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An ancestral mitochondrial DNA resembling a eubacterial genome in miniature
Feature of gene content together with eubacterial characteristics of genome organization and expression not found before in mitochondrial genomes indicate that R. americana mtDNA more closely resembles the ancestral proto-mitochondrial genome than any other mtDNA investigated to date.
The Closest Unicellular Relatives of Animals
- B. Lang, C. O'kelly, T. Nerad, M. Gray, G. Burger
- BiologyCurrent Biology
- 15 October 2002
The chloroplast genomes of the green algae Pyramimonas, Monomastix, and Pycnococcus shed new light on the evolutionary history of prasinophytes and the origin of the secondary chloroplasts of…
- M. Turmel, M. Gagnon, C. O'kelly, C. Otis, C. Lemieux
- BiologyMolecular biology and evolution
- 1 March 2009
It is revealed that major reduction in gene content and restructuring of the chloroplast genome occurred in conjunction with important changes in cell organization in at least two independent prasinophyte lineages, the Mamiellales and the Pycnococcaceae.
MOLECULAR ASSESSMENT OF ULVA SPP. (ULVOPHYCEAE, CHLOROPHYTA) IN THE HAWAIIAN ISLANDS 1
- C. O'kelly, A. Kurihara, T. C. Shipley, A. Sherwood
- Environmental Science, Biology
- 1 August 2010
It is suggested that Ulva populations in tropical and subtropical regions consist of species that are largely unique to these areas, for which the application of names based on types from temperate and boreal European and North American waters is inappropriate.
The Nucleariid Amoebae: More Protists at the Animal-Fungal Boundary
- L. A. AMARAL ZETTLER, T. Nerad, C. O'kelly, M. Sogin
- Biology, Environmental ScienceThe Journal of eukaryotic microbiology
- 1 May 2001
Phylogenetic analyses of the small-subunit rRNA coding regions from four nucleariid amoebae place these species near the origin of the animal-fungal divergence, together with the choanoflagellate-Corallochytrium and the ichthyosporean clades.
The Pinguiophyceae classis nova, a new class of photosynthetic stramenopiles whose members produce large amounts of omega‐3 fatty acids
- M. Kawachi, I. Inouye, R. Andersen
- Biology
- 1 March 2002
The Pinguiophyceae class. nov., a new class of photo‐synthetic stramenopiles (chromophytes), is described. The class includes five monotypic genera, Glossomastix, Phaeomonas, Pinguiochrysis (type…
A molecular reassessment of the Leptomyxid amoebae.
- L. A. AMARAL ZETTLER, T. Nerad, M. Sogin
- BiologyProtist
- 1 October 2000
Preliminary phylogenetic analyses show that Gephyramoeba, as well as Balamuthia do not belong in the order Leptomyxida, and highlight where molecular data give differing insights than taxonomic schemes based on traditional characters.
Phylogenetic relationships of green algae assigned to the genus Planophila (Chlorophyta): evidence from 18S rDNA sequence data and ultrastructure
- T. Friedl, C. O'kelly
- Biology
- 1 August 2002
This is the first robustly supported molecular phylogenetic analysis that places Prasiola in the Trebouxiophyceae, and the monotypic sarcinoid genus Pseudendocloniopsis is the closest relative of Planophila; the two genera represent the addition of a new morphological type to the Ulotrichales.
The Origin and Early Evolution of Green Plants
- C. O'kelly
- Biology, Environmental Science
- 2007
Two New Small-Subunit Ribosomal RNA Gene Lineages within the Subclass Gymnamoebia
- M. Peglar, L. A. Zettler, M. Sogin
- BiologyThe Journal of eukaryotic microbiology
- 1 May 2003
Abstract Phylogenetic analysis of small-subunit ribosomal RNA gene sequences for gymnamoebae of the families Vexilliferidae, Paramoebidae, and Vannellidae identified two distinct lineages that are…
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