No tail co-operates with non-canonical Wnt signaling to regulate posterior body morphogenesis in zebrafish

Florence Marlow, Encina M. Gonzalez, Chunyue Yin, Concepcion Rojo, Lilianna Solnica-Krezel

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

The vertebrate posterior body is formed by a combination of the gastrulation movements that shape the head and anterior trunk and posterior specific cell behaviors. Here, we investigated whether genes that regulate cell movements during gastrulation [no tail (ntl)/brachyury, knypek (kny) and pipetail (ppt)/wnt5] interact to regulate posterior body morphogenesis. Both kny;ntl and ppt;ntl double mutant embryos exhibit synergistic trunk and tail shortening by early segmentation. Gene expression analysis in the compound mutants indicates that anteroposterior germ-layer patterning is largely normal and that the tail elongation defects are not due to failure to specify or maintain posterior tissues. Moreover, ntl interacts with ppt and kny to synergistically regulate the posterior expression of the gene encoding bone morphogenetic protein 4 (bmp4) but not of other known T-box genes, fibroblast growth factor genes or caudal genes. Examination of mitotic and apoptotic cells indicates that impaired tail elongation is not simply due to decreased cell proliferation or increased cell death. Cell tracing in ppt;ntl and kny;ntl mutants demonstrates that the ventral derived posterior tailbud progenitors move into the tailbud. However, gastrulation-like convergence and extension movements and cell movements within the posterior tailbud are impaired. Furthermore, subduction movements of cells into the mesendoderm are reduced in kny;ntl and ppt;ntl mutants. We propose that Ntl and the non-canonical Wnt pathway components Ppt and Kny function in parallel, partially redundant pathways to regulate posterior body development. Our work initiates the genetic dissection of posterior body morphogenesis and links genes to specific tail-forming movements. Moreover, we provide genetic evidence for the notion that tail development entails a continuation of mechanisms regulating gastrulation together with mechanisms unique to the posterior body.

Original languageEnglish (US)
Pages (from-to)203-216
Number of pages14
JournalDevelopment
Volume131
Issue number1
DOIs
StatePublished - Jan 2004
Externally publishedYes

Fingerprint

Zebrafish
Morphogenesis
Tail
Gastrulation
Cell Movement
Genes
Bone Morphogenetic Protein 4
Gene Expression
Germ Layers
Head Movements
Wnt Signaling Pathway
Fibroblast Growth Factors
Vertebrates
Dissection
Cell Death
Embryonic Structures
Cell Proliferation

Keywords

  • Convergence
  • Extension
  • Gastrulation
  • Knypek
  • Pipetail (wnt5)
  • Silberblick (wnt11)
  • Subduction

ASJC Scopus subject areas

  • Anatomy
  • Cell Biology

Cite this

No tail co-operates with non-canonical Wnt signaling to regulate posterior body morphogenesis in zebrafish. / Marlow, Florence; Gonzalez, Encina M.; Yin, Chunyue; Rojo, Concepcion; Solnica-Krezel, Lilianna.

In: Development, Vol. 131, No. 1, 01.2004, p. 203-216.

Research output: Contribution to journalArticle

Marlow, F, Gonzalez, EM, Yin, C, Rojo, C & Solnica-Krezel, L 2004, 'No tail co-operates with non-canonical Wnt signaling to regulate posterior body morphogenesis in zebrafish', Development, vol. 131, no. 1, pp. 203-216. https://doi.org/10.1242/dev.00915
Marlow, Florence ; Gonzalez, Encina M. ; Yin, Chunyue ; Rojo, Concepcion ; Solnica-Krezel, Lilianna. / No tail co-operates with non-canonical Wnt signaling to regulate posterior body morphogenesis in zebrafish. In: Development. 2004 ; Vol. 131, No. 1. pp. 203-216.
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