Algae and aquatic macrophytes responses to cope to ultraviolet radiation - a Review

Emirates Journal of Food and Agriculture

Volumn 24, Issue 6, 2012, Pages 527-545

  Pessoa, Maria Fernanda ^a  

^a UNIVERSIDADE NOVA DE LISBOA   (Portugal)

Author keywords

Algae; Cyanobacteria; MAAs; Macrophytes; UV radiation

Indexed keywords

ALGAE; BACILLARIOPHYTA; CHLOROPHYTA; CYANOBACTERIA; DINOPHYCEAE; HAPTOPHYCEAE; MARCHANTIOPHYTA; PHAEOPHYCEAE; RHODOPHYTA;

EID: 84872925192     PISSN: 2079052X     EISSN: 20790538     Source Type: Journal    
DOI: 10.9755/ejfa.v24i6.527545     Document Type: Review

References (118)

1. Agrawal, S. C. 2009. Factors affecting Spore Germination in algae - review. Folia Microbiol. 54(4):273-302.
2. Altamirano, M., A. Flores-Moya and F. L. Figueroa. 2003. Effects of UV radiation and temperature on growth of germlings of three species of Fucus (Phaeophyceae). Aquat. Bot. 75:9-20.
3. Anusha, K. and T. Asaeda. 2008. Indirect mechanisms accelerated due to ultravioleta-B irradiation on nutriente cycling in a freshwater ecosystem. J. Photoch. Photobio. B 93:1-8.
4. Arbeloa, E. M., M. O. Carignam, F. H. Acuña, M. S. Churio and J. I Carreto. 2010. Mycosporine- like amino acid content in the sea anemones Aulactinia marplatensis, Oulactis muscosa and Anthothoe chilensis. Comp. Biochem. Phys. B 156:216-221.
5. Arróniz-Crespo, M., E. Núñez-Olivera and J. Martínez-Abaigar. 2008. Hydroxycinnamic acid derivatives in an aquatic liverwort as possible bioindicators of enhanced UV radiation. Environ. Pollut. 151:8-16.
6. Baker, A. C., P. W. Glynn and B. Riegl. 2008. Climate change and coral reef bleaching: an ecological assessment of long-term impacts, recovery trends and future outlook. Estuar. Coast. Shelf. S. 80:435-471.
7. Banaszak, A. T. and R. K. Trench. 1995. Effects of ultraviolet (UV) radiation on marine microalgal-invertebrate symbioses. I. Response of the algal symbionts and in hospite. J. Exp. Mar. Biol. Ecol. 194:213-232.
8. Banaszak, A. T., T. C. LaJeunesse and R. Trench. 2000. The synthesis of mycosporine-like amino acids (MAAs) by cultured, symbiotic dinoflagellates. J. Exp. Mar. Biol. Ecol. 249:219-233.
9. Banaszak, A. T. and R. K. Trench. 2001. Ultraviolet sunscreens in dinoflagellates. Protist. 152:93-101.
10. Banaszak, A. T., M. G. B. Santos, T. C. LaJeunesse and M. P. Lesser. 2006. The distribution of mycosporine-like amino acids (MAAs) and the phylogenetic identity of symbiotic dinoflagellates in cnidarian hosts from the Mexican Caribbean. J. Exp. Mar. Biol. Ecol. 337:131-146.
11. Bandaranayake, W. M. 1998. Mycosporines: are they nature's sunscreens? Nat. Prod. Rep. 15:159-172.
12. Basti, D., I. Bricknell, D. Beane and D. Bouchard. 2009. Recovery from a near-lethal exposure to ultraviolet-C radiation in a scleractinian coral. J. Invertebr. Pathol. 101:43-48.
13. Björn, L. O. (2007). Stratospheric ozone, ultraviolet radiation, and cryptogams. 2007. Biol. Conserv. 135:326-333.
14. Bolige, A. and K. Goto. 2007. High irradiance responses involving photoreversible multiple photoreceptors as related to photoperiodic induction of cell division in Euglena. J. Photoch. Photobio. B 86:109-120.
