ArticleCurrent genetics2012
Reconstruction of structural evolution in the trnL intron P6b loop of symbiotic Nostoc (Cyanobacteria).
Article in Current genetics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 18 citations in OpenAlex.
- Expanding the geographic and host range of moss-nostocacean symbioses in central Europe.Oecologia · 2026Article
- Diversity ofMicroorganisms · 2021Article
- Complex Interaction Networks Among Cyanolichens of a Tropical Biodiversity Hotspot.Frontiers in microbiology · 2021Article
- A case study on the re-establishment of the cyanolichen symbiosis: where do the compatible photobionts come from?Annals of botany · 2019Article
- Ecological Specialization of Two Photobiont-Specific Maritime Cyanolichen Species of the Genus Lichina.PloS one · 2015Article
- Effect of IAA on in vitro growth and colonization of Nostoc in plant roots.Frontiers in plant science · 2015Article
- Evolution of the tRNALeu (UAA) Intron and Congruence of Genetic Markers in Lichen-Symbiotic Nostoc.PloS one · 2015Article
- Article
- Root colonization and phytostimulation by phytohormones producing entophytic Nostoc sp. AH-12.Current microbiology · 2013Article
- Mobile elements in a single-filament orange Guaymas Basin Beggiatoa ("Candidatus Maribeggiatoa") sp. draft genome: evidence for genetic exchange with cyanobacteria.Applied and environmental microbiology · 2013Article
- Geographic mosaic of symbiont selectivity in a genus of epiphytic cyanolichens.Ecology and evolution · 2012Article
- Cyanobacteria produce a high variety of hepatotoxic peptides in lichen symbiosis.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
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Authors and funding
3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
In this study we reconstruct the structural evolution of the hyper-variable P6b region of the group I trnLeu intron in a monophyletic group of lichen-symbiotic Nostoc strains and establish it as a useful marker in the phylogenetic analysis of these organisms. The studied cyanobacteria occur as photosynthetic and/or nitrogen-fixing symbionts in lichen species of the diverse Nephroma guild. Phylogenetic analyses and secondary structure reconstructions are used to improve the understanding of the replication mechanisms in the P6b stem-loop and to explain the observed distribution patterns of indels. The variants of the P6b region in the Nostoc clade studied consist of different combinations of five sequence modules. The distribution of indels together with the ancestral character reconstruction performed enables the interpretation of the evolution of each sequence module. Our results indicate that the indel events are usually associated with single nucleotide changes in the P6b region and have occurred several times independently. In spite of their homoplasy, they provide phylogenetic information for closely related taxa. Thus we recognize that features of the P6b region can be used as molecular markers for species identification and phylogenetic studies involving symbiotic Nostoc cyanobacteria.
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