Cyanobacterial responses to UV radiation

Ecology of Cyanobacteria II: Their Diversity in Space and Time

Volumn , Issue , 2013, Pages 481-499

  Castenholz, Richard W ^a   Garcia Pichel, Ferran ^b  

^a UNIVERSITY OF OREGON   (United States)

^b ARIZONA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84931465657     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1007/978-94-007-3855-3_19     Document Type: Chapter

References (161)

1. Asada K, Takahashi M (1987) Production and scavenging of active oxygen in photosynthesis. In: Kyle DJ, Osmond CB, Arntzen CJ (eds) Photoinhibition. Elsevier Science Publishers, Amsterdam, pp 227-287
2. Bailey S, Grossman A (2008) Photoprotection in cyanobacteria: regulation of light harvesting. Photochem Photobiol 84:1410-1420
3. Balskus EP, Walsh CT (2008) Investigating the initial steps in the biosynthesis of cyanobacterial sunscreen scytonemin. J Am Chem Soc 130:15260-15261
4. Balskus EP, Walsh CT (2010) The genetic and molecular basis of sunscreen biosynthesis in cyanobacteria. Science 329:1653-1656
5. Bebout BM, Garcia-Pichel F (1995) UVB-induced vertical migrations of cyanobacteria in a microbial mat. Appl Environ Microbiol 61:4215-4222
6. Billi D, Friedmann EI, Hofer KG, Caiola MG, Ocampo-Friedmann R (2000) Ionizing-radiation resistance in the desiccation-tolerant cyanobacterium Chroococcidiopsis . Appl Environ Microbiol 66:1489-1492
7. Bonilla SE, Villeneuve V, Vincent WF (2005) Benthic and planktonic algal communities in a High Arctic lake: pigment structure and contrasting responses to nutrient enrichment. J Phycol 41:1120-1130
8. Booth CR, Morrow JH (1997) The penetration of UV into natural waters. Photochem Photobiol 65:254-257
9. Bothwell ML, Sherbot D, Roberg AC, Daley RJ (1993) Influence of natural ultraviolet radiation on lotic periphytic diatom community growth, biomass accrual, and species composition: short-term versus long-term effects. J Phycol 29:24-35
10. Bothwell ML, Sherbot DMJ, Pollock CM (1994) Ecosystem response to solar ultraviolet-B radiation: influence of trophic level interactions. Science 265:97-100
11. Bouchard JN, Roy S, Ferreyra G, Campbell DA, Curtosi A (2005) Ultraviolet-B effects on photosystem II efficiency of natural phytoplankton communities from Antarctica. Polar Biol 28:607-618
12. Brenowitz S, Castenholz RW (1997) Long-term effects of UV and visible irradiance on natural populations of a scytonemin-containing cyanobacterium ( Calothrix sp.). FEMS Microbiol Ecol 24:343-352
13. Britton G (1995) Structure and properties of carotenoids in relation to function. FASEB J 9:1551-1558
14. Büdel B, Karsten U, Garcia-Pichel F (1997) Ultraviolet-absorbing scytonemin and mycosporine-like amino acid derivatives in exposed, rock-inhabiting cyanobacterial lichens. Oecologia 112:165-172
15. Campbell D, Eriksson M-J, Öquist G, Gustafsson P, Clarke AK (1998) The cyanobacterium Synechococcus resists UV-B by exchanging photosystem II reaction center D1 proteins. Proc Natl Acad Sci USA 95:364-369
16. Castenholz RW (1968) The behavior of Oscillatoria terebriformis in hot springs. J Phycol 4:132-139
17. Castenholz RW (2004) Phototrophic bacteria under UV stress. In: Seckbach J (ed) Origins, evolution and biodiversity of microbial life. Kluwer Academic Publishers, Dordrecht, pp 445-461
18. Castenholz RW (2009) Mats, microbial. In: Encyclopedia of Microbiology, Elsevier, pp 278-292
19. Castenholz RW, Garcia-Pichel F (2000) Cyanobacterial responses to UV-radiation. In: Whitton BA, Potts M (eds) The ecology of cyanobacteria. Their diversity in time and space. Kluwer Academic Publishers, Dordrecht, pp 591-611, 669 pp
