ArticleGenome biology and evolution2015
The Highly Reduced Plastome of Mycoheterotrophic Sciaphila (Triuridaceae) Is Colinear with Its Green Relatives and Is under Strong Purifying Selection.
Article in Genome biology and evolution, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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41 citing papers in PubMed, 84 citations in OpenAlex.
- Selective regime shifts and intracellular gene transfer in the organellar genomes of the mycoheterotrophic orchidFrontiers in plant science · 2026Article
- The evolution of the plastid genomes in the holoparasitic Balanophoraceae.Proceedings. Biological sciences · 2025Article
- Phylogenetic position and plastid genome structure ofFrontiers in plant science · 2024Article
- Plastid phylogenomics reveals evolutionary relationships in the mycoheterotrophic orchid genusFrontiers in plant science · 2024Article
- Habitat-related plastome evolution in the mycoheterotrophic Neottia listeroides complex (Orchidaceae, Neottieae).BMC plant biology · 2023Article
- The dynamic history of plastome structure across aquatic subclass Alismatidae.BMC plant biology · 2023Article
- 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
- Evolutionary differences in gene loss and pseudogenization among mycoheterotrophic orchids in the tribe Vanilleae (subfamily Vanilloideae).Frontiers in plant science · 2023Article
- New Insights Into The Evolution of Chloroplast Genomes inEvolutionary bioinformatics online · 2023Article
- The extremely reduced, diverged and reconfigured plastomes of the largest mycoheterotrophic orchid lineage.BMC plant biology · 2022Article
- Phylogenomic resolution of order- and family-level monocot relationships using 602 single-copy nuclear genes and 1375 BUSCO genes.Frontiers in plant science · 2022Article
- Comparative chloroplast genome analysis ofFrontiers in plant science · 2022Article
- Comparative Analysis of Plastid Genomes in the Non-photosynthetic GenusFrontiers in plant science · 2021Article
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- Discordant Phylogenomic Placement of Hydnoraceae and Lactoridaceae Within Piperales Using Data From All Three Genomes.Frontiers in plant science · 2021Article
- Comparative Plastome Analysis of Root- and Stem-Feeding Parasites of Santalales Untangle the Footprints of Feeding Mode and Lifestyle Transitions.Genome biology and evolution · 2020Article
- Plastome of the mycoheterotrophic eudicotPeerJ · 2020Article
- Mycoheterotrophic Epirixanthes (Polygalaceae) has a typical angiosperm mitogenome but unorthodox plastid genomes.Annals of botany · 2019Article
- Plastid Genomes of Carnivorous PlantsInternational journal of molecular sciences · 2019Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The enigmatic monocot family Triuridaceae provides a potentially useful model system for studying the effects of an ancient loss of photosynthesis on the plant plastid genome, as all of its members are mycoheterotrophic and achlorophyllous. However, few studies have placed the family in a comparative context, and its phylogenetic placement is only partly resolved. It was also unclear whether any taxa in this family have retained a plastid genome. Here, we used genome survey sequencing to retrieve plastid genome data for Sciaphila densiflora (Triuridaceae) and ten autotrophic relatives in the orders Dioscoreales and Pandanales. We recovered a highly reduced plastome for Sciaphila that is nearly colinear with Carludovica palmata, a photosynthetic relative that belongs to its sister group in Pandanales, Cyclanthaceae-Pandanaceae. This phylogenetic placement is well supported and robust to a broad range of analytical assumptions in maximum-likelihood inference, and is congruent with recent findings based on nuclear and mitochondrial evidence. The 28 genes retained in the S. densiflora plastid genome are involved in translation and other nonphotosynthetic functions, and we demonstrate that nearly all of the 18 protein-coding genes are under strong purifying selection. Our study confirms the utility of whole plastid genome data in phylogenetic studies of highly modified heterotrophic plants, even when they have substantially elevated rates of substitution.
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