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The cyanelle S10 spc ribosomal protein gene operon from Cyanophora paradoxa by Christine B. Michalowski; Beatrix Pfanzagl; Wolfgang Löffelhardt; Hans J. Bohnert is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is The cyanelle S10 spc ribosomal protein gene operon from Cyanophora paradoxa about?

In Cyanophora paradoxa photosynthetic organelles termed cyanelles perform the functions of chloroplasts in higher plants, while the structural and biochemical characteristics of the cyanelle are essentially cyanobacterial. Our interest in studying the evolutionary relationship between cyanelles and chloroplasts led us to focus on cyanelle-encoded genes of the translational apparatus, specifically genes equivalent to those of the bacterial S10 and spc operons. The structure of a large ribosomal protein gene cluster from cyanelle DNA was characterized and compared with that from plastids and bacteria. Sequences of the following cyanelle genes encompassing 4.8 kb are reported here: 5'-rpl22-rps3-rpl16-rps17-rpl14-rpl5-rps8-rpl6-rpl18- rps5-3'. Cyanelles contain five more ribosomal protein genes than do higher plant chloroplasts and four more genes than Euglena gracilis plastids in the S10/spc region of this gene cluster. The gene encoding rpl36 is absent, in contrast to the case in other plastid DNAs. These genes, including the previously characterized genes rpl3, rpl2 and rps19, are transcribed as a primary transcript of approximately 7500 nucleotides. The occurrence of transcripts s

Who reads The cyanelle S10 spc ribosomal protein gene operon from Cyanophora paradoxa?

Author

Christine B. Michalowski; Beatrix Pfanzagl; Wolfgang Löffelhardt; Hans J. Bohnert

Publisher

Springer; Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC (ISSN 0026-8925)

Published

1990

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)