20. Castenholz RW, Schneider A (1993) Cyanobacterial dominance at high and low temperatures: optimal conditions or precarious existence? In: Guerrero R, Pedros-Alio C (eds) Trends in microbial ecology. Spanish Society for Microbiology, Barcelona, pp 19-24
21. Choi J-S, Chung Y-H, Moon Y-J, Kim C, Watanabe M, Song P-S, Joe C-O, Bogorad L, Park YM (1999) Photomovement of the gliding cyanobacterium Synechocystis sp. PCC 6803. Photochem Photobiol 70:95-102
22. Cockell CS (1998) The biological effects of high ultraviolet radiation on early Earth: A theoretical evaluation. J Theor Biol 193:717-729
23. Cockell CS (2001) A photobiological history of Earth. In: Cockell CS, Blaustein AR (eds) Ecosystems, evolution, and ultraviolet radiation. Springer, New York, pp 1-35, 221 pp
24. Cockell CS, Rothschild LJ (1999) The effects of UV radiation A and B on diurnal variation in photosynthesis in three taxonomically and ecologically diverse microbial mats. Photochem Photobiol 69:203-210
25. Cullen JJ, Neale PJ (1994) Ultraviolet radiation, ozone depletion and marine photosynthesis. Photosynth Res 39:303-320
26. Day TA, Neale PJ (2002) Effects of UV-B radiation on terrestrial and aquatic primary producers. Annu Rev Ecol Syst 33:371-396
27. Des Marais DJ (1995) The biogeochemistry of hypersaline microbial mats. Adv Microbiol Ecol 14:251-274
28. Diffey BL, Green AT, Loftus MJ, Johnson GJ, Lee PS (1995) A portable instrument for measuring ground reflectance in the ultraviolet. Photochem Photobiol 61:68-70
29. Dillon JG, Castenholz RW (1999) Scytonemin, a cyanobacterial sheath pigment, protects against UVC radiation: implications for early photosynthetic life. J Phycol 35:673-681
30. Dillon JG, Castenholz RW (2003) The synthesis of the UV-screening pigment, scytonemin, and photosynthetic performance in isolates from closely related natural populations of cyanobacteria ( Calothrix sp.). Environ Microbiol 5:484-491
31. Dillon JG, Tatsumi CM, Tandingan PG, Castenholz RW (2002) Effect of environmental factors on the synthesis of scytonemin, a UV-screening pigment, in a cyanobacterium ( Chroococcidiopsis sp.). Arch Microbiol 177:322-331
32. Dillon JG, Miller SR, Castenholz RW (2003) UV-acclimation responses in natural populations of cyanobacteria ( Calothrix sp.). Environ Microbiol 5:473-483
33. Dodds WK, Castenholz RW (1988) The biological effects of nitrate fertilization and water replacement in an oligotrophic cold water pond. Hydrobiologia 162:141-146
34. Eguchi M, Oketa T, Miyamoto N, Maeda H, Kawai A (1996) Occurrence of viable photoautotrophic picoplankton in the aphotic zone of Lake Biwa, Japan. J Plankton Res 18:539-550
35. Ehling-Schulz M, Scherer S (1999) UV protection in cyanobacteria. Eur J Phycol 34:329-338
36. Ehling-Schulz M, Bilger W, Scherer S (1997) UV-B-induced synthesis of photoprotective pigments and extracellular polysaccharides in the terrestrial cyanobacterium Nostoc commune . J Bacteriol 179:1940-1945
37. Fleming ED, Castenholz RW (2007) Effects of periodic desiccation on the synthesis of the UV-screening compound, scytonemin, in cyanobacteria. Environ Microbiol 9:1448-1455
38. Fleming ED, Castenholz RW (2008) Effects of nitrogen source on the synthesis of the UV-screening compound, scytonemin, in the cyanobacterium Nostoc punctiforme PCC 73102. FEMS Microbiol Ecol 63:301-308
39. Fleming ED, Bebout BM, Castenholz RW (2007) Effects of salinity and light intensity on the resumption of photosynthesis in a rehydrated cyanobacterial mat from Baja California Sur, Mexico. J Phycol 43:15-24
40. Frederick JE, Snell HE, Haywood EK (1989) Solar ultraviolet radiation at the earth's surface. Photochem Photobiol 50:443-450
41. Gao K, Ye C (2007) Photosynthetic insensitivity of the terrestrial cyanobacterium Nostocflagelliforme to solar UV radiation while rehydrated or desiccated. J Phycol 43:628-635
