A conserved sequence in internal transcribed spacer 1 of plant nuclear rRNA genes
Open Access
- 1 October 1994
- journal article
- research article
- Published by Springer Nature in Plant Molecular Biology
- Vol. 26 (2), 775-778
- https://doi.org/10.1007/bf00013763
Abstract
A highly conserved sequence was found in rRNA gene internal transcribed spacer 1 (ITS1) among flowering plant species. The sequence, GGCRY-(4 to 7 n)-GYGYCAAGGAA (where Y=C or T; R=G or A) is located in the central region of ITS1, and is present in published sequences from a wide range of flowering plants. The rest of ITS1 is highly variable in sequence. Therefore, the conserved motif within ITS1 may have a key function in the processing of rRNA gene transcripts. Furthermore, identification of such a conserved motif will help facilitate alignment of sequences for phylogenetic analysis.Keywords
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