The International Symposium on Phototrophic Prokaryotes (ISPP) is an international scientific conference that occurs every third year. The first symposium was in 1973 in Freiburg, Germany. The symposium aims to cover current knowledge and the most recent advances in phototrophic prokaryote research.
The 2018 International Symposium on Phototrophic Prokaryotes (ISPP2018) is immediately before ISPR Vancouver from August 5 – 9. More information regarding ISPP is available at ispp2018.com