Regulation and function of tailless in the long germ wasp Nasonia vitripennis

Jeremy A. Lynch, Eugenia C. Olesnicky, Claude Desplan

Research output: Contribution to journalArticle

Abstract

In the long germ insect Drosophila, the gene tailless acts to pattern the terminal regions of the embryo. Loss of function of this gene results in the deletion of the anterior and posterior terminal structures and the eighth abdominal segment. Drosophila tailless is activated by the maternal terminal system through Torso signaling at both poles of the embryo, with additional activation by Bicoid at the anterior. Here, we describe the expression and function of tailless in a long germ Hymenoptera, the wasp Nasonia vitripennis. Despite the morphological similarities in the mode of development of these two insects, we find major differences in the regulation and function of tailless between Nasonia and Drosophila. In contrast to the fly, Nasonia tll appears to rely on otd for its activation at both poles. In addition, the anterior domain of Nasonia tll appears to have little or no segmental patterning function, while the posterior tll domain has a much more extensive patterning role than its Drosophila counterpart.

Original languageEnglish (US)
Pages (from-to)493-498
Number of pages6
JournalDevelopment Genes and Evolution
Volume216
Issue number7-8
DOIs
StatePublished - Jul 2006

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Nasonia vitripennis
Wasps
Nasonia
wasp
Drosophila
embryo
insect
gene
Insects
Embryonic Structures
torso
Torso
insects
Hymenoptera
Diptera
Genes
genes
Mothers
germ
regulation

Keywords

  • Evolution of development
  • Nasonia
  • Orthodenticle
  • Tailless
  • Terminal system

ASJC Scopus subject areas

  • Developmental Biology
  • Cell Biology
  • Genetics
  • Ecology, Evolution, Behavior and Systematics

Cite this

Regulation and function of tailless in the long germ wasp Nasonia vitripennis. / Lynch, Jeremy A.; Olesnicky, Eugenia C.; Desplan, Claude.

In: Development Genes and Evolution, Vol. 216, No. 7-8, 07.2006, p. 493-498.

Research output: Contribution to journalArticle

Lynch, Jeremy A. ; Olesnicky, Eugenia C. ; Desplan, Claude. / Regulation and function of tailless in the long germ wasp Nasonia vitripennis. In: Development Genes and Evolution. 2006 ; Vol. 216, No. 7-8. pp. 493-498.
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