and (2) developmental system drift (DSD; modifications of developmental patterns without corresponding morphological changes) can be found within a small taxonomic unit. Our molecular approaches firmly support subdivision of Panagrolaimid nematodes into two monophyletic groups. These can be discriminated by distinct peculiarities in early embryonic cell lineages and a mirror-image expression pattern of the gene skn-1. This suggests major changes in the logic of cell specification and the action of DSD in the studied representatives of the two neighboring nematode taxa.
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