The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.
Function and evolution of a minimal plastid genome from a nonphotosynthetic parasitic plant.
Open accessAbstract
Complete nucleotide sequencing shows that the plastid genome of Epifagus virginiana, a nonphotosynthetic parasitic flowering plant, lacks all genes for photosynthesis and chlororespiration found in chloroplast genomes of green plants. The 70,028-base-pair genome contains only 42 genes, at least 38 of which specify components of the gene-expression apparatus of the plastid. Moreover, all chloroplast-encoded RNA polymerase genes and many tRNA and ribosomal protein genes have been lost. Since the genome is functional, nuclear gene products must compensate for some gene losses by means of previously unsuspected import mechanisms that may operate in all plastids. At least one of the four unassigned protein genes in Epifagus plastid DNA must have a nongenetic and nonbioenergetic function and, thereby, serve as the reason for the maintenance of an active genome. Many small insertions in the Epifagus plastid genome create tandem duplications and presumably arose by slippage mispairing during DNA replication. The extensive reduction in genome size in Epifagus reflects an intensification of the same processes of length mutation that govern the amount of noncoding DNA in chloroplast genomes. Remarkably, this massive pruning occurred with a virtual absence of gene order change.
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Cites
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Self-citationCell culture and somatic cell genetics of plants
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The mechanism and functions of ATP‐dependent proteases in bacterial and animal cells
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Self-citationFine structural features of the chloroplast genome: comparison of the sequenced chloroplast genomes
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Cited by
The evolution of the plastid chromosome in land plants: gene content, gene order, gene function
Wicke, S., Schneeweiss, G. M., dePamphilis, C. W., Müller, K. F., & Quandt, D. (2011) · Plant Molecular Biology · doi:10.1007/s11103-011-9762-4 · Cited by 1,624
Chloroplast DNA systematics: a review of methods and data analysis
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Tempo and Mode of Genome Evolution in the Budding Yeast Subphylum
Shen, X.-X., Opulente, D. A., Kominek, J., Zhou, X., Steenwyk, J. L., Buh, K. V., Haase, M. A. B., Wisecaver, J. H., Wang, M., Doering, D. T., et al. (2018) · Cell · doi:10.1016/j.cell.2018.10.023 · Cited by 619
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Metadata
- Authors
- Wolfe, K. H., Morden, C. W., & Palmer, J. D.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1992-11-15
- Volume
- 89
- Issue
- 22
- Pages
- 10648-10652
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2024979862
- Cited by
- 565
- References
- 16
- FWCI
- 6.74
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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