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PMID: 2102858 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Codon recognition mechanisms in plant chloroplasts.

Plant molecular biology ·Vol. 14 ·No. 5 ·1990-05-00 ·Pages 805-14

Pfitzinger H, Weil JH, Pillay DT, Guillemaut P

Abstract

In chloroplasts, all 61 sense codons are found in chloroplast (cp) DNA sequences coding for proteins. However among the sequenced cp tRNAs or tRNA genes, tRNAs with anticodons complementary to codons CUU/C (Leu), CCU/C (Pro), GCU/C (Ala) and CGC/A/G (Arg) [or CGC/A (Arg) in Marchantia] have not been found. In this paper we show that cp tRNA(Ala)(U*GC) cp tRNA(Pro)(U*GG) and cp tRNA(Arg)(ICG) are able to decode the corresponding four-codon family. In the case of leucine codons CUU/C, we show that 'U:U and U:C wobble' mechanisms can operate to allow the reading of these codons by cp tRNA(Leu)(UAm7G).

MeSH Terms

Amino Acid Sequence Anticodon/genetics Base Sequence Chloroplasts/metabolism Codon/genetics Molecular Sequence Data Plants/genetics Protein Biosynthesis RNA, Transfer, Amino Acid-Specific/genetics

Chemicals

Anticodon Codon RNA, Transfer, Amino Acid-Specific

Authors & Affiliations

4 authors, click to expand affiliations / ORCID

Pfitzinger H

Institut de Biologie Moléculaire des Plantes, Université Louis Pasteur, Strasbourg, France.

Weil J H

Pillay D T

Guillemaut P

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Article Info

Journal

Plant molecular biology

Abbr.

Plant Mol Biol

ISSN

0167-4412

DOI

10.1007/BF00016513

Published

1990-05-00

Pages

805-14

Language

English

Region

Netherlands

NLM ID

9106343

Subset

External Links

PubMed source DOI: 10.1007/BF00016513 View journal details

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