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Genomic evolution of 11 type strains within family Planctomycetaceae.

Authors
  • Guo, Min
  • Zhou, Qian
  • Zhou, Yizhuang
  • Yang, Linfeng
  • Liu, Tianxiang
  • Yang, Jinlong
  • Chen, Yanling
  • Su, Longxiang
  • Xu, Jin
  • Chen, Jing
  • Liu, Feng
  • Chen, Jiapeng
  • Dai, Wenkui
  • Ni, Peixiang
  • Fang, Chengxiang
  • Yang, Ruifu
Type
Published Article
Journal
PLoS ONE
Publisher
Public Library of Science
Publication Date
Jan 01, 2014
Volume
9
Issue
1
Identifiers
DOI: 10.1371/journal.pone.0086752
PMID: 24489782
Source
Medline
License
Unknown

Abstract

The species in family Planctomycetaceae are ideal groups for investigating the origin of eukaryotes. Their cells are divided by a lipidic intracytoplasmic membrane and they share a number of eukaryote-like molecular characteristics. However, their genomic structures, potential abilities, and evolutionary status are still unknown. In this study, we searched for common protein families and a core genome/pan genome based on 11 sequenced species in family Planctomycetaceae. Then, we constructed phylogenetic tree based on their 832 common protein families. We also annotated the 11 genomes using the Clusters of Orthologous Groups database. Moreover, we predicted and reconstructed their core/pan metabolic pathways using the KEGG (Kyoto Encyclopedia of Genes and Genomes) orthology system. Subsequently, we identified genomic islands (GIs) and structural variations (SVs) among the five complete genomes and we specifically investigated the integration of two Planctomycetaceae plasmids in all 11 genomes. The results indicate that Planctomycetaceae species share diverse genomic variations and unique genomic characteristics, as well as have huge potential for human applications.

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