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John M. Archibald
Dalhousie University
156Publications
37H-index
5,035Citations
Publications 156
Newest
Published on Dec 1, 2019in BMC Genomics3.50
Shannon J. Sibbald3
Estimated H-index: 3
(Dal: Dalhousie University),
Julia F. Hopkins1
Estimated H-index: 1
(OICR: Ontario Institute for Cancer Research)
+ 1 AuthorsJohn M. Archibald37
Estimated H-index: 37
(Dal: Dalhousie University)
The process of gene fusion involves the formation of a single chimeric gene from multiple complete or partial gene sequences. Gene fusion is recognized as an important mechanism by which genes and their protein products can evolve new functions. The presence-absence of gene fusions can also be useful characters for inferring evolutionary relationships between organisms. Here we show that the nuclear genomes of two unrelated single-celled algae, the cryptophyte Guillardia theta and the chlorarach...
Published on Jan 11, 2019in BMC Evolutionary Biology3.04
Jong Im Kim10
Estimated H-index: 10
(CNU: Chungnam National University),
Hyunmoon Shin1
Estimated H-index: 1
(CNU: Chungnam National University)
+ 4 AuthorsWoongghi Shin15
Estimated H-index: 15
(CNU: Chungnam National University)
The Synurophyceae is one of most important photosynthetic stramenopile algal lineages in freshwater ecosystems. They are characterized by siliceous scales covering the cell or colony surface and possess plastids of red-algal secondary or tertiary endosymbiotic origin. Despite their ecological and evolutionary significance, the relationships amongst extant Synurophyceae are unclear, as is their relationship to most other stramenopiles. Here we report a comparative analysis of plastid genomes sequ...
John M. Archibald37
Estimated H-index: 37
(Dal: Dalhousie University)
Cyanobacteria occupy a special place in the pantheon of prokaryotic life. It is in the ancestors of these ubiquitous microbes that oxygenic photosynthesis first evolved more than 2 billion y ago (1), and it is from endosymbiotic cyanobacteria that the plastids (chloroplasts) of plants and algae are derived (2). Modern-day cyanobacteria are diverse in form and function; they include coccoid marine picoplankton such as Prochlorococcus (3), freshwater biofilm-forming genera [e.g., Gloeomargarita (4...
Published on May 31, 2019in bioRxiv
Sophie de Vries4
Estimated H-index: 4
(Dal: Dalhousie University),
Jan de Vries12
Estimated H-index: 12
(Braunschweig University of Technology)
+ 1 AuthorsClaudio H. Slamovits26
Estimated H-index: 26
(Dal: Dalhousie University)
Oomycetes include many well-studied, devastating plant pathogens. Across oomycete diversity, plant-infecting lineages are interspersed by non-pathogenic ones. Unfortunately, our understanding of the evolution of lifestyle switches is hampered by a scarcity of data on the molecular biology of saprotrophic oomycetes, ecologically important primary colonizers of dead tissue that can serve as informative reference points for understanding the evolution of pathogens. Here, we established Salisapilia ...
Published on Apr 1, 2019in Genome Biology and Evolution3.73
Cameron J. Grisdale5
Estimated H-index: 5
(Dal: Dalhousie University),
Cameron J. Grisdale (Dal: Dalhousie University)+ 0 AuthorsJohn M. Archibald37
Estimated H-index: 37
(Dal: Dalhousie University)
Published on Apr 1, 2019in Genome Biology and Evolution3.73
Anna K M Åsman (Dal: Dalhousie University), Bruce A. Curtis16
Estimated H-index: 16
(Dal: Dalhousie University),
John M. Archibald37
Estimated H-index: 37
(Dal: Dalhousie University)
Published on Dec 1, 2018in Iubmb Life3.05
Julius Lukeš50
Estimated H-index: 50
,
Richard J. Wheeler12
Estimated H-index: 12
+ 2 AuthorsJohn M. Archibald37
Estimated H-index: 37
Published on Dec 1, 2018in BMC Genomics3.50
Jong Im Kim10
Estimated H-index: 10
(CNU: Chungnam National University),
Hwan Su Yoon19
Estimated H-index: 19
(SKKU: Sungkyunkwan University)
+ 2 AuthorsJohn M. Archibald37
Estimated H-index: 37
(Dal: Dalhousie University)
Background Cryptophytes are an ecologically important group of algae comprised of phototrophic, heterotrophic and osmotrophic species. This lineage is of great interest to evolutionary biologists because their plastids are of red algal secondary endosymbiotic origin. Cryptophytes have a clear phylogenetic affinity to heterotrophic eukaryotes and possess four genomes: host-derived nuclear and mitochondrial genomes, and plastid and nucleomorph genomes of endosymbiotic origin.
Published on Dec 1, 2018in BMC Biology6.72
Ugo Cenci7
Estimated H-index: 7
(Dal: Dalhousie University),
Shannon J. Sibbald3
Estimated H-index: 3
(Dal: Dalhousie University)
+ 10 AuthorsChristophe Djemiel1
Estimated H-index: 1
(university of lille)
Background The evolution of photosynthesis has been a major driver in eukaryotic diversification. Eukaryotes have acquired plastids (chloroplasts) either directly via the engulfment and integration of a photosynthetic cyanobacterium (primary endosymbiosis) or indirectly by engulfing a photosynthetic eukaryote (secondary or tertiary endosymbiosis). The timing and frequency of secondary endosymbiosis during eukaryotic evolution is currently unclear but may be resolved in part by studying cryptomon...
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