42. Gao K, Li P, Watanabe T, Heibling EW (2008) Combined effects of ultraviolet radiation and temperature on morphology, photosynthesis, and DNA of Arthrospira (Spirulina) platensis (Cyanophyta). J Phycol 44:777-786
43. Gao Q, Garcia-Pichel F (2011) Microbial ultraviolet sunscreens. Nat Rev Microbiol 9:791-802
44. Garcia-Pichel F (1994) A model for internal self-shading in planktonic microorganisms and its implications for the usefulness of sunscreens. Limnol Oceanogr 39:1704-1717
45. Garcia-Pichel F (1998) Solar ultraviolet and the evolutionary history of cyanobacteria. Orig Life Evol Biosph 28:321-347
46. Garcia-Pichel F, Bebout BM (1996) The penetration of ultraviolet radiation into shallow water sediments: high exposure for photosynthetic communities. Mar Ecol Prog Ser 131:257-262
47. Garcia-Pichel F, Belnap J (1996) Microenvironments and microscale productivity of cyanobacterial desert crusts. J Phycol 32:774-782
48. Garcia-Pichel F, Castenholz RW (1991) Charaterization and biological implications of scytonemin, a cyanobacterial sheath pigment. J Phycol 27:395-409
49. Garcia-Pichel F, Castenholz RW (1993) Occurrence of UV-absorbing, mycosporine-like compounds among cyanobacterial isolates and an estimate of their screening capacity. Appl Environ Microbiol 59:163-169
50. Garcia-Pichel F, Sherry ND, Castenholz RW (1992) Evidence for an ultraviolet sunscreen role of the extracellular pigment scytonemin in the terrestrial cyanobacterium Chlrogloeopsis sp. Photochem Photobiol 56:17-23
51. Garcia-Pichel F, Wingard CE, Castenholz RW (1993) Evidence regarding the UV-sunscreen role of a mycosporine-like compound in the cyanobacterium Gloeocapsa sp. Appl Environ Microbiol 59:170-176
52. Garcia-Pichel F, Mechling M, Castenholz RW (1994) Diel migrations of microorganisms within a benthic, hypersaline mat community. Appl Environ Microbiol 60:1500-1511
53. Gieskes WWC, Buma AGJ (1997) UV damage to plant life in a photobiologically dynamic environment: The case of marine phytoplankton. Plant Ecol 128:16-25
54. Gill RT, Katsoulakis E, Schmitt W, Taroncher-Oldenburg G, Misra J, Stephanopoulos G (2002) Genome-wide dynamic transcriptional profiling of the light-to-dark transition in Synechocystis sp. strain PCC 6803. J Bacteriol 184:3671-3681
55. Girotti AW (2001) Photooxidized oxidation of membrane lipids: reaction pathways, cytotoxic effects, and cytoprotective mechanisms. J Photochem Photobiol B 63:103-113
56. Häder D-P (1984) Effects of UV-B on motility and photoorientation in the cyanobacterium, Phormidium uncinatum . Arch Microbiol 140:34-39
57. Häder D-P (2001) Ultraviolet radiation and aquatic microbial ecosystems. In: Cockell CS, Blaustein AR (eds) Ecosystems, evolution, and ultraviolet radiation. Springer, New York, pp 150-169
58. Häder D-P, Lebert M, Schuster M, Del Ciampo L, Helbling EW, McKenzie R (2007) ELDONET-A decade of monitoring solar radiation onfive continents. Photochem Photobiol 83:1348-1357
59. He Y-Y, Klisch M, Häder D-P (2002) Adaptation of cyanobacteria to UV-B stress correlated with oxidative stress and oxidative damage. Photochem Photobiol 76:188-196
60. Helbling EW, Villafañe V, Holm-Hansen O (1994) Effects of ultraviolet radiation on Antarctic marine plankton photosynthesis with particular attention to the influence of mixing. In: Weiler CS, Penhale PA (eds) Ultraviolet radiation in Antarctica: measurements and biological effects, vol 62. American Geophysical Union, Washington, DC, pp 207-227
61. Hockberger PE (2002) A history of ultraviolet photobiology for humans, animals and microorganisms. Photochem Photobiol 76:561-579
