Hroth, an orthodenticle-related homeobox gene of the ascidian, Halocynthia roretzi: Its expression and putative roles in the axis formation during embryogenesis

被引：114

作者：

Wada, S ^{[1
]}

Katsuyama, Y ^{[1
]}

Sato, Y ^{[1
]}

Itoh, C ^{[1
]}

Saiga, H ^{[1
]}

机构：

[1] TOKYO METROPOLITAN UNIV, FAC SCI, DEPT BIOL, HACHIOJI, TOKYO 19203, JAPAN

来源：

MECHANISMS OF DEVELOPMENT | 1996年 / 60卷 / 01期

关键词：

ascidian; body axis formation; gastrulation; Orthodenticle;

D O I：

10.1016/S0925-4773(96)00600-4

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

To obtain insight into the axis-forming mechanism in ascidian embryogenesis, Hroth, an ascidian counterpart of orthodenticlelotx, was isolated from Halocynthia roretzi and its expression in embryogenesis was examined by whole mount in situ hybridization. It was revealed that Hroth is expressed in both involuting mesoendoderm and anterior ectoderm during gastrulation while later expression is restricted to the sensory vesicle and anterior epidermis. Expression pattern of Hroth around gastrulation was compared with that of Hrlim, the ascidian LIM class homeobox gene that is known to be expressed during gastrulation. In the light of the present findings on the expression of Hroth, properties of the axis-forming mechanism in ascidian embryogenesis are discussed.

引用

页码：59 / 71

页数：13

共 51 条

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