ArticleBMC plant biology2007
Complete plastid genome sequences suggest strong selection for retention of photosynthetic genes in the parasitic plant genus Cuscuta.
Article in BMC plant biology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 113 papers.
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113 citing papers in PubMed, 203 citations in OpenAlex.
- Loss, persistence and reversal of phenotypic traits.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Vestigial Plastids in Parasitic Plants: Evolutionary Remnants or Adaptive Innovations?Plant, cell & environment · 2026Review
- Chromosome level assembly and annotation of Cuscuta campestris Yunck. ("field dodder"), a model parasitic plant.G3 (Bethesda, Md.) · 2025Article
- Pan-Plastome Analysis Reveals the Genetic Diversity and Genetic Divergence ofInternational journal of molecular sciences · 2025Article
- Comparative plastomes of fiveAoB PLANTS · 2025Article
- Elucidating the evolutionary dynamics of parasitism in Cuscuta: in-depth phylogenetic reconstruction and extensive plastomes reduction.BMC genomics · 2025Article
- Application of RAPD markers forPhytoKeys · 2025Article
- Article
- Comparative and phylogenetic analyses of Loranthaceae plastomes provide insights into the evolutionary trajectories of plastome degradation in hemiparasitic plants.BMC plant biology · 2024Article
- Correction: variations and reduction of plastome are associated with the evolution of parasitism in Convolvulaceae.Plant molecular biology · 2024Article
- Parthenogenetic Stick Insects Exhibit Signatures of Preservation in the Molecular Architecture of Male Reproduction.Genome biology and evolution · 2024Article
- Unprecedented variation pattern of plastid genomes and the potential role in adaptive evolution in Poales.BMC biology · 2024Article
- Variations and reduction of plastome are associated with the evolution of parasitism in Convolvulaceae.Plant molecular biology · 2024Article
- Comparative plastome analysis of the sister genera Ceratocephala and Myosurus (Ranunculaceae) reveals signals of adaptive evolution to arid and aquatic environments.BMC plant biology · 2024Article
- The plant vampire diaries: a historic perspective on Cuscuta research.Journal of experimental botany · 2023Review
- Article
- Phylotranscriptomic Analyses of Mycoheterotrophic Monocots Show a Continuum of Convergent Evolutionary Changes in Expressed Nuclear Genes From Three Independent Nonphotosynthetic Lineages.Genome biology and evolution · 2023Article
- Dynamic hybridization between two spleenworts,Frontiers in plant science · 2023Article
- Article
- Loss of plastidComputational and structural biotechnology journal · 2023Article
53 more citing papers are in PubMed but not listed here.
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4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPlastid genome content and protein sequence are highly conserved across land plants and their closest algal relatives. Parasitic plants, which obtain some or all of their nutrition through an attachment to a host plant, are often a striking exception. Heterotrophy can lead to relaxed constraint on some plastid genes or even total gene loss. We sequenced plastid genomes of two species in the parasitic genus Cuscuta along with a non-parasitic relative, Ipomoea purpurea, to investigate changes in the plastid genome that may result from transition to the parasitic lifestyle.
resultsAside from loss of all ndh genes, Cuscuta exaltata retains photosynthetic and photorespiratory genes that evolve under strong selective constraint. Cuscuta obtusiflora has incurred substantially more change to its plastid genome, including loss of all genes for the plastid-encoded RNA polymerase. Despite extensive change in gene content and greatly increased rate of overall nucleotide substitution, C. obtusiflora also retains all photosynthetic and photorespiratory genes with only one minor exception.
conclusionAlthough Epifagus virginiana, the only other parasitic plant with its plastid genome sequenced to date, has lost a largely overlapping set of transfer-RNA and ribosomal genes as Cuscuta, it has lost all genes related to photosynthesis and maintains a set of genes which are among the most divergent in Cuscuta. Analyses demonstrate photosynthetic genes are under the highest constraint of any genes within the plastid genomes of Cuscuta, indicating a function involving RuBisCo and electron transport through photosystems is still the primary reason for retention of the plastid genome in these species.
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