Journal article
Phylogenetic congruence of ribosomal operon and plastid gene sequences for the Characeae with an emphasis on Tolypella (Characeae, Charophyceae)
Phycologia (Oxford), v 56(2), pp 230-237
01 Jan 2017
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
To clarify species diversity of Tolypella (Characeae, Charophyceae) and the relationship between Tolypella and other genera in Characeae, sequence data from the nuclear ribosomal operon were assembled for 18 individuals of Tolypella. These represented nine named species and two potentially new species from Australia, as well as 13 other taxa of Characeae. Phylogenetic analyses were performed on ribosomal gene sequences (18S, 5.8S and 28S) for Characeae and on ribosomal gene and internal transcribed spacer (ITS) sequences (ribosomal genes + ITS1 + ITS2) for Tolypella. Analyses were also performed on the ribosomal gene and ITS sequences combined with plastid gene sequences (atpB, psbC and rbcL). Ribosomal gene sequences alone were conservative and their phylogenetic analyses resulted in topologies similar to a previously published plastid gene-based study but with less support and resolution. In contrast, ITS sequences showed greater variability and their addition resulted in greater resolution among some species relationships of Tolypella. The addition of plastid sequences also resulted in greater support and increased resolution in some lineages but not all.
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Details
- Title
- Phylogenetic congruence of ribosomal operon and plastid gene sequences for the Characeae with an emphasis on Tolypella (Characeae, Charophyceae)
- Creators
- William Perez - New York Botanical GardenMichele T. Casanova - Royal Botanic Garden SydneyJohn D. Hall - University of Maryland, College ParkRichard M. McCourt - Drexel UniversityKenneth G. Karol - New York Botanical Garden
- Publication Details
- Phycologia (Oxford), v 56(2), pp 230-237
- Publisher
- Taylor & Francis
- Number of pages
- 8
- Grant note
- DEB-1020660; DEB-1036466; DEB-1020948; DEB-1036478 / National Science Foundation; National Science Foundation (NSF) American Society of Plant Taxonomists City University of New York Phycological Society of America
- 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:000412890200012
- Scopus ID
- 2-s2.0-85010527237
- Other Identifier
- 991019167794504721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Marine & Freshwater Biology
- Plant Sciences