Heterotopic shift of epithelial-mesenchymal interactions in vertebrate jaw evolution

被引：140

作者：

Shigetani, Y

Sugahara, F

Kawakami, Y

Murakami, Y

Hirano, S

Kuratani, S ^{[1
]}

机构：

[1] RIKEN, Ctr Dev Biol, Lab Evolut Morphol, Wako, Saitama 6500047, Japan

[2] Okayama Univ, Dept Biol, Okayama 7008530, Japan

[3] Niigata Univ, Dept Med Technol, Niigata 9518518, Japan

来源：

SCIENCE | 2002年 / 296卷 / 5571期

关键词：

D O I：

10.1126/science.1068310

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Genes involved in Late specification of the mandibular arch, the source of the vertebrate jaw, are expressed with similar patterns in the oral regions of chick and lamprey embryos. However, morphological comparisons indicate that apparently orthologous homeobox genes were expressed in different subdivisions of the ectomesenchyme in the two species. Therefore, the homology and gene expression of the oral region are uncoupled during the transition from agnathan to gnathostome; we conclude that a heterotopic shift of tissue interaction was involved in the evolution of the jaw.

引用

页码：1316 / 1319

页数：4

共 21 条

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