Analysis of horizontal genetic transfer in red algae in the post-genomics age

Chan, Cheong Xin and Bhattacharya, Debashish (2013) Analysis of horizontal genetic transfer in red algae in the post-genomics age. Mobile Genetic Elements, 3 6: e27669.1-e27669.5. doi:10.4161/mge.27669

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Author Chan, Cheong Xin
Bhattacharya, Debashish
Title Analysis of horizontal genetic transfer in red algae in the post-genomics age
Journal name Mobile Genetic Elements   Check publisher's open access policy
ISSN 2159-256X
Publication date 2013-11-01
Sub-type Critical review of research, literature review, critical commentary
DOI 10.4161/mge.27669
Open Access Status File (Author Post-print)
Volume 3
Issue 6
Start page e27669.1
End page e27669.5
Total pages 5
Place of publication Austin, TX, United States
Publisher Landes Bioscience
Collection year 2014
Language eng
Formatted abstract
The recently published genome of the unicellular red alga Porphyridium purpureum revealed a gene-rich, intron-poor species, which is surprising for a free-living mesophile. Of the 8,355 predicted protein-coding regions, up to 773 (9.3%) were implicated in horizontal genetic transfer (HGT) events involving other prokaryote and eukaryote lineages. A much smaller number, up to 174 (2.1%) showed unambiguous evidence of vertical inheritance. Together with other red algal genomes, nearly all published in 2013, these data provide an excellent platform for studying diverse aspects of algal biology and evolution. This novel information will help investigators test existing hypotheses about the impact of endosymbiosis and HGT on algal evolution and enable comparative analysis within a more-refined, hypothesis-driven framework that extends beyond HGT. Here we explore the impacts of this infusion of red algal genome data on addressing questions regarding the complex nature of algal evolution and highlight the need for scalable phylogenomic approaches to handle the forthcoming deluge of sequence information.
Keyword Red Algae
Phylogenomics
Horizontal genetic transfer
Endosymbiosis
Algal evolution
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: Official 2014 Collection
Institute for Molecular Bioscience - Publications
 
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Created: Sat, 18 Jan 2014, 01:40:21 EST by Cheong Xin Chan on behalf of Institute for Molecular Bioscience