62. Holm-Hansen O, Lubin D, Helbling EW (1993) Ultraviolet radiation and its effects on organisms in aquatic environments. In: Young AR, Björn LO, Moan J, Nultsch W (eds) Environmental UV photobiology. Plenum Press, New York, pp 379-425
63. Hren MT, Tice MM, Chamberlain CP (2009) Oxygen and hydrogen isotope evidence for a temperate climate 3.42 billion years ago. Nature 462:205-208
64. Jägger J (1985) Solar-UV action on living cells. Praeger, New York
65. Javor BJ, Castenholz RW (1981) Laminated microbial mats, Laguna Guerrero Negro, Mexico. Geomicrobiology 2:237-273
66. Javor BJ, Castenholz RW (1984) Productivity studies of microbial mats, Laguna Guerrero Negro, Mexico. In: Cohen Y, Castenholz RW, Halvorson HO (eds) Microbial mats: stromatolites. Alan R. Liss, Inc., New York, pp 149-170
67. Jeffrey WH, Pledger RJ, Aas P, Hager S, Coffin RB, Von Haven R, Mitchell DL (1996) Diel and depth profiles of DNA photodamage in bacterioplankton exposed to ambient solar ultraviolet radiation. Mar Ecol Prog Ser 137:283-291
68. Johnson AC, Castenholz RW (2000) Preliminary observations of the benthic cyanobacteria of Waldo Lake and their potential contribution to lake productivity. Lake Reserv Manag 16:85-90
69. Josue JS, Frank HA (2002) Direct determination of the S 1 excited-state energies of xanthophylls by low-temperaturefluorescence spectroscopy. J Phys Chem A 106:2815-2824
70. Kanofsky JR, Sima PD (2009) Quenching of singlet oxygen by a carotenoid-cyclodextrin complex: The importance of aggregate formation. Photochem Photobiol 85:391-399
71. Karlsson J, Byström P, Ask J, Ask P, Persson L, Jansson M (2009) Light limitation of nutrientpoor lake ecosystems. Nature 460:506-509
72. Karsten U, Maier J, Garcia-Pichel F (1998) Seasonality in UV-absorbing compounds of cyanobacterial mat communities from an intertidal mangrove. Aquat Microb Ecol 16:37-44
73. Kasting JF (1987) Theoretical constraints on oxygen and carbon dioxide concentrations in the Precambrian atmosphere. Precambrian Res 34:205-229
74. Kasting JF, Zahnle KJ, Pinto JP, Young AT (1989) Sulfur, ultraviolet radiation, and the early evolution of life. Orig Life Evol Biosph 19:95-108
75. Kelman D, Ben-Amotz A, Berman-Frank I (2009) Carotenoids provide the major antioxidant defence in the globally significant N 2 -fixing marine cyanobacterium Trichodesmium . Environ Microbiol 11:1897-1908
76. Knoll AH (2008) Cyanobacteria and earth history. In: Herrero A, Flores E (eds) The cyanobacteria - molecular biology, genomics and evolution. Caister Academic Press, Norfolk, pp 1-19, 484 pp
77. Koller LR (1965) Ultraviolet radiation. Wiley, New York, 312 pp
78. Kruschel C, Castenholz RW (1998) The effect of solar UV and visible irradiance on the vertical movements of cyanobacteria in microbial mats of hypersaline waters. FEMS Microbiol Ecol 27:53-72
79. Kvalevag MM, Myhre G, Lund Myhre CE (2009) Extensive reduction of surface UV radiation since 1750 in world's populated regions. Atmos Chem Phys 9:7737-7751
80. Lao K, Glazer AN (1996) Ultraviolet-B photodestruction of a lightharvesting complex. Proc Natl Acad Sci USA 93:5258-5263
81. Laurion I, Roy S (2009) Growth and photoprotection in three dinoflagellates (including two strains of Alexandrium tamarense ) and one diatom exposed to four weeks of natural and enhanced ultraviolet-B radiation. J Phycol 45:16-33
82. Lehr CR, Frank SD, D'Imperio S, Kalinin A, Toplin JA, Norris TB, Castenholz RW, McDermott TR (2007) Cyanidial (Cyanidiales) population diversity and dynamics in an acid-sulfate chloride spring in Yellowstone National Park. J Phycol 43:3-14
