Capsule of main finding
This is the first study that demonstrates, NO plays key role in
SA-induced Ca2+-mediated signaling in
Ni2+-stressed Anabaena sp. PCC 7120 by
regulating photosynthesis, nitrogen metabolism status and antioxidant
system.
Keywords: Calcium; Nickel; Nitric oxide; Nitrogen metabolism
status; PSII photochemistry; Salicylic acid.