PSBA — Brassica juncea

Summary

BJUUNNG02610S (symbol PSBA, also known as BjPSBA) in Indian mustard (Brassica juncea) encodes the D1 protein of photosystem II, a core component of the photosynthetic reaction centre. The encoded product possesses oxidoreductase activity acting on diphenols with oxygen as acceptor, oxygen-evolving activity, chlorophyll binding, electron transfer activity, and iron binding. It localises to the photosystem II complex in the chloroplast thylakoid membrane. The gene is associated with photosynthetic electron transport in photosystem II, photoprotection, chlorophyll fluorescence, chlorophyll anabolism, digestion, and response to herbicide. It has been linked to traits including chlorophyll content, flavonoid content, stomatal opening, and salt tolerance. Studies of related genes in other species connect the family to leaf temperature.