The existence of all three ParaHox genes in the clitellate annelid, Perionyx excavatus |
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Authors: | Bum Joon Park Sung-Jin Cho Eun Sik Tak Bo Eun Lee Soon Cheol Park |
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Institution: | (1) Department of Life Science, Chung-Ang University, 221 Hukseok-Dong, Dongjak-Ku, Seoul, 156-756, Republic of Korea;(2) Present address: Department of Molecular and Cell Biology, 385 LSA, University of California, Berkeley, CA 94720-3200, USA |
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Abstract: | A ParaHox gene cluster is composed of three genes (Gsx, Xlox, and Cdx). It has been proposed that all three ParaHox genes were present in the last common ancestor to the lophotrochozoan protostomes and the deuterostomes and that gene loss event has occurred in the ecdysozoan lineage. In this paper, we report the existence of all three ParaHox genes in Perionyx excavatus, a clitellate annelid. Although orthologs of each of the three ParaHox genes were previously discovered from other lopotrochozoan taxa, this study constitutes the first reported isolation of all three ParaHox genes in the same clitellate species.Bum Joon Park and Sung-Jin Cho contributed equally to this work. |
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Keywords: | ParaHox genes Perionyx excavatus Clitellate |
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