Plant and Cell Physiology, 1996, Vol. 37, No. 2 233-238
© 1996
Short Communication |
Structural and Functional Characterization of the Intergenic Spacer Region of the rDNA in Daucus carota
1Division of Biological Sciences, Graduate School of Science, Hokkaido University Sapporo, 060 Japan
2Laboratory of Cell Genetics, Department of Cell Biology, National Institute of Agrobiological Resources Present address: Kannondai, Tsukuba, Ibaraki, 305 Japan
The intergenic spacer (IGS) region of rDNA in Daucus carota contains at least eight kinds of repeated sequence. One sequence may act as a genuine initiation site for a stable transcript and another may act as a spacer promoter that may be an entry site for proteins required for transcription.
(Received August 22, 1995; Accepted March 10, 1995)
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