83. Los DA, Suzuki I, Zinchenko VV, Murata N (2008) Stress responses in Synechocystis: regulated genes and regulated systems. In: Herrero A, Flores E (eds) The cyanobacteria - molecular biology, genomics and evolution. Caister Academic Press, Norfolk, pp 117-157, 484 pp
84. MacDonald TM, Dubois L, Smith LC, Campbell DA (2003) Sensitivity of cyanobacterial antenna, reaction center and CO 2 assimilation transcripts and proteins to moderate UVB: light acclimation potentiates resistance to UVB. Photochem Photobiol 77:405-412
85. Máté Z, Sass L, Szekeres M, Vass I, Nagy F (1998) UV-B-induced differential transcription of psbA genes encoding the D1 protein of photosystem II in the cyanobacterium Synechocystis 6803. J Biol Chem 273:17439-17444
86. Matthes U, Turner SJ, Larson DW (2001) Light attenuation by limestone rock and its constraint on the depth distribution of endolithic algae and cyanobacteria. Int J Plant Sci 162:262-270
87. Mazor G, Kidron GJ, Vonshak A, Abeliovich A (1996) The role of cyanobacterial exopolysaccharides in structuring desert microbial crusts. FEMS Microbiol Ecol 21:21-130
88. Meador JA, Baldwin AJ, Catala P, Jeffrey WH, Joux F, Moss JA, Pakulski D, Stevens R, Mitchell DL (2009) Sunlight-induced DNA damage in marine micro-organisms collected along a latitudinal gradient from 70°N to 68°S. Photochem Photobiol 85:412-420
89. Miller SR, Wingard CE, Castenholz RW (1998) Effects of visible light and UV radiation on photosynthesis in a population of a hot spring cyanobacterium, a Synechococcus sp., subjected to high-temperature stress. Appl Environ Microbiol 64:3893-3899
90. Morel A, Gentili B, Claustrre H, Babin M, Bricaud A, Ras J, Tièche F (2007) Optical properties of the "clearest" natural waters. Limnol Oceanogr 52:217-229
91. Nadeau T-L, Castenholz RW (2000) Characterization of psychrophilic oscillatorians (Cyanobacteria) from Antarctic meltwater ponds. J Phycol 36:914-923
92. Nadeau T-L, Howard-Williams H, Castenholz RW (1999) Effects of solar UV and visible irradiance on photosynthesis and vertical migration of Oscillatoria sp (cyanobacteria) in an Antarctic microbial mat. Aquat MicrobEcol 20:231-243
93. Nicholson P, Osborn RW, Howe CJ (1987) Induction of protein synthesis in response to ultraviolet light, nalidixic acid and heat shock in the cyanobacterium Phormidium laminosum . FEBS Lett 221:110-114
94. Nielsen T, Ekelund NGA (1995) Influence of solar ultraviolet radiation on photosynthesis and motility of marine phytoplankton. FEMS Microbiol Ecol 18:281-288
95. Nienow JA, Friedmann EI (1993) Terrestrial lithophytic (rock) communities. In: Friedmann EI (ed) Antarctic microbiology. Wiley-Liss, New York, pp 343-412
96. Niyogi KK (1999) Photoprotection revisited: genetic and molecular approaches. Annu Rev Plant Physiol Plant Mol Biol 50:333-359
97. Norris TB, Castenholz RW (2006) Endolithic photosynthetic communities within ancient and recent travertine deposits in Yellowstone National Park. FEMS Microbiol Ecol 57:470-483
98. Norris TB, McDermott TR, Castenholz RW (2002) The long-term effects of UV exclusion on the microbial composition and photosynthetic competence of bacteria in hot-spring microbial mats. FEMS Microbiol Ecol 39:193-209
99. Olsson-Francis K, de la Torre R, Cockell CS et al (2010) Isolation of novel extreme-tolerant cyanobacteria from a rock-dwelling microbial community by using exposure to low Earth orbit. Appl Environ Microbiol 76:2115-2121
100. Orce VL, Helbling EW (1997) Latitudinal UVR-PAR measurements in Argentina: extent of the "ozone hole". Glob Planet Change 15:113-121
101. Oren A (1997) Mycosporine-like amino acids as osmotic solutes in a community of halophilic cyanobacteria. Geomicrobiol J 14: 231-240
102. Pakker H, Martins RST, Boelen P, Buma AGJ, Nikaido O, Breeman AM (2000) Effects of temperature on the photoreactivation of ultraviolet-B-induced DNA damage in Palmaria palmata (Rhodophyta). J Phycol 36:334-341
