Welcome to CGIR!

Chloroplast Genome Information Resource (CGIR) is a curated resource of chloroplast genome information, dedicating to the integration, annotation and standardization of chloroplast genomes, genes, simple sequence repeats (SSR), and DNA signature sequences (DSS).


  • Database Resources of the National Genomics Data Center in 2020. Nucleic Acids Res 2020.
  • Genome Variation Map: a data repository of genome variations in BIG Data Center. Nucleic Acids Res 2018.

News & Updates

  • Photosynthesis genes, SSRs and DSSs are updated. (2020.06.17)
  • A total of 4,709 chloroplast genome from 4,485 species is integrated and curated. (2020.05.20)
  • CGIR v1.0 is online released. (2020.05.20)
  • CGIR beta version is released. (2020.03.28)

Funding support

  • Special Funds for Basic Resources Investigation Research of the Ministry of Science and Technology (2018FY10080002).
  • National Natural Science Foundation of China (81891013)

Global Visitors