15. Brandt, L. A. and E. W. Koch. 2003. Periphyton as a UV-B filter on seagrass leaves: a result of different transmittance in the UV-B and PAR ranges. Aquat. Bot. 76:317-327.
16. Braune, W. and G. Döhler. 1996. Impact of UV-B radiation on 15N-ammonium and 15N-nitrate uptake by Haematococcus lacustres (Volvocales). II. The influence of a recovery period. J. Plant Physiol. 149:349-357.
17. Callone, A. I., M. Carignan, N. G. Montoya and J. I. Carreto. 2006. Biotransformation of mycosporine like amino acids (MAAs) in the toxic dinoflagellates Alexandrium tamarense. J. Photoch. Photobio. B 84:204-212.
18. Carefoot, T. H., D. Karentz, S. C. Pennings and C. L. Young. 2000. Distribution of mycosporinelike amino acids in the sea hare Aplysia dactylomela: effect of diet on ammounts and types sequestered over time in tissues and spawn. Comp. Biochem. Phys. C 126:91-104.
19. Carignan, M. O., K. H. M. Cardozo, D. Oliveira-Silva, P. Colepicolo and J. I. Carreto. 2009. Palythine-threonine, a major novel mycosporine-like amino acid (MAA) isolated from the hermatypic coral Pocillopora capitata. J. Photoch. Photobio. B 94:191-200.
20. Carreto, J. I. and M. O. Carignan. 2011. Mycosporine-like amino acids: relevantsecondary metabolites. Chemical and ecological aspects. Mar. Drugs 9:387-446.
21. Carreto, J. I., M. O. Carignan, G. Daleo and S. G. de Marco. 1990. Occurrence of mycosporinelike amino acids in the red-tide dinoflagellates Alexandrium excavatum: UV photoprotective compounds? J. Plankton Res. 12:909-921.
22. Coba, F. de la, J. Aguilera, M. V. de Gálvez, M. Álvarez, E. Gallego, F. L. Figueroa and E. Herrera. 2009. Prevention of the ultraviolet effects on clinical and histopathological changes, as well as the heat shock protein-70 expression in mouse skin by topical application of algal UV-absorbing compounds. J. Dermatol. Sci. 55:161-169.
23. Conde, F. R., M. S. Churio and C. M. Previtali. 2004. The deactivation pathways of the excited-state mycosporine-like amino acids shinorine and porphyra-334 in aqueous solution. Photochem. Photobiol. Sci. 3:960-968.
24. Conde, F. R., M. S. Churio and C. M. Previtali. 2007. Experimental study of excited-state properties and photostability of the mycosporine-like amino acids palythine in water solution. Photochem. Photobiol. Sci. 6:669-674.
25. Dahms, H-U. and J-S. Lee. 2010. UV radiation in marine ectotherms: molecular effects and responses. Aquat. Toxicol. 97:3-14.
26. Dahms, H-U., S. Dobretsov and J-S. Lee. 2011. Effects of UV radiation on marine ectotherms in Polar Regions. Comp. Biochem. Phys. C 153:363-371.
27. Davidson, A. T. 1998. The impact of UVB radiation on marine plankton. Mutat. Res. 422:119-129.
28. Davidson, A.T., H. J. Marchant and W. K. de la Mare. 1996. Natural UVB exposure changes the species composition of Antarctic phytoplankton in mixed culture. Aquat. Microb. Ecol. 10:299-305.
29. Döhler, G. and T. Buchmann. 1995. Effects of UVA and UV-B irradiance on pigments and 15Nammonium assimilation of the haptophycean Pavlova. J. Plant Physiol. 146:29-34.
30. Donkor, V. A. and D.-P. Häder. 1995. Protective strategies of several Cyanobacteria against solar radiation. J. Plant Phisiol. 145:750-755.
31. Downs, C. A., J. E. Fauth, J. C. Halas, P. Dustan, J. Bemiss and C. M. Woodley. 2002. Oxidative stress and seasonal coral bleaching. Free Radical Bio. Med. 33(4):533-543.
32. Dunlap, W. C. and J. M. Shick. 1998. Ultraviolet radiation-absorbing mycosporine-like amino acids in coral reef organisms: a biochemical and environmental perspective. J. Phycol. 34:418-430.
