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PMID: 7024906 Published · ppublish English Comparative Study Journal Article Research Support, Non-U.S. Gov't

The rRNA operon from Zea mays chloroplasts: nucleotide sequence of 23S rDNA and its homology with E.coli 23S rDNA.

Nucleic acids research ·Vol. 9 ·No. 12 ·1981-06-25 ·Pages 2853-69

Edwards K, Kössel H

Abstract

The nucleotide sequence of 23S rDNA from Zea mays chloroplasts has been determined. Alignment with 23S rDNA from E.coli reveals 71 percent homology when maize 4.5S rDNA is included as an equivalent of the 3' end of E.coli 23S rDNA. Among the conserved sequences are sites for base modification. Chloramphenicol sensitivity and ribosomal subunit interaction. A proposal for the base pairs formed between 16S and 23S rRNAs during the 30S/50S subunit interaction is presented. The alignment of maize 23S rDNA with that of E.coli reveals three small insertion sequences of 25, 65 and 78 base pairs, whereas maize 16S rDNA shows only deletions when compared with the E.coli species.

MeSH Terms
Base Sequence Chloroplasts/analysis DNA, Bacterial/genetics Escherichia coli/genetics Operon Plants/genetics RNA, Ribosomal/genetics Species Specificity Zea mays/genetics
Chemicals
DNA, Bacterial RNA, Ribosomal
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Edwards K
Kössel H
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28 references, click to expand
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Article Info
Journal
Nucleic acids research
Abbr.
Nucleic Acids Res
ISSN
0305-1048
DOI
10.1093/nar/9.12.2853
Published
1981-06-25
Pages
2853-69
Language
English
Region
England
NLM ID
0411011
PMCID
PMC326898
Subset
IM
Databases
GENBANK
X01365
External Links
PubMed source DOI: 10.1093/nar/9.12.2853 PMC Full Text View journal details
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