103. Pavlov AA, Kasting JF (2002) Mass-independent fractionation of sulfur isotopes in Archean sediments: strong evidence for an anoxic Archean atmosphere. Astrobiology 2:27-41
104. Pescheck F, Bischof K, Bilger W (2010) Screening of ultraviolet-A and ultraviolet-B radiation in marine green macroalgae (Chlorophyta). J Phycol 46:444-455
105. Phoenix VR, Bennett PC, Engel AS, Tyler SW, Ferris FG (2006) Chilean high-altitude hot spring sinters: A model system for UV screening mechanisms by early Precambrian cyanobacteria. Geobiology 4:15-28
106. Pierson BK (1994) The emergence, diversification, and role of photosynthetic eubacteria. In: Bengtson S, Bergström J, Vidal G, Knoll A (eds) Early life on earth. Columbia University Press, New York, pp 161-180, 605 pp
107. Pierson BK, Mitchell HK, Ruff-Roberts AL (1993) Chloroflexus aurantiacus and ultraviolet radiation: implications for Archean shallowwater stromatolites. Orig Life Evol Biosph 23:243-260
108. Porankiewicz J, Schelin J, Clarke AK (1998) The ATP-dependent Clp protease is essential for acclimation to UV-B and low temperature in the cyanobacterium Synechococcus . Mol Microbiol 29:275-283
109. Portwich A, Garcia-Pichel F (1999) Ultraviolet and osmotic stresses induce and regulate the synthesis of mycosporines in the cyanobacterium Chlorogloeopsis PCC 6912. Arch Microbiol 172:187-192
110. Portwich A, Garcia-Pichel F (2000) A novel prokaryotic UVB photoreceptor in the cyanobacterium Chlorogloeopsis PCC 6912. Photochem Photobiol 71:493-498
111. Portwich A, Garcia-Pichel F (2003) Biosynthetic pathway of mycosporines (mycosporine-like amino acids) in the cyanobacterium Chlorogloeopsis sp. strain PCC 6912. Phycologia 42:384-392
112. Postius C, Ernst A, Kenter U, Böger P (1996) Persistence and genetic diversity among strains of the phycoerythrin-rich cyanobacteria from the picoplankton of Lake Constance. J Plankton Res 18: 1159-1166
113. Potts M (1994) Desiccation tolerance of prokaryotes. Microbiol Rev 58:755-805
114. Prezelin BB, Boucher NP, Smith RC (1994) Marine primary production under the influence of the Antarctic ozone hole: Icecolors'90. In: Weiler CS, Penhale PA (eds) Ultraviolet radiation in Antarctica: measurement and biological effects, vol 62. American Geophysical Union, Washington, DC, pp 159-186
115. Proteau PJ, Gerwick WH, Garcia-Pichel F, Castenholz RW (1993) The structure of scytonemin, an ultraviolet sunscreen pigment from the sheaths of cyanobacteria. Experientia 49:825-829
116. Quesada A, Vincent WF (1997) Strategies of adaptation by Antarctic cyanobacteria to ultraviolet radiation. Eur J Phycol 32:335-342
117. Ramsing NB, Prufert-Bebout L et al (1994) Motility of Microcoleus chthonoplastes subjected to different light intensities quantified by digital image analysis. In: Stal LJ, Caumette P (eds) Microbial mats. Structure, development and environmental significance, vol 35, NATO ASI series. Springer, Berlin, pp 183-191
118. Ramsing NB, Ferris MJ, Ward DM (1997) Light-induced motility of thermophilic Synechococcus isolates from Octopus Spring, Yellowstone National Park. Appl Environ Microbiol 63:2347-2354
119. Rasmussen B, Blake TM, Fletcher IR, Kilburn MR (2009) Evidence for microbial life in synsedimentary cavities from 2.75 Ga terrestrial environments. Geology 37:423-426
120. Ravanat J-L, Douki T, Cadet J (2001) Direct and indirect effects of UV radiation on DNA and its components. J Photochem Photobiol B 63:88-102
121. Richardson LL, Castenholz RW (1987) Diel vertical movements of the cyanobacterium Oscillatoria terebriformis in a sulfide-rich hot spring microbial mat. Appl Environ Microbiol 53:2142-2150
122. Robinson N (1966) Solar radiation. Elsevier, Amsterdam
123. Roy S (2000) Strategies for the minimization of UV-induced damage. In: de Mora S, Demers S, Vernet M (eds) The effects of UV radiation in the marine environment. Cambridge University Press, Cambridge, pp 176-205
124. Roy CR, Gies HP, Tomlinson DW, Lugg DL (1994) Effects of ozone depletion on the ultraviolet radiation environment at the Australian stations in Antarctica. In: Weiler CS, Penhale PA (eds) Ultraviolet radiation in Antarctica: measurement and biological effects, vol 62. American Geophysical Union, Washington, DC, pp 1-15
125. Sancar A (1994) Mechanisms of DNA excision repair. Science 266:1954-1956
126. Sancar A (1996) No "end of history" for photolyases. Science 272:48-49
127. Sass L, Spetea C, Máté Z, Nagy F, Vass I (1997) Repair of UVB induced damage of photosystem II via de novo synthesis of the D1 and D2 reaction centre subunits in Synechocystis sp. PCC 6803. Photosynth Res 54:55-62
128. Scully NM, McQueen DJ, Lean DRS (1996) Hydrogen peroxide formation: The interaction of ultraviolet radiation and dissolved organic carbon in lake waters along a 43-75°N gradient. Limnol Oceanogr 41:540-548
129. Sheridan RP (2001) The role of ultraviolet radiation in maintaining the three-dimensional structure of a cyanobacterial mat community and facilitating nitrogenfixation. J Phycol 37:731-737
130. Shibata H, Katsuya B, Ochiai H (1991) Near-UV irradiation induces shock proteins in Anacystis nidulans R-2; possible role of active oxygen. Plant Cell Physiol 32:771-776
131. Shick JM, Dunlap WC (2002) Mycosporine-like amino acids and related gadusols: biosynthesis, accumulation, and UV- protective functions in aquatic organisms. Annu Rev Physiol 64:223-262
132. Singh SP, Kumari S, Rostagi RP, Singh KL, Richa SRP (2010) Photoprotective and biotechnical potentials of cyanobacterial sheath pigment, scytonemin. Afr J Biotechnol 9:580-588
133. Sinha RP, Klisch M, Helbling EW, Häder D-P (2001) Induction of mycosporine-like amino acids (MAAs) in cyanobacteria by solar ultraviolet-B radiation. J Photochem Photobiol B 60:129-135
134. Smith RC, Baker KS (1981) Optical properties of the clearest natural seawaters. Appl Opt 20:177-188
135. Sobrino C, Ward ML, Neale PJ (2008) Acclimation to elevated carbon dioxide and ultraviolet radiation in the diatom Thallasiosira pseudonana: effects on growth, photosynthesis, and spectral sensitivity of photoinhibition. Limnol Oceanogr 53:494-505
136. Sorrels CM, Proteau PJ, Gerwick WH (2009) Organization, evolution, and expression analysis of the biosynthetic gene cluster for scytonemin, a cyanobacterial UV-absorbing pigment. Appl Environ Microbiol 75:4861-4869
137. Soule T, Stout V, Swingley WD, Meeks JC, Garcia-Pichel F (2007) Molecular genetics and genomic analysis of scytonemin biosynthesis in Nostoc punctiforme ATCC 29133. J Bacteriol 189:4465-4472
138. Soule T, Palmer K, Gao Q, Potrafka RM, Stout V, Garcia-Pichel F (2009a) A comparative genomics approach to understanding the biosynthesis of the sunscreen scytonemin in cyanobacteria. BMC Genomics 10:336-345
139. Soule T, Garcia-Pichel F, Stout V (2009b) Gene expression patterns associated with the biosynthesis of the sunscreen scytonemin in Nostoc punctiforme ATCC 29133 in response to UVA radiation. J Bacteriol 191:4639-4646
140. Tang EPY, Tremblay R, Vincent WF (1997) Cyanobacterial dominance of polar freshwater ecosystems: are high latitude mat formers adapted to low temperature? J Phycol 33:171-181
141. Tichy M, Vermaas W (1999) In vivo role of catalase-peroxidase in Synechocystis sp. strain PCC 6803. J Bacteriol 181:1875-1882
142. Van Baalen C (1968) The effects of ultraviolet irradiation on a coccoid blue-green alga: survival, photosynthesis, and photoreactivation. Plant Physiol 43:1689-1695
143. Van Baalen C, O'Donnell K (1972) Action spectra for ultraviolet killing and photoreactivation in the blue-green alga Agmenellum quadruplicatum . Photochem Photobiol 15:269-274
144. Vincent WF (1988) Microbial ecosystems of Antarctica. Cambridge University Press, Cambridge, 304 pp
145. Vincent WF (2000) Cyanobacterial dominance in the polar regions. In: Whitton BA, Potts M (eds) The ecology of cyanobacteria. Their diversity in time and space. Kluwer Academic Publishers, Dordrecht, pp 321-340, 669 pp
146. Vincent WF, Neale PJ (2000) Mechanisms of UV damage to aquatic organisms. In: de Mora S, Demers S, Vernet M (eds) The effects of UV radiation in the marine environment. Cambridge University Press, Cambridge, pp 149-176
147. Vincent WF, Roy S (1993) Solar ultraviolet-B radiation and aquatic primary production: damage, protection, and recovery. Environ Rev 1:1-12
148. Vincent WF, Downes MT, Castenholz RW, Howard-Williams C (1993) Community structure and pigment organisation of cyanobacteriadominated microbial mats in Antarctica. Eur J Phycol 28:213-221
149. Vincent WF, Mueller DR, Van Hove P, Howard-Williams C (2004) Glacial periods on early Earth and implications for the evolution of life. In: Seckbach J (ed) Origins: genesis, evolution and diversity of life. Kluwer Academic Publishers, Dordrecht, pp 481-501
150. Vinebrooke RD, Leavitt PR (1996) Effects of ultraviolet radiation on periphyton in an alpine lake. Limnol Oceanogr 41:1035-1040
151. Walker JJ, Pace NR (2007) Phylogenetic composition of Rocky Mountain endolithic microbial ecosystems. Appl Environ Microbiol 73:3497-3504
152. Walsby AE (1994) Gas vesicles. Microbiol Rev 58:94-144
153. Ward DM, Castenholz RW (2000) Cyanobacteria in geothermal habitats. In: Whitton BA, Potts M (eds) Ecology of cyanobacteria: their diversity in time and space. Kluwer Academic Publishers, Dordrecht, pp 7-59, 669 pp
154. Weisse T (1993) Dynamics of autotrophic picoplankton in marine and freshwater ecosystems. Adv Microb Ecol 13:327-370
155. Whitehead RF, de Mora SJ, Demers S (2000) Enhanced UV radiation - a new problem for the marine environment. In: de Mora S, Demers S, Vernet M (eds) The effects of UV radiation in the marine environment. Cambridge University Press, Cambridge, pp 1-34
156. Willis KJ, Bennett KD, Birks HJB (2009) Variability in thermal and UV-B energyfluxes through time and their influence on plant diversity and speciation. J Biogeogr 36:1630-1644
157. Wingard CE, Schiller JR, Castenholz RW (1997) Evidence regarding the possible role of c-phycoerythrin in ultraviolet-B tolerance in a thermophilic cyanobacterium. Photochem Photobiol 65:833-842
158. Wu H, Gao K, Villafañe VE, Watanabe T, Helbling EW (2005) Effects of solar UV radiation on morphology and photosynthesis offilamentous cyanobacterium Arthrospira platensis . Appl Environ Microbiol 71:5004-5013
159. Xing P, Hahn MW, Wu QL (2009) Low taxon richness of bacterioplankton in high-altitude lakes of the eastern Tibetan Plateau with a predominance of Bacteroidetes and Synechococcus spp. Appl Environ Microbiol 75:7017-7025
160. Zalar A, Tepfer D, Hoffmann SV, Kenney JM, Leach S (2007a) Directed exospermia: I. biological modes of resistance to UV light are implied through absorption spectroscopy of DNA and potential UV screens. Int J Astrobiol 6:229-240
161. Zalar A, Tepfer D, Hoffmann SV, Kollmann A, Leach S (2007b) Directed exospermia: II. VUV-UV spectroscopy of specialized UV screens, including plantflavonoids, suggests using metabolic engineering to improve survival in space. Int J Astrobiol 7:1-11