ArticleAnnals of botany2017
Museomics resolve the systematics of an endangered grass lineage endemic to north-western Madagascar.
Article in Annals of botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 35 citations in OpenAlex.
- Increased resolution in the face of conflict: phylogenomics of the Neotropical bellflowers (Campanulaceae: Lobelioideae), a rapid plant radiation.Annals of botany · 2022Article
- Plastome phylogenomics and phylogenetic diversity of endangered and threatened grassland species (Poaceae) in a North American tallgrass prairie.Ecology and evolution · 2020Article
- Continued Adaptation of C4 Photosynthesis After an Initial Burst of Changes in the Andropogoneae Grasses.Systematic biology · 2020Article
- Museomics Unveil the Phylogeny and Biogeography of the Neglected Juan Fernandez ArchipelagoFrontiers in plant science · 2020Article
- Editorial: Integrative and Translational Uses of Herbarium Collections Across Time, Space, and Species.Frontiers in plant science · 2020Article
- Museomics Clarifies the Classification ofFrontiers in plant science · 2019Article
- Gene duplication and dosage effects during the early emergence of C4 photosynthesis in the grass genus Alloteropsis.Journal of experimental botany · 2018Article
- A 250 plastome phylogeny of the grass family (Poaceae): topological support under different data partitions.PeerJ · 2018Article
- Hundred Fifty Years of Herbarium Collections Provide a Reliable Resource of Volatile Terpenoid Profiles Showing Strong Species Effect in Four Medicinal Species ofFrontiers in plant science · 2018Article
- Phylogeography of herbarium specimens of asexually propagated paper mulberry [Broussonetia papyrifera (L.) L'Hér. ex Vent. (Moraceae)] reveals genetic diversity across the Pacific.Annals of botany · 2017Article
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6 authors at 5 institutions in 4 countries.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsRecent developments in DNA sequencing, so-called next-generation sequencing (NGS) methods, can help the study of rare lineages that are known from museum specimens. Here, the taxonomy and evolution of the Malagasy grass lineage Chasechloa was investigated with the aid of NGS.
methodsFull chloroplast genome data and some nuclear sequences were produced by NGS from old herbarium specimens, while some selected markers were generated from recently collected Malagasy grasses. In addition, a scanning electron microscopy analysis of the upper floret and cross-sections of the rachilla appendages followed by staining with Sudan IV were performed on Chasechloa to examine the morphology of the upper floret and the presence of oils in the appendages. KEY
resultsChasechloa was recovered within tribe Paniceae, sub-tribe Boivinellinae, contrary to its previous placement as a member of the New World genus Echinolaena (tribe Paspaleae). Chasechloa originated in Madagascar between the Upper Miocene and the Pliocene. It comprises two species, one of them collected only once in 1851. The genus is restricted to north-western seasonally dry deciduous forests. The appendages at the base of the upper floret of Chasechloa have been confirmed as elaiosomes, an evolutionary adaptation for myrmecochory.
conclusionsChasechloa is reinstated at the generic level and a taxonomic treatment is presented, including conservation assessments of its species. Our study also highlights the power of NGS technology to analyse relictual or probably extinct groups.
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