National Changhua University of Education Institutional Repository : Item 987654321/8994
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题名: Molecular Cloning of a Putative Membrane form Guanylyl Cyclase from the Crayfish Procambarus clarkii
作者: Liu, H. F.;C. Y. Lai;R. D. Watson;C. Y. Lee
贡献者: 生物系
日期: 2004-06
上传时间: 2011-05-16T07:39:45Z
出版者: Wiley-Blackwell
摘要: Available data indicate that crustacean hyperglycemic hormone (CHH) stimulates membrane-bound guanylyl cyclase (GC), producing cyclic guanosine 3′,5′-monophosphate, which in turn mediates the effect of CHH on carbohydrate metabolism. In the present study, we report the cloning of a cDNA (PcGC-M2) encoding a putative membrane form GC from the muscle of the crayfish, Procambarus clarkii. Analysis of the deduced amino acid sequence shows that PcGC-M2 contains the signature domains characteristic of membrane form GCs, including an extracellular ligand-binding domain, a single transmembrane, and intracellular kinase-like and cyclase catalytic domains. In addition, a C-terminal domain of 247 residues is present following the cyclase catalytic domain. PcGC-M2 is most closely related (33% identity) to a Drosophila membrane form GC (DrGC-1), and an Anopheles gambiae membrane form GC (AgaGC); the three GCs also share a similar distribution pattern of conserved cysteine residues in the extracellular domain. The PcGC-M2 transcript is expressed in several CHH target tissues, including muscle, hepatopancreas, heart, ovary, testis, and gill, suggesting that PcGC-M2 may participate in the signaling cascade activated by CHH.
關聯: Journal of Experimental Zoology Part A: Comparative Experimental Biology, 301(6):512-520
显示于类别:[生物技術研究所] 期刊論文

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