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XB-ART-40574
J Vet Med Sci 2009 Oct 01;7110:1407-11. doi: 10.1292/jvms.001407.
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Molecular cloning of novel cytochrome P450 1A genes from nine Japanese amphibian species.

Nakayama SM , Tanaka-Ueno T , Sakamoto KQ , Fujita S , Ishizuka M .


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Novel cytochrome P450 1A (CYP1A) cDNA fragments were isolated from the liver of nine Japanese amphibian species using reverse transcription polymerase chain reaction (RT-PCR). Degenerate PCR primers were used to amplify 122-bp fragments of CYP1A cDNAs. Construction of a phylogenetic tree revealed that urodele and anuran amphibians formed two branches. Within the anuran species, three branches were formed: 1) Ranidae and Rhacophoridae, 2) Bufo japonicus formosus and Hyla japonica, and 3) Xenopus laevis. The cDNA nucleotide sequence of these CYP1A fragments showed identities ranging 72-98% (all), 72-78% (Anura vs. Urodela), 75 to 98% (Anura), 81% (Urodela), 74-80% (Xenopus laevis vs. nine Japanese amphibians).

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Species referenced: Xenopus laevis
Genes referenced: cyp1a1 cyp4b1