N-Terminal Amino Acid Sequence Comparison of Asian Horseshoe Crab Hemocyanins: Immunologically Identical Hemocyanin Subunits Are Orthologous in Asian Horseshoe Crabs

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概要

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• Each hemocyanin of the 3 Asian horseshoe crabs is composed of 6 immunologically different subunits, each subunit of which is immunologically identical with the comparable subunits of 2 other species. These immunologically identical subunits show 0-15% N-terminal sequence differences between Carcinoscorpius rotundicauda and Tachypleus gigas, while the immunologically different subunits show 25-74% sequence differences within species and 25-72% between C. rotundicauda and T. gigas. From the N-terminal sequence comparison and immunological comparison of hemocyanin subunits, it is evident that Asian horseshoe crabs share 6 orthologous hemocyanin subunits which are immunologically identical. We may produce 6 phylogenetic trees of Asian horseshoe crabs using the 6 sets of orthologous hemocyanin subunits and an evolutionary tree of horseshoe crab's hemocyanin molecules.

• 社団法人日本動物学会の論文

著者

• Sugita Hiroaki

  Institute Of Biological Science University Of Tsukuba

• Murayama Hiroshi

  Institute Of Biological Science University Of Tsukuba

関連論文

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• Identification of Orthologous Hemocyanin Subunits in Scorpions : The First Step to Produce a Phylogenetic Tree Using Amino Acid Sequence Data
• Amplexus and Mating Behavior in the Japanese Horseshoe Crab, Tachypleus tridentatus
• Lactate Dehydrogenase of the Horseshoe Crabs and Their Hybrids(Biochemistry)
• Swelling Mechanism of the Embryo of the Japanese Horseshoe Crab, Tachypleus tridentatus
• A Case of Orthologous Sequences of Hemocyanin Subunits for an Evolutionary Study of Horseshoe Crabs : Amino Acid Sequence Comparison of Immunologically Identical Subunits of Carcinoscorpius rotundicauda and Tachypleus tridentatus
• N-Terminal Amino Acid Sequence Comparison of Asian Horseshoe Crab Hemocyanins: Immunologically Identical Hemocyanin Subunits Are Orthologous in Asian Horseshoe Crabs

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