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Evolutionary dynamics of the plastid inverted repeat: the effects of expansion, contraction, and loss on substitution rates.
Rates of nucleotide substitution were previously shown to be several times slower in the plastid inverted repeat (IR) compared with single-copy (SC) regions, suggesting that the IR provides enhancedExpand
Ginkgo and Welwitschia Mitogenomes Reveal Extreme Contrasts in Gymnosperm Mitochondrial Evolution.
Mitochondrial genomes (mitogenomes) of flowering plants are well known for their extreme diversity in size, structure, gene content, and rates of sequence evolution and recombination. In contrast,Expand
Predominant and Substoichiometric Isomers of the Plastid Genome Coexist within Juniperus Plants and Have Shifted Multiple Times during Cupressophyte Evolution
Most land plant plastomes contain two copies of a large inverted repeat (IR) that promote high-frequency homologous recombination to generate isomeric genomic forms. Among conifer plastomes, thisExpand
Multiple origins of endosymbionts in Chlorellaceae with no reductive effects on the plastid or mitochondrial genomes
Ancient endosymbiotic relationships have led to extreme genomic reduction in many bacterial and eukaryotic algal endosymbionts. Endosymbionts in more recent and/or facultative relationships can alsoExpand
Complete mitochondrial genomes from the ferns Ophioglossum californicum and Psilotum nudum are highly repetitive with the largest organellar introns.
Currently, complete mitochondrial genomes (mitogenomes) are available from all major land plant lineages except ferns. Sequencing of fern mitogenomes could shed light on the major evolutionaryExpand
Limited mitogenomic degradation in response to a parasitic lifestyle in Orobanchaceae
In parasitic plants, the reduction in plastid genome (plastome) size and content is driven predominantly by the loss of photosynthetic genes. The first completed mitochondrial genomes (mitogenomes)Expand
Phylogenomic evidence for ancient recombination between plastid genomes of the Cupressus-Juniperus-Xanthocyparis complex (Cupressaceae)
BackgroundPhylogenetic relationships among Eastern Hemisphere cypresses, Western Hemisphere cypresses, junipers, and their closest relatives are controversial, and generic delimitations have been inExpand
Complete loss of RNA editing from the plastid genome and most highly expressed mitochondrial genes of Welwitschia mirabilis
Comparative genomics among gymnosperms suggested extensive loss of mitochondrial RNA editing sites from Welwitschia mirabilis based on predictive analysis. However, empirical or transcriptome data toExpand
Extensive shifts from cis to trans splicing of gymnosperm mitochondrial introns.
Hundreds of plant mitogenomes have been sequenced from angiosperms, but relatively few mitogenomes are available from its sister lineage, gymnosperms. To examine mitogenomic diversity among extantExpand
Comparative evolutionary analysis of organellar genomic diversity in green plants
Endosymbiotic bacteria have been reported with extraordinary reduced genome in numerous cases. Many endosymbiotic green algae also show extreme genomic reduction of their nuclear genomes, but theyExpand
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