PSI — Solanum tuberosum

Summary

PGSC0003DMG400046303, designated PSI or PSBB in potato (Solanum tuberosum) on chromosome 1, encodes a PsbB-family chlorophyll-binding protein. The gene is associated with photosynthetic electron transport in photosystem II, chlorophyll binding, and localisation to the thylakoid membrane and plastid. It has also been connected to membrane fusion and cell death processes. Associations with rubisco content and protein content have been noted. Studies of related genes in other species link the family to photosystem II CP47 reaction center protein function, and to traits such as glucose content and photochemical quenching.