Using bacteria to analyze sequences involved in chloroplast gene expression |
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| Authors: | Anthony A. Gatenby Steven J. Rothstein Douglas Bradley |
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| Affiliation: | (1) Central Research and Development Department, Experimental Station, E.I. du Pont de Nemours & Co., 19898 Wilmington, DE, USA;(2) Department of Molecular Biology and Genetics, University of Guelph, N1G 2W1 Guelph, Ontario, Canada;(3) Department of Molecular Genetics, Plant Breeding Institute, CB2 2LQ Trumpington, Cambridge, UK |
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| Abstract: | The complete nucleotide sequence of chloroplast DNA from a liverwort, Marchantia polymorpha has made clear the entire gene organization of the chloroplast genome. Quite a few genes encoding components of photosynthesis and protein synthesis machinery have been identified by comparative computer analysis. Other genes involved in photosynthesis, respiratory electron transport, and membrane-associated transport in chloroplasts were predicted by the amino acid sequence homology and secondary structure of gene products. Thirty-three open reading frames in the liverwort chloroplast genome remain unidentified. However, most of these open reading frames are also conserved in the chloroplast genomes of two species, a liverwort, Marchantia polymorpha, and tobacco, Nicotiana tabacum, indicating their active functions in chloroplasts.Abbreviations bp base pair - kDa kilodalton - IR inverted repeat - ORF open reading frame - DALA  -aminolevulinate |
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| Keywords: | chloroplasts iron-sulfur protein membrane transport protein Marchantia polymorpha NADH(PQ) oxidoreductase |
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