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Chinese Science Bulletin

, Volume 55, Issue 22, pp 2341–2346 | Cite as

Adaptive evolution and structure modeling of rbcL gene in Ephedra

  • Nian Liu
  • QingBiao Wang
  • Jie Chen
  • Yong Zhu
  • Tsering Tashi
  • YiYao Hu
  • Fan Chen
  • Yang ZhongEmail author
Article Special Topic Bioinformatics
  • 65 Downloads

Abstract

The adaptive evolution of the rbcL gene in 14 species of Ephedra and 9 other gymnosperms was tested by the PAML program. Three large-scale selections were found in the catalytic region of the RbcL protein by branch model. Species in Ephedra with positive selection at the 365th codon site in rbcL gene were detected by branch-site model. 3D structure modeling showed that the 365th codon could change the spatial structure of the β-sheet (βG, βH, or βE) of the RbcL protein. These changes may be associated with the adaptation of the protein in Ephedra to the environment.

keywords

Ephedra gymnosperms rbcadaptation evolution 3D structure modeling 

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Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Nian Liu
    • 1
  • QingBiao Wang
    • 1
  • Jie Chen
    • 1
  • Yong Zhu
    • 1
  • Tsering Tashi
    • 2
  • YiYao Hu
    • 1
  • Fan Chen
    • 3
  • Yang Zhong
    • 2
    • 1
    Email author
  1. 1.Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, School of Life SciencesFudan UniversityShanghaiChina
  2. 2.Institute of Biodiversity Science and GeobiologyTibet UniversityLhasaChina
  3. 3.Key Laboratory of Molecular and Developmental Biology, Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijingChina

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