Chlorophyll fluorescence – A tool to assess photosynthetic performance and stress photophysiology in symbiotic marine invertebrates and seaplants
2021
Bhagooli, Ranjeet | Mattan-Moorgawa, Sushma | Kaullysing, Deepeeka | Louis, Yohan Didier | Gopeechund, Arvind | Ramah, Sundy | Soondur, Mouneshwar | Pilly, Sivajyodee Sannassy | Beesoo, Rima | Wijayanti, Diah Permata | Bachok, Zainudin Bin | Monrás, Víctor Cubillos | Casareto, Beatriz Estela | Suzuki, Yoshimi | Baker, Andrew Charles
Chlorophyll a fluorescence is increasingly being used as a rapid, non-invasive, sensitive and convenient indicator of photosynthetic performance in marine autotrophs. This review presents the methodology, applications and limitations of chlorophyll fluorescence in marine studies. The various chlorophyll fluorescence tools such as Pulse-Amplitude-Modulated (PAM) and Fast Repetition Rate (FRR) fluorometry used in marine scientific studies are discussed. Various commonly employed chlorophyll fluorescence parameters are elaborated. The application of chlorophyll fluorescence in measuring natural variations, stress, stress tolerance and acclimation/adaptation to changing environment in primary producers such as microalgae, macroalgae, seagrasses and mangroves, and marine symbiotic invertebrates, namely symbiotic sponges, hard corals and sea anemones, kleptoplastic sea slugs and giant clams is critically assessed. Stressors include environmental, biological, physical and chemical ones. The strengths, limitations and future perspectives of the use of chlorophyll fluorescence technique as an assessment tool in symbiotic marine organisms and seaplants are discussed.
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