[biological_process] chlorophyll catabolic process <sep> defense response to Gram-negative bacterium <sep> G protein-coupled receptor signaling pathway <sep> photosystem II assembly <sep> positive regulation of stomatal opening <sep> protein import into chloroplast stroma <sep> protein import into chloroplast thylakoid membrane <sep> regulation of reactive oxygen species biosynthetic process <sep> regulation of response to water deprivation <sep> sugar mediated signaling pathway <sep> thylakoid membrane organization