Physical map of chloroplast DNA of aerial yam,Dioscorea bulbifera L. |
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Authors: | R Terauchi T Terachi K Tsunewaki |
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Institution: | (1) Plant Germ-plasm Institute, Faculty of Agriculture, Kyoto University, 617 Kyoto, Japan;(2) Laboratory of Genetics, Faculty of Agriculture, Kyoto University, 606 Kyoto, Japan |
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Abstract: | Summary A physical map of chloroplast DNA (ctDNA) of aerial yam, Dioscorea bulbifera L. was constructed using three restriction endonucleases, PstI, SalI, and SmaI. In addition, a clone bank of the BamHI-digested fragments were generated, and the locations of most BamHI fragments on the map were also determined. The ctDNA of D. bulbifera was found to be a circular molecule with a total size of ca. 152 kb involving two inverted repeats of ca. 25.5 kb, and small and large single copy regions of ca. 18.5 and 83.4 kb, respectively. The genes for the large subunit of the ribulose 1,5-bisphosphate carboxylase (rbcL) and the ATP-synthase subunits and (atpB/atpE) were mapped.Contribution from the Plant Germ-plasm Institute and the Laboratory of Genetics (No. 504), Faculty of Agriculture, Kyoto University, Japan. The work was supported in part by a Grant-in-Aid (No. 60400005) from the Ministry of Education, Science and Culture, Japan |
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Keywords: | Aerial yam Dioscorea bulbifera L Chloroplast DNA Physical map Clone bank |
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