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Sequence of the tomato chloroplast DNA and evolutionary comparison of solanaceous plastid genomes

Kahlau, Sabine ; Aspinall, Sue ; Gray, John C ; Bock, Ralph

Journal of molecular evolution, 2006-08, Vol.63 (2), p.194-207 [Periódico revisado por pares]

Germany: Springer Nature B.V

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Título:
Sequence of the tomato chloroplast DNA and evolutionary comparison of solanaceous plastid genomes
Autor: Kahlau, Sabine ; Aspinall, Sue ; Gray, John C ; Bock, Ralph
Assuntos: Amino Acid Sequence ; Atropa belladonna ; Base Sequence ; Chromosome Mapping ; DNA, Chloroplast - chemistry ; DNA, Chloroplast - genetics ; DNA, Plant - chemistry ; DNA, Plant - genetics ; Evolution, Molecular ; Genes, Plant - genetics ; Genetics ; Genome, Plant - genetics ; Genomics ; Lycopersicon esculentum ; Lycopersicon esculentum - genetics ; Molecular Sequence Data ; Nicotiana tabacum ; Phylogeny ; Plastids - genetics ; Ribosomal Proteins - genetics ; RNA Editing - genetics ; RNA, Plant - chemistry ; RNA, Plant - genetics ; RNA, Plant - metabolism ; RNA, Ribosomal, 16S - chemistry ; RNA, Ribosomal, 16S - genetics ; Sequence Analysis, DNA ; Sequence Homology, Amino Acid ; Solanaceae ; Solanaceae - genetics ; Solanum
É parte de: Journal of molecular evolution, 2006-08, Vol.63 (2), p.194-207
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Tomato, Solanum lycopersicum (formerly Lycopersicon esculentum), has long been one of the classical model species of plant genetics. More recently, solanaceous species have become a model of evolutionary genomics, with several EST projects and a tomato genome project having been initiated. As a first contribution toward deciphering the genetic information of tomato, we present here the complete sequence of the tomato chloroplast genome (plastome). The size of this circular genome is 155,461 base pairs (bp), with an average AT content of 62.14%. It contains 114 genes and conserved open reading frames (ycfs). Comparison with the previously sequenced plastid DNAs of Nicotiana tabacum and Atropa belladonna reveals patterns of plastid genome evolution in the Solanaceae family and identifies varying degrees of conservation of individual plastid genes. In addition, we discovered several new sites of RNA editing by cytidine-to-uridine conversion. A detailed comparison of editing patterns in the three solanaceous species highlights the dynamics of RNA editing site evolution in chloroplasts. To assess the level of intraspecific plastome variation in tomato, the plastome of a second tomato cultivar was sequenced. Comparison of the two genotypes (IPA-6, bred in South America, and Ailsa Craig, bred in Europe) revealed no nucleotide differences, suggesting that the plastomes of modern tomato cultivars display very little, if any, sequence variation.
Editor: Germany: Springer Nature B.V
Idioma: Inglês

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Sequence of the tomato chloroplast DNA and evolutionary comparison of solanaceous plastid genomes

Kahlau, Sabine ; Aspinall, Sue ; Gray, John C ; Bock, Ralph

Germany: Springer Nature B.V

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