Chordate origins of the vertebrate central nervous system

被引：107

作者：

Holland, LZ ^{[1
]}

Holland, ND ^{[1
]}

机构：

[1] Univ Calif San Diego, Scripps Inst Oceanog, Div Marine Biol Res, La Jolla, CA 92093 USA

来源：

CURRENT OPINION IN NEUROBIOLOGY | 1999年 / 9卷 / 05期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0959-4388(99)00003-3

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Fine structural, computerized three-dimensional (3D) mapping of cell connectivity in the amphioxus nervous system and comparative molecular genetic studies of amphioxus and tunicates have provided recent insights into the phylogenetic origin of the vertebrate nervous system. The results suggest that several of the genetic mechanisms for establishing and patterning the vertebrate nervous system already operated in the ancestral chordate and that the nerve cord of the proximate invertebrate ancestor of the vertebrates included a diencephalon, midbrain, hindbrain, and spinal cord. In contrast, the telencephalon, a midbrain-hindbrain boundary region with organizer properties, and the definitive neural crest appear to be vertebrate innovations.

引用

页码：596 / 602

页数：7

共 68 条

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