Arthropod Segmentation: Why Centipedes Are Odd

Recent work has revealed a double segmental periodicity of gene expression in the centipede, a potential molecular explanation for the observation that this arthropod always has an odd number of trunk segments. Is this an oddity of centipedes, or might it mean that double segmental pair-rule pattern...

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Veröffentlicht in:	Current biology 2004-07, Vol.14 (14), p.R557-R559
1. Verfasser:	Damen, Wim G.M
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Arthropods - anatomy & histology Arthropods - embryology Body Patterning - physiology Embryo, Nonmammalian - anatomy & histology Embryo, Nonmammalian - embryology Gene Expression Regulation, Developmental Genes, Insect - physiology Models, Biological
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Beschreibung
Zusammenfassung:	Recent work has revealed a double segmental periodicity of gene expression in the centipede, a potential molecular explanation for the observation that this arthropod always has an odd number of trunk segments. Is this an oddity of centipedes, or might it mean that double segmental pair-rule patterning dates back to the Ur-arthropod?
ISSN:	0960-9822 1879-0445
DOI:	10.1016/j.cub.2004.07.010