E. IMRE FRIEDMANN, PUBLICATIONS IN ARCHIVAL LITERATURE 1. Friedmann, I. 1952. Über neue und wenig bekannte auf Diatomeen parasitierende Phycomyceten. Österr. bot. Z. 99:173–219. 2. Friedmann, I. 1953. Eine neue Chytridiale, Chytridium surirellae n.sp. Österr.Bot. Z. 100:5–7. 3. Friedmann, I. 1955. Geitleria calcarea n. gen. et n. sp., a new atmophytic lime-incrusting blue-green alga. Bot. Notiser 108:439–445. 4. Friedmann, I. 1955. On Cladophora kerkennae Hamel and Cl. echinus (Bias.) Kütz. Bull. Res. Counc. Israel 5(D):59–64. 5. Friedmann, I. 1956. Über die Blaualge Gardnerula corymbosa (Harvey) J. DeToni und ihr Vorkommen im Mittelmeer. Österr. Bot. Z. 103:336–341. 6. Friedmann, I., 1956. Beiträge zur Morphologie und Formwechsel der atmophytischen Bangioidee Phragmonema sordidum Zopf. Österr. Bot. Z. 103:613–633. 7. Drew, K. M., and Friedmann, I., 1957. Occurrence of motile gametes in Prasiola stipitata Suhr. Nature (London) 180:557–558. 8. Friedmann, I., 1959. Structure, life history and sex determination of Prasiola stipitata Suhr. Ann. Bot., N. S., 23:571–594. 9. Friedmann, I., 1960. Gametes, fertilization and zygote development in Prasiola stipitata Suhr. I. Light microscopy. Nova Hedwigia 1:333–344. 10. Manton, I., and Friedmann, I., 1960. Gametes, fertilization and zygote development in Prasiola stipitata Suhr. II. Electron microscopy. Nova Hedwigia 1:443–462. 11. Friedmann, I.,1961. Cinemicrography of spermatozoids and fertilization in Fucales. Bull. Res. Counc. Israel, Sect. D. 10:73–83. 12. Friedmann, I., 1961. Chroococcidiopsis kashaii sp. n. and the genus Chroococcidiopsis. (Studies on cave algae from Israel III.), Österr. bot. Z. 108:354–367. 13. Friedmann, I., 1962. The ecology of atmophytic nitrate-alga Chroococcidiopsis kashaii