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XB-ART-3754
Genes Genet Syst 2004 Feb 01;791:49-51. doi: 10.1266/ggs.79.49.
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Construction of BAC library for the amphibian Xenopus tropicalis.

Ishii Y , Asakawa S , Taguchi Y , Ishibashi S , Yagi T , Shimizu N .


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Xenopus tropicalis has become an alternative model to the amphibian Xenopus laevis because it is better suited for genetic and genomic studies. We have constructed a genomic BAC library consisting of over 100,000 clones from sperm of Xenopus tropicalis. Analysis by pulsed field gel electrophoresis of representative BAC clones indicated the average size of insert DNA to be 100 kb, and we estimated the library covers 6 times the Xenopus tropicalis genome of 1.7 x 10(9) base pairs. To evaluate the BAC library, we attempted to isolate BAC clones which contain a protocadherin gamma (Pcdh gamma) gene and found that the isolated BAC clones are assembled as two separate contigs. This result suggests the presence of at least two clusters for the Pcdh gamma gene in the genome of X. tropicalis.

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