Analysis of the genome of Cyanophora paradoxa: an algal model for understanding primary endosymbiosis

Bhattacharya, Debashish, Price, Dana C., Chan, Cheong Xin, Gross, Jeferson, Steiner, Jürgen M. and Löffelhardt, Wolfgang (2014). Analysis of the genome of Cyanophora paradoxa: an algal model for understanding primary endosymbiosis. In Wolfgang Löffelhardt (Ed.), Endosymbiosis (pp. 135-148) Wien, Austria: Springer. doi:10.1007/978-3-7091-1303-5_7

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Author Bhattacharya, Debashish
Price, Dana C.
Chan, Cheong Xin
Gross, Jeferson
Steiner, Jürgen M.
Löffelhardt, Wolfgang
Title of chapter Analysis of the genome of Cyanophora paradoxa: an algal model for understanding primary endosymbiosis
Title of book Endosymbiosis
Place of Publication Wien, Austria
Publisher Springer
Publication Year 2014
Sub-type Research book chapter (original research)
DOI 10.1007/978-3-7091-1303-5_7
ISBN 9783709113028
Editor Wolfgang Löffelhardt
Volume number 9783709113035
Chapter number 7
Start page 135
End page 148
Total pages 14
Total chapters 14
Language eng
Formatted Abstract/Summary
Algae and plants rely on the plastid (e.g., chloroplast) to carry out photosynthesis. This organelle traces its origin to a cyanobacterium that was captured over a billion years ago by a single-celled protist. Three major photosynthetic lineages (the green algae and plants [Viridiplantae], red algae [Rhodophyta], and Glaucophyta) arose from this primary endosymbiotic event and are putatively united as the Plantae (also known as Archaeplastida). Glaucophytes comprise a handful of poorly studied species that retain ancestral features of the cyanobacterial endosymbiont such as a peptidoglycan cell wall. Testing the Plantae hypothesis and elucidating glaucophyte evolution has in the past been thwarted by the absence of complete genome data from these taxa. Furthermore, multigene phylogenetics has fueled controversy about the frequency of primary plastid acquisitions during eukaryote evolution because these approaches have generally failed to recover Plantae monophyly and often provide conflicting results. Here, we review some of the key insights about Plantae evolution that were gleaned from a recent analysis of a draft genome assembly from Cyanophora paradoxa (Glaucophyta). We present results that conclusively demonstrate Plantae monophyly. We also describe new insights that were gained into peptidoglycan biosynthesis in glaucophytes and the carbon concentrating mechanism (CCM) in C. paradoxa plastids.
Keyword Endosymbiosis
Algal evolution
Q-Index Code B1
Q-Index Status Confirmed Code
Institutional Status UQ

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Created: Sat, 18 Jan 2014, 01:31:16 EST by Cheong Xin Chan on behalf of Institute for Molecular Bioscience