Complete plastome sequences of Equisetum arvense and Isoetes flaccida
Author Information
Author(s): Karol Kenneth G, Arumuganathan Kathiravetpillai, Boore Jeffrey L, Duffy Aaron M, Everett Karin DE, Hall John D, Hansen S Kellon, Kuehl Jennifer V, Mandoli Dina F, Mishler Brent D, Olmstead Richard G, Renzaglia Karen S, Wolf Paul G
Primary Institution: The Lewis B. and Dorothy Cullman Program for Molecular Systematics Studies, The New York Botanical Garden
Hypothesis
How do complete plastome sequences contribute to understanding the phylogeny and evolution of early land plants?
Conclusion
The study provides new evidence supporting the monophyly of monilophytes and clarifies relationships among early land plant lineages.
Supporting Evidence
- The plastome sequences of Equisetum arvense and Isoetes flaccida were analyzed to infer phylogenetic relationships.
- Phylogenetic analysis supported monophyly for embryophytes, lycophytes, monilophytes, and seed plants.
- New evidence for monophyly of monilophytes was found despite previous disputes based on morphological and fossil evidence.
Takeaway
Scientists looked at the DNA of two plants to learn more about how early plants evolved and found new evidence that some groups of plants are closely related.
Methodology
The study involved sequencing and analyzing complete plastomes of Equisetum arvense and Isoetes flaccida, comparing gene content, gene order, and structural features.
Limitations
The study does not provide detailed comparative plastome analyses for charophycean algae and seed plants.
Digital Object Identifier (DOI)
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