33. Dunlap, W. C., B. E. Chalker and J. K. Oliver. 1986. Photoadaptation by reef-building corals from Davies Reef, Great Barrier, Australia. III. UV-B absorbing pigments. J. Exp. Mar. Biol. Ecol. 104:239-248.
34. Dunlap, W. C. and Y. Yamamoto. 1995. Smallmolecule antioxidants in marine organisms: antioxidant activity of mycosporine-glycine. Comp. Biochem. Phys. B 112(1):105-114.
35. Edwards, H. G. M., F. Garcia-Pichel, E. M. Newton and D. D. Wynn-Williams. 1999. Vibrational Raman spectroscopic study of scytonemin, the UV-protective cyanobacterial pigment. Spectrochim. Acta A 56:193-200.
36. Fabón, G., L. Monforte, R. Tomás-Las-Heras and E. Núñez-Olivera. 2012. Dynamic response of UV-absorbing compounds, quantum yield and the xanthophyll cycle to diel changes in UV-B and photosynthetic radiations in an aquatic liverwort. J. Plant Physiol. 169:20-26.
37. Figueroa, F. L., L. Escassi, E. Pérez-Rodríguez, N. Korbee, A. D. Giles and G. Johnsen. 2003. Effects of short-term irradiation on photoinhibition and accumulation of mycosporine-lika amino acids in sun and shade species of the red algal genus Porphyra. J. Photoch. Photobio. B 69:21-30.
38. Fu, W. D., L. Shuai, J. T. Yao, B. Zheng, M. J. Zhong and D. L. Duan. 2011. Molecular cloning and expression analysis of a cytosolic Hsp70 gene from Ulva pertusa (Ulvophyceae, Chlorophyta). J. Appl. Phycol. 23:681-690.
39. Gao, K. and Z. Ma. 2008. Photosynthesis and growth of Arthrospira (Spirulina) platensis (Cyanophyta) in response to solar radiation, with special reference to its minor variant. Environ. Exp. Bot. 63:123-129.
40. Gao, K., W. Guan and E. W. Helbling. 2007. Effects of solar ultraviolet radiation on photosynthesis of the marine red tide algaHeterosigma akashiwo (Raphidophyceae). J Photoch Photobio B 86:140-148.
41. Giordanino, M. V. F., S. M. Strauch, V. E. Villafañe and E. W. Helbling. 2011. Influence of temperature and UVR on photosynthesis and morphology of four species of cyanobacteria. J. Photoch. Photobio. B 103:68-77.
42. Glatz, A., I. Vass, D. A. los and L. Vígh. 1999. The Synechocystis model of stress: from molecular chaperones to membranes. Plant Physiol. Biochem. 37(1):1-12.
43. Gómez, I., E. Pérez-Rodríguez, B. Viñegla, F. L. Figueroa and U. Karsten. 1998. Effects of solar radiation on photosynthesis, UVabsorbing compounds and enzyme activities of the green alga Dasycladus vermicularis from southern Spain. J. Photoch. Photobio. B 47:46-57.
44. Gómez, I., F. L. Figueroa, P. Huovinen, N. Ulloa and V. Morales. 2005. Photosynthesis of the red alga Gracilaria chilensis under natural solar radiation in an estuary in southern Chile. Aquaculture 244:369-382.
45. Gröniger, A. and D.-P. Häder. 2002. Induction of the synthesis of an UV-absorbing substance in the green alga Prasiola stipitata. J. Photoch. Photobio. B 66:54-59.
46. Guan, W. and K. Gao. 2010. Impacts of UV radiation on photosynthesis and growth of the coccolithophore Emiliania huxleyi (Haptophyceae). Environ. Exp. Bot. 67:502-508.
47. Guinea, M., V. Franco, L. Araujo-Bazán, I. Rodríguez-Martin and S. González. 2012. In vivo UVB-photoprotective activity of extracts from commercial marine macroalgae. Food Chem. Toxicol. 50(3-4):1109-1117.
48. Guschima, I. A. and J. L. Harwood. 2006. Lipids and lipid metabolism in eukaryotic algae. Prog. Lipid Res. 45:160-186.
49. Häder, D.-P. 2000. Effects of solar UV-B radiation on aquatic ecosystems. Adv. Space Res. 26(12):2029-2040.
50. Häder, D.-P. and R. P. Sinha. 2005. Solar ultraviolet radiation-induced DNA damage in aquatic organisms: potential environmental impact. Mutat. Res. 571:221-233.
51. Häder, D.-P., H. D. Kumar, R. C. Smith and R. C. Worrest. 1998. Effects on aquatic ecosystems. J. Photoch. Photobio. B 46:53-68.
52. Hannach, G. and A. C. Sigleo. 1998. Photoinduction of UV-absorbing compounds in six species of marine phytoplankton. Mar. Ecol. Prog. Ser. 174:207-222.
53. He, Y.-Y. and D.-P. Häder. 2002. Involvement of reactive oxygen species in the UV-B damage to the cyanobacterium Anabaena sp. J. Photoch. Photobio. B 66:73-80.
54. Helbling, E. W., A. G. J. Buma, W. van de Poll, M. V. F. Zenoff and V. E. Villafañe. 2008. UVRinduced photosynthetic inhibition dominates over DNA damage in marine dinoflagellates exposed to fluctuating solar radiation regimes. J. Exp. Mar. Biol. Ecol. 365:96-102.
55. Hernando, M. P. and G. A. Ferreyra. 2005. The effects of UV radiation on photosynthesis in an Antarctic diatom (Thalassiosira sp.): does vertical mixing matter? J. Exp. Mar. Biol. Ecol. 325:35-45.
56. Holzinger, A. and C. Lütz, 2006. Algae and UV irradiation: Effects on ultrastructure and related metabolic functions. Micron. 37:190-207.
57. Hood, R. R., E. A. Laws, R. A. Armstrong, N. R. Bates, C. W. Brown, C. A. Carlson, F. Chai, S. C. Doney, P. G. Falkowski, R. A. Feely, M. A. M. Friedrichs, M. R. Landry, J. K. Moore, D. M. Nelson, T. L. Richardson, B. Salihoglu, M. Schartau, D. A. Toole and J. D. Wiggert. 2006. Pelagic functional group modelling: progress, challenges and prospects. Deep-Sea Res. II 53:459-512.
58. Hoyer, K., U. Karsten and C. Wiencke. 2002. Induction of sunscreen compounds in Antarctic macroalgae by different radiation conditions. Mar. Biol. 141:619-627.
59. Huovinen, P., J. Matos, I. S. Pinto and F. L. Figueroa. 2006. The role of ammonium in photoprotection against high irradiance in the red alga Grateloupia lanceola. Aquat. Bot. 84:308-316.
60. Hupel, M., C. Lecointre, A. Meudec, N. Poupart and E. A. Gall. 2011. Comparison of photoprotective responses to UV radiation in the brown seaweed Pelvetia canaliculata and the marine angiosperm Salicorniaramosissima. J. Exp. Mar. Biol. Ecol. 401:36-47.
61. Jenkins, G. I., J. M. Christie, G. Fuglevand, J. C. Long and J. A. Jackson. 1995. Plant responses to UV and blue light: biochemical and genetic approaches. Plant Sci. 112:117-138.
62. Karentz, D. and I. Bosch. 2001. Influence of ozonerelated increases in ultraviolet radiation on Antarctic marine organisms. Amer. Zool. 41:3-16.
63. Karsten, U. and C. Wiencke. 1999. Factors controlling the formation of UV-absorbing mycrosporine-like amino acids in the marine red alga Palmaria palmata from Spitsbergen (Norway). J. Plant Physiol. 155:407-415.
64. Karsten, U., L. A. Franklin, K. Liining and C. Wiencke. 1998. Natural ultraviolet radiation and photosynthetically active radiation induce formation of mycosporine-like amino acids in the marine macroalga Chondrus crispus (Rhodophyta), Planta 205:257-262.
65. Klisch, M. and D.-P. Häder. 2008. Mycosporinelike amino acids and marine toxins - the common and the different. Mar. Drugs 6:147-163.
66. Klisch, M., R. P. Sinha, P. Richter and D.-P. Häder. 2001. Mycosporine-like amino acids (MAAs) protect against UV-B-induced damage in Gyrodinium dorsum Kofoid. J. Plant Physiol. 158:1449-1454.
67. Korbee, N., F. L. Figueroa and J. Aguilera. 2005. Effect of light quality on the accumulation of photosynthetic pigments, proteins and mycosporine-like amino acids in the red alga Porphyra leucosticta (Bangiales, Rhodophyta). J. Photoch. Photobio. B 80:71-78.
68. Kovács, E. and Á. Keresztes. 2002. Effect of gamma and UV-B/C radiation on plant cells. Micron. 33:199-210.
69. Kräbs, G., K. Bischof, D. Hanelt, U. Karsten and C. Wiencke. 2002. Wavelength-dependent induction of UV-absorbing mycosporine-like amino acids in the red alga Chondrus crispus under natural solar radiation. J. Exp. Mar. Biol. Ecol. 268:69-82.
70. Lee, S. M. 2007. Distribution of seagrass and its ecological importance of Jeju Island, Korea. Final Report for MAB Young Scientist Award 2006. Hanyang University, South Korea.
71. Leu, E., S.-ÅWängberg, A. Wulff, S. Falk-Petersen, J. B. Ørbæk and D. O. Hessen. 2006. Effects of changes in ambient PAR and UV radiation on the nutritional quality of an Artic diatom (Thalassiosira Antarctica var. borealis). J. Exp. Mar. Biol. Ecol. 337:65-81.
72. Li, L., J. Zhao and X. Tang. 2010. Ultraviolet irradiation induced oxidative stress and response of antioxidant system in an intertidal macroalgae Corallina officinalis L. J. Environ. Sci. 22(5):716-722.
73. Ma, Z. and K. Gao. 2010. Spiral breakage and photoinhibition of Arthrospira platensis (Cyanophyta) caused by accumulation of reactive oxygen species under solar radiation. Environ. Exp. Bot. 68:208-213.
74. Malanga, G., R. G. Kozak and S. Puntarulo. 1999. N-Acetylcysteine-dependent protection against UV-B damage in two photosynthetic organisms. Plant Sci. 141:129-137.
75. Mallick, N. and F. H. Mohn. 2000. Reactive oxygen species: response of algal cells. J. Plant Physiol. 157:183-193.
76. Mancinelli, R. L. and M. R. White. 2000. Inhibition of denitrification by ultraviolet radiation. Adv. Space Res. 26(12):2041-2046.
77. Mandal, S., J. Rath and S. P. Adhikary. 2011. Adaptation of the sheathed cyanobacterium Lyngbya majuscule to ultraviolet-B. J. Photoch. Photobio. B 102:115-122.
78. Marshall, J. A. and S. Newman. 2002. Differences in photoprotective pigment production between Japanese and Australian strains of Chattonella marina (Raphidophyceae). J. Exp. Mar. Biol. Ecol. 272:13-27.
79. Necchi Jr., O. 2005. Light-related photosynthetic characteristics of freshwater rhodophytes. Aquat. Bot. 82:193-209.
80. Pallela, R., Y. Na-Young and S.-K. Kim. 2010. Anti-photoaging and photoprotective compounds derived from marine organisms. Mar. Drugs 8:1189-1202.
81. Pattanaik, B., A. Wulff, M. Y. Roleda, K. Garde and M. Mohlin. 2010. Production of the cyanotoxin nodularin - A multifactorial approach. Harmful Algae 10:30-38.
82. Pavia, H., G. Cervin, A. Lindgren and P. Alberg. 1997. Effects of UV-B radiation and simulated herbivory on phlorothannins in the brown algaAscophyllum nodosum. Mar Ecol Prog Ser 157:139-146.
83. Proteau, P. J., W. H. Gerwick, F. Garcia-Pichel and R. Castenholz. 1993. The structure of scytonemin, an ultraviolet sunscreen pigment from the sheaths of cyanobacteria. Experientia 49(9):825-829.
84. Rastogi, R. P., S. P. Singh, D.-P. Häder and R. P. Sinha. 2011. Ultraviolet-B-induced DNA damage and photorepair in the cyanobacterium Anabaena variabilis PCC 7937. Environ. Exp. Bot. 74:280-288.
85. Rozema, J., J. van de Staaij, L. O. Björn and M. Caldwell. 1997. UV-B as an environmental factor in plant life: stress and regulation. Tree 12:22-28.
86. Sampath-Wiley, P., C. D. Neefus and L. S. Jahnke. 2008. Seasonal effects of sun exposure and emersion on intertidal seaweed physiology: fluctuations in antioxidant contents, photosynthetic pigments and photosynthetic efficiency in the red alga Porphyra umbilicalis Kützing (Rhodophyta, Bangiales). J. Exp. Mar. Biol. Ecol. 361:83-91.
87. Schmidt, É. C., B. Pereira, R. W. dos Santos, C. Gouveia, G. B. Costa, G. S. M. Faria, F. Scherner, P. A. Horta, R. P. Martins, A. Latini, F. Ramlov, M. Maraschin and Z. L. Bouzon. 2012. Responses of the macroalgae Hypnea musciformis after in vitro exposure to UV-B. Aquat Bot. 100:8-17.
88. Shick, J. M. and W. C. Dunlap. 2002. Mycosporine-like amino acids and related gadusols: biosynthesis, accumulation and UV-protective functions in aquatic organisms. Ann. Rev. Physiol. 64:223-262.
89. Short, F. T. and H. A. Neckles. 1999. The effects of global climate change on seagrasses. Aquat. Bot. 63:169-196.
90. Singh, S. P., D.-P. Häder and R. P. Sinha. 2010. Cyanobacteria and ultraviolet radiation (UVR) stress: mitigation strategies. Ageing Res. Rev. 9:79-90.
91. Singh, S. P., S. Kumari, R. P. Rastogi, K. L. Singh, Richa and R. P. Sinha. 2010. Photoprotective and biochemical potentials of cyanobacterial sheath pigment, scytonemin. Afr. J. Biotechnol. 9(5):580-588.
92. Sinha, R. P. and D.-P. Häder. 2002. Life under solar UV radiation in aquatic organisms. Adv. Space Res. 30(6):1547-1556.
93. Sinha, R. P. and D.-P. Häder. 2002. UV -induced DNA damage and repair: a review. Photochem. Photobiol. Sci. 1:225-236.
94. Sinha, R. P. and D.-P. Häder. 2008. UV-protectants in cyanobacteria. Plant Sci. 174:278-289.
95. Sinha, R. P., M. Klisch, A. Gröniger and D.-P. Häder. 1998. Ultraviolet-absorbing/screening substances in cyanobacteria, phytoplankton and macroalgae. J. Photoch. Photobio. B 47:83-94.
96. Sinha, R. P., M. Klisch, A. and D.-P. Häder. 1999. Induction of a mycosporine-like amino acid (MAA) in the rice-field cyanobacterium Anabaena sp. by UV irradiation. J. Photoch. Photobio. B 52:59-64.
97. Sinha, R. P., M. Klisch, A. Gröniger and D.-P. Häder. 2000. Mycosporine-like amino acids in the marine red alga Gracilaria cornea - effects of UV and heat. Environ. Exp. Bot. 43:33-43.
98. Sinha, R. P., M. Klisch, E. W. Helbling and D.-P. Häder. 2001. Induction of mycosporine-like amino acids (MAAs) in cyanobacteria by solar ultraviolet-B radiation. J. Photoch. Photobio. B 60:129-135.
99. Sinha, R. P., J. P. Sinha, A. Gröniger and D.-P. Häder. 2002. Polychromatic action spectrum for the induction of a mycosporine-like amino acid in a rice-field cyanobacterium, Anabaena sp. J. Photoch. Photobio. B 66:47-53.
100. Sinha, R. P., N. K. Ambasht, J. P. Sinha, M. Klisch and D.-P. Häder. 2003. UV-B-induced synthesis of mycosporine-like amino acids in three strains of Nodularia (cyanobacteria). J. Photoch. Photobio. B 71:51-58.
101. Sinha, R. P., S. P. Singh, and D.-P. Häder. 2007. Database on mycosporines and mycosporinelike amino acids (MAAs) in fungi, cyanobacteria, macroalgae, phytoplankton and animals. J. Photoch. Photobio. B 89:29-35.
102. Talarico, L. and G. Maranzana. 2000. Light and adaptive responses in red macroalgae: an overview. J. Photoch. Photobio. B 56:1-11.
103. Tambutté, S., M. Holcomb, C. Ferrier-Pagès, S. Reynaud, É. Tambutté, D. Zoccola and D. Allemand. 2011. Coral biomineralization:from gene to the environment. J. Exp. Mar. Biol. Ecol. 408:58-78.
104. Vincent, W.F. and S. Roy. 1993. Solar ultraviolet-B radiation and aquatic primary production: damage, protection andrecovery. Environ. Rev. 1:1-12.
105. Wang, G., C. Hu, D. Li, D. Zhang, X. Li, K. Chen and Y. Liu. 2007. The response of antioxidant systems in Nostoc sphaeroides against UV-B radiation and the protective effects of exogenous antioxidants. Adv. Space Res. 39:1034-1042.
106. Wängberg, S.-Å., A. Persson and B. Karlson. 1997. Effects of UV-B radiation on synthesis of mycosporine-like amino acid and growth in Heterocapsa triquetra (Dinophyceae). J. Photoch. Photobio. B 37:141-146.
107. Wassmann, P., J. Carroll and R. G. J. Bellerby. 2008. Carbon flux and ecosystem feedback in the northern Barents Sea in an era of climate change: an introduction. Deep-Sea Res. II 55:2143-2153.
108. Wu, H., K. Gao and H. Wu. 2009. Responses of a marine red tide alga Skeletonema costatum (Bacillariophyceae) to long-term UV radiation exposures. J. Photoch. Photobio. B 94:82-86.
109. Wulff, A., M. Mohlin and K. Sundbäck. 2007. Intraspecific variation in the response of the cyanobacterium Nodularia spumigena to moderate UV-B radiation. Harmful Algae 6:388-399.
110. Xiong, F., J. Kopecky and L. Nedbal. 1999. The occurrence of UV-B absorbing mycosporinelike amino acids in freshwater and terrestrial microalgae (Chlorophyta). Aquat. Bot. 63:37-49.
111. Xiong, A.-S., R.-H. Peng, J. Zhuang, F. Gao, B. Zhu, X.-Y. Fu, Y. Xue, X.-F. Jin, Y.-S. Tian, W. Zhao and Q.-H. Yao. 2009. Gene duplication, transfer, and evolution in the chloroplast genome. Biotech. Adv. 27:340-347.
112. Xu, J. and K. Gao. 2010. UV-A enhanced growth and UV-B induced positive effects in the recovery of photochemical yield in gracilaria lemaneiformis (Rhodophyta). J. Photoch. Photobio. B 100:117-122.
113. Yakovleva, I. M. and M. Hidaka. 2004. Diel fluctuations of mycosporine-like amino acids (MAAs) in shallow water scleractinian corals. Mar. Biol. 145:863-873.
114. Yuan, Y. V., N. D. Westcott, C. Hu and D. D. Kitts. 2009. Mycosporine-like amino acid composition of the edible red alga, Palmaria palmate (dulse) harvested from the west and east coasts of Grand Manan Island, New Brunswick. Food Chem. 112:321-328.
115. Zeeshan, M. and S. M. Prasad. 2009. Differential response of growth, photosynthesis, antioxidant enzymes and lipid peroxidation to UV-B radiation in three cyanobacteria. S. Afr. J. Bot. 75:466-474.
116. Zhang, L., L. Li and Q. Wu. 2007. Protective effects of mycosporine-like amino acids of Synechocystis sp. PCC 6803 and their partial characterization. J. Photoch. Photobio. B 86:240-245.
117. Zhang, H., W. Li, J. Li, W. Fu, J. Yao and D. Duan. 2011. Characterization and expression analysis of hsp70 gene from Ulva prolifera J. Agarth (Chlorophycophyta, Chlorophyceae). Marine Genomics 5:53-58.
118. Zudaire, L. and S. Roy. 2001. Photoprotection and long-term acclimation to UV radiation in the marine diatom Thalassiossira weissflogii. J Photoch. Photobio. B 62:26-34.