Genome of the red alga Porphyridium purpureum

Debashish Bhattacharya (), Dana C. Price, Cheong Xin Chan, Huan Qiu, Nicholas Rose, Steven Ball, Andreas P. M. Weber, Maria Cecilia Arias, Bernard Henrissat, Pedro M. Coutinho, Anagha Krishnan, Simone Zäuner, Shannon Morath, Frédérique Hilliou, Andrea Egizi, Marie-Mathilde Perrineau and Hwan Su Yoon
Additional contact information
Debashish Bhattacharya: Evolution and Natural Resources and Institute of Marine and Coastal Science, Rutgers University
Dana C. Price: Evolution and Natural Resources and Institute of Marine and Coastal Science, Rutgers University
Cheong Xin Chan: Institute for Molecular Bioscience, and ARC Centre of Excellence in Bioinformatics, The University of Queensland
Huan Qiu: Evolution and Natural Resources and Institute of Marine and Coastal Science, Rutgers University
Nicholas Rose: Rutgers University
Steven Ball: Unité de Glycobiologie Structurale et Fonctionnelle, UMR 8576 CNRS-USTL, Université des Sciences et Technologies de Lille
Andreas P. M. Weber: Institute for Plant Biochemistry, Center of Excellence on Plant Sciences (CEPLAS), Heinrich-Heine-University
Maria Cecilia Arias: Unité de Glycobiologie Structurale et Fonctionnelle, UMR 8576 CNRS-USTL, Université des Sciences et Technologies de Lille
Bernard Henrissat: Architecture et Fonction des Macromolécules Biologiques, Aix-Marseille University
Pedro M. Coutinho: Architecture et Fonction des Macromolécules Biologiques, Aix-Marseille University
Anagha Krishnan: Waksman Institute of Microbiology, Rutgers University
Simone Zäuner: Institute of Molecular Physiology and Biotechnology of Plants (IMBIO), University of Bonn
Shannon Morath: Rutgers University
Frédérique Hilliou: Institut National de la Recherche Agronomique, UMR 1355 Institut Sophia Agrobiotech
Andrea Egizi: Graduate Program in Ecology and Evolution, Rutgers University
Marie-Mathilde Perrineau: Evolution and Natural Resources and Institute of Marine and Coastal Science, Rutgers University
Hwan Su Yoon: Sungkyunkwan University

Nature Communications, 2013, vol. 4, issue 1, 1-10

Abstract: Abstract The limited knowledge we have about red algal genomes comes from the highly specialized extremophiles, Cyanidiophyceae. Here, we describe the first genome sequence from a mesophilic, unicellular red alga, Porphyridium purpureum. The 8,355 predicted genes in P. purpureum, hundreds of which are likely to be implicated in a history of horizontal gene transfer, reside in a genome of 19.7 Mbp with 235 spliceosomal introns. Analysis of light-harvesting complex proteins reveals a nuclear-encoded phycobiliprotein in the alga. We uncover a complex set of carbohydrate-active enzymes, identify the genes required for the methylerythritol phosphate pathway of isoprenoid biosynthesis, and find evidence of sexual reproduction. Analysis of the compact, function-rich genome of P. purpureum suggests that ancestral lineages of red algae acted as mediators of horizontal gene transfer between prokaryotes and photosynthetic eukaryotes, thereby significantly enriching genomes across the tree of photosynthetic life.

Date: 2013
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DOI: 10.1038/ncomms2931

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