ArticleGenome biology and evolution2018
Recurrent Loss, Horizontal Transfer, and the Obscure Origins of Mitochondrial Introns in Diatoms (Bacillariophyta).
Article in Genome biology and evolution, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 27 citations in OpenAlex.
- Craticula vanensis sp. nov., a new species of diatom with a complex mitogenome, inhabiting soda lakes in central Europe and Anatolia.Scientific reports · 2026Article
- An Alternative Self-Splicing Intron Lifecycle Revealed by Dynamic Intron Turnover in Epichloë Endophyte Mitochondrial Genomes.Molecular biology and evolution · 2025Article
- Nuclear Transformation of the Marine Pennate Diatom Nitzschia sp. Strain NIES-4635 by Multi-Pulse Electroporation.Marine biotechnology (New York, N.Y.) · 2023Article
- Categorizing 161 plant (streptophyte) mitochondrial group II introns into 29 families of related paralogues finds only limited links between intron mobility and intron-borne maturases.BMC ecology and evolution · 2023Article
- Comparative Analysis of Bacillariophyceae Chloroplast Genomes Uncovers Extensive Genome Rearrangements Associated with Speciation.International journal of environmental research and public health · 2022Article
- Evolutionary Adjustment of tRNA Identity Rules in Bacillariophyta for Recognition by an Aminoacyl-tRNA Synthetase Adds a Facet to the Origin of Diatoms.Journal of molecular evolution · 2022Article
- Group II intron and repeat-rich red algal mitochondrial genomes demonstrate the dynamic recent history of autocatalytic RNAs.BMC biology · 2022Article
- The complete mitochondrial genome ofFrontiers in microbiology · 2022Article
- Diatom Biodiversity and Speciation Revealed by Comparative Analysis of Mitochondrial Genomes.Frontiers in plant science · 2022Article
- The genome of a nonphotosynthetic diatom provides insights into the metabolic shift to heterotrophy and constraints on the loss of photosynthesis.The New phytologist · 2021Article
- Comparative analysis of full-length mitochondrial genomes of five Skeletonema species reveals conserved genome organization and recent speciation.BMC genomics · 2021Article
- Organellar Introns in Fungi, Algae, and Plants.Cells · 2021Review
- Diploid genomic architecture of Nitzschia inconspicua, an elite biomass production diatom.Scientific reports · 2021Article
- Mitochondrial Genome Evolution in Pelagophyte Algae.Genome biology and evolution · 2021Article
- Definition of a High-Resolution Molecular Marker for Tracking the Genetic Diversity of the Harmful Algal SpeciesFrontiers in microbiology · 2021Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We sequenced mitochondrial genomes from five diverse diatoms (Toxarium undulatum, Psammoneis japonica, Eunotia naegelii, Cylindrotheca closterium, and Nitzschia sp.), chosen to fill important phylogenetic gaps and help us characterize broadscale patterns of mitochondrial genome evolution in diatoms. Although gene content was strongly conserved, intron content varied widely across species. The vast majority of introns were of group II type and were located in the cox1 or rnl genes. Although recurrent intron loss appears to be the principal underlying cause of the sporadic distributions of mitochondrial introns across diatoms, phylogenetic analyses showed that intron distributions superficially consistent with a recurrent-loss model were sometimes more complicated, implicating horizontal transfer as a likely mechanism of intron acquisition as well. It was not clear, however, whether diatoms were the donors or recipients of horizontally transferred introns, highlighting a general challenge in resolving the evolutionary histories of many diatom mitochondrial introns. Although some of these histories may become clearer as more genomes are sampled, high rates of intron loss suggest that the origins of many diatom mitochondrial introns are likely to remain unclear.
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