Suppressor of Hairless (Su(H)) is Required for Foregut Development in the Sea Urchin Embryo
Suppressor of Hairless (Su(H)) is Required for Foregut Development in the Sea Urchin Embryo
复制标题
海胆胚胎前肠发育需要无毛抑制剂 (Su(H))
DOI:
10.2108/zsj.26.686
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发表时间:
2009
期刊:
影响因子:
--
通讯作者:
Takashi Yamamoto
中科院分区:
文献类型:
--
作者:
K. Karasawa;N. Sakamoto;Kazumasa Fujita;H. Ochiai;T. Fujii;K. Akasaka;Takashi Yamamoto
In sea urchin embryos, Notch signaling is required to segregate non-skeletogenic mesoderm from early endomesoderm, and is involved in endoderm development. To further investigate the role of Notch signaling in the endoderm cell lineage, we cloned a cDNA for the Hemicentrotus pulcherrimus ortholog of Suppressor of Hairless (HpSu(H)), which is a major mediator of the Notch signaling pathway, examined the expression during development and performed a functional analysis. HpSu(H) mRNA was ubiquitously expressed up to the unhatched blastula stage, and expression was exclusively detected in the vegetal plate region from the hatched blastula stage and then in the archenteron at the gastrula stage. Perturbation of HpSu(H) by injection of the dominant negative form of HpSu(H) (dn-HpSu(H)) mRNA into fertilized eggs led to the disappearance of secondary mesenchyme cells at the tip of the archenteron in the gastrula and pigment cells in the pluteus larva, confirming that Notch signaling is required for non-skeletogenic mesoderm specification. In addition, injection of relatively high amounts of dn-HpSu(H) mRNA caused a defect or atrophy of the foregut in the archenteron at the pluteus stage. This result strongly suggests that Notch signaling is involved in foregut development during sea urchin development.
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DOI:
10.1242/dev.126.8.1703
发表时间:
1999
期刊:
Development (Cambridge, England)
影响因子:
--
作者:
Sherwood,DR;McClay,DR
通讯作者:
McClay,DR
DOI:
10.1242/dev.129.8.1945
发表时间:
2002
期刊:
Development (Cambridge, England)
影响因子:
--
作者:
Sweet,HylaC;Gehring,Michael;Ettensohn,CharlesA
通讯作者:
Ettensohn,CharlesA
DOI:
10.1242/dev.128.12.2221
发表时间:
2001
期刊:
Development (Cambridge, England)
影响因子:
--
作者:
Sherwood,DR;McClay,DR
通讯作者:
McClay,DR
影响因子:
2.7
作者:
COX, KH;DELEON, DV;ANGERER, RC
通讯作者:
ANGERER, RC
DOI:
10.1242/dev.126.23.5255
发表时间:
1999
期刊:
Development (Cambridge, England)
影响因子:
--
作者:
Sweet,HC;Hodor,PG;Ettensohn,CA
通讯作者:
Ettensohn,CA