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An aberrant plastid ribosomal RNA gene cluster in the root parasite Conopholis americana
C F Wimpee1, R Morgan, R Wrobel
1Department of Biological Sciences, University of Wisconsin-Milwaukee 53201.
Plant Molecular Biology
|January 1, 1992
Abstract:
The plastid ribisomal RNA (rRNA) operon of the achlorophyllous root parasite Conopholis americana was completely sequenced. Full-length rRNA genes are retained in the gene cluster, but significant divergence has occurred in the 16S, 23S and 5S genes. Both the 16S-23S intergenic spacer and the 4.5S-5S intergenic spacer have suffered substantial deletions, including the two tRNA genes typically found in prokaryotic and plastid 16S-23S spacers.