Abstract
The genes coding for tRNA-Cys (trnC), tRNA-Asn (trnN) and tRNA-Tyr (trnY) have been sequenced in a region of about 3.0 kb of the sunflower mitochondrial DNA. The trnC and trnY are genuine mitochondrial genes, while the trnN gene has a chloroplast origin. Despite their heterologous origin the three genes are transcribed. Their arrangement is the first detected in a highly conserved form in a specific group of advanced dicots.
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Base Sequence
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Blotting, Northern
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DNA, Mitochondrial / chemistry
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DNA, Mitochondrial / genetics*
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Genes, Plant*
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Helianthus / genetics*
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Molecular Sequence Data
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Nucleic Acid Hybridization
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Polymerase Chain Reaction
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RNA, Transfer, Amino Acid-Specific / genetics*
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RNA, Transfer, Asn / chemistry
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RNA, Transfer, Asn / genetics
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RNA, Transfer, Cys / chemistry
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RNA, Transfer, Cys / genetics
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RNA, Transfer, Tyr / chemistry
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RNA, Transfer, Tyr / genetics
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Sequence Alignment
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Sequence Homology, Nucleic Acid
Substances
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DNA, Mitochondrial
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RNA, Transfer, Amino Acid-Specific
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RNA, Transfer, Asn
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RNA, Transfer, Cys
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RNA, Transfer, Tyr
Associated data
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GENBANK/X73425
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GENBANK/X73426