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Journal article
Chloroplast genome evolution and phylogeny of the early‐diverging charophycean green algae with a focus on the Klebsormidiophyceae and Streptofilum
Journal of phycology
07 Aug 2023
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Abstract The Klebsormidiophyceae are a class of green microalgae observed globally in both freshwater and terrestrial habitats. Morphology‐based classification schemes of this class have been shown to be inadequate due to the simple morphology of these algae, the tendency of morphology to vary in culture versus field conditions, and rampant morphological homoplasy. Molecular studies revealing cryptic diversity have renewed interest in this group. We sequenced the complete chloroplast genomes of a broad series of taxa spanning the known taxonomic breadth of this class. We also sequenced the chloroplast genomes of three strains of Streptofilum , a recently discovered green algal lineage with close affinity to the Klebsormidiophyceae. Our results affirm the previously hypothesized polyphyly of the genus Klebsormidium as well as the polyphyly of the nominal species in this genus, K. flaccidum . Furthermore, plastome sequences strongly support the status of Streptofilum as a distinct, early‐diverging lineage of charophytic algae sister to a clade comprising Klebsormidiophyceae plus Phragmoplastophyta. We also uncovered major structural alterations in the chloroplast genomes of species in Klebsormidium that have broad implications regarding the underlying mechanisms of chloroplast genome evolution.
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Details
- Title
- Chloroplast genome evolution and phylogeny of the early‐diverging charophycean green algae with a focus on the Klebsormidiophyceae and Streptofilum
- Creators
- Sarah E. Glass - Lewis B. and Dorothy Cullman Program for Molecular Systematics The New York Botanical Garden Bronx New York USA, Department of Biological Sciences Lehman College, The City University of New York New York New York USARichard M. McCourt - Academy of Natural Sciences of Drexel University Philadelphia Pennsylvania USAStephen D. Gottschalk - Fordham UniversityLouise A. Lewis - University of ConnecticutKenneth G. Karol - New York Botanical Garden
- Publication Details
- Journal of phycology
- Publisher
- Wiley
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Biodiversity, Earth, and Environmental Science (BEES); Academy of Natural Sciences of Drexel University
- Web of Science ID
- WOS:001043657400001
- Scopus ID
- 2-s2.0-85167353111
- Other Identifier
- 991020859344304721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Marine & Freshwater Biology
- Plant Sciences