Phylogenomic analysis of transcriptomic sequences of mitochondria and chloroplasts for marine red algae (Rhodophyta) in China

JIA Shangang; WANG Xumin; QIAN Hao; LI Tianyong; SUN Jing; WANG Liang; YU Jun; LI Xingang; YIN Jinlong; LIU Tao; WU Shuangxiu

doi:10.1007/s13131-014-0444-3

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Article Navigation > Acta Oceanologica Sinica > 2014 > 33(2): 86-93

JIA Shangang, WANG Xumin, QIAN Hao, LI Tianyong, SUN Jing, WANG Liang, YU Jun, LI Xingang, YIN Jinlong, LIU Tao, WU Shuangxiu. Phylogenomic analysis of transcriptomic sequences of mitochondria and chloroplasts for marine red algae (Rhodophyta) in China[J]. Acta Oceanologica Sinica, 2014, 33(2): 86-93. doi: 10.1007/s13131-014-0444-3

Citation:

JIA Shangang, WANG Xumin, QIAN Hao, LI Tianyong, SUN Jing, WANG Liang, YU Jun, LI Xingang, YIN Jinlong, LIU Tao, WU Shuangxiu. Phylogenomic analysis of transcriptomic sequences of mitochondria and chloroplasts for marine red algae (Rhodophyta) in China[J]. Acta Oceanologica Sinica, 2014, 33(2): 86-93. doi: 10.1007/s13131-014-0444-3

Citation:

JIA Shangang, WANG Xumin, QIAN Hao, LI Tianyong, SUN Jing, WANG Liang, YU Jun, LI Xingang, YIN Jinlong, LIU Tao, WU Shuangxiu. Phylogenomic analysis of transcriptomic sequences of mitochondria and chloroplasts for marine red algae (Rhodophyta) in China[J]. Acta Oceanologica Sinica, 2014, 33(2): 86-93. doi: 10.1007/s13131-014-0444-3

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Phylogenomic analysis of transcriptomic sequences of mitochondria and chloroplasts for marine red algae (Rhodophyta) in China

doi: 10.1007/s13131-014-0444-3

1.
CAS Key Laboratory of Genome Sciences and Information, Beijing Key Laboratory of Genome and Precision Medicine Technologies, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China;Beijing Key Laboratory of Functional Genomics for Dao-di Herbs, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China
2.
College of Marine Life Science, Ocean University of China, Qingdao 266003, China
3.
CAS Key Laboratory of Genome Sciences and Information, Beijing Key Laboratory of Genome and Precision Medicine Technologies, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China;Beijing Key Laboratory of Functional Genomics for Dao-di Herbs, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China;University of Chinese Academy of Sciences, Beijing 100049, China
4.
CAS Key Laboratory of Genome Sciences and Information, Beijing Key Laboratory of Genome and Precision Medicine Technologies, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China

Received Date: 2013-03-22

Abstract

Abstract

The chloroplast and mitochondrion of red algae (Phylum Rhodophyta) may have originated from different endosymbiosis. In this study, we carried out phylogenomic analysis to distinguish their evolutionary lineages by using red algal RNA-seq datasets of the 1 000 Plants (1KP) Project and publicly available complete genomes of mitochondria and chloroplasts of Rhodophyta. We have found that red algae were divided into three clades of orders, Florideophyceae, Bangiophyceae and Cyanidiophyceae. Taxonomy resolution for Class Florideophyceae showed that Order Gigartinales was close to Order Halymeniales, while Order Gracilariales was in a clade of Order Ceramials. We confirmed Prionitis divaricata (Family Halymeniaceae) was closely related to the clade of Order Gracilariales, rather than to genus Grateloupia of Order Halymeniales as reported before. Furthermore, we found both mitochondrial and chloroplastic genes in Rhodophyta under negative selection (Ka/Ks < 1), suggesting that red algae, as one primitive group of eukaryotic algae, might share joint evolutionary history with these two organelles for a long time, although we identified some differences in their phylogenetic trees. Our analysis provided the basic phylogenetic relationships of red algae, and demonstrated their potential ability to study endosymbiotic events.
- red algae,
- Rhodophyta,
- phylogenetic trees,
- mitochondrion,
- chloroplast

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References(28)

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