Journal
GENOMICS
Volume 106, Issue 4, Pages 221-231Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygeno.2015.07.004
Keywords
Genome organization; Gene rearrangement; Inverted repeat; Ka/Ks; Chloroplast genome
Funding
- National Natural Science Foundation of China [31171165]
- National Basic Research Program (973 Program) [2010CB126205]
- Waksman Chair in Molecular Genetics
Ask authors/readers for more resources
Chloroplasts are essential organelles, in which genes have widely been used in the phylogenetic analysis of green plants. Here, we took advantage of the breadth of plastid genomes (cpDNAs) sequenced species to investigate their dynamic changes. Our study showed that gene rearrangements occurred more frequently in the cpDNAs of green algae than in land plants. Phylogenetic trees were generated using 55 conserved protein-coding genes including 33 genes for photosynthesis, 16 ribosomal protein genes and 6 other genes, which supported the monophyletic evolution of vascular plants, land plants, seed plants, and angiosperms. Moreover, we could show that seed plants were more closely related to bryophytes rather than pteridophytes. Furthermore, the substitution rate for cpDNA genes was calculated to be 3.3 x 10(-10), which was almost 10 times lower than genes of nuclear genomes, probably because of the plastid homologous recombination machinery. (C) 2015 Elsevier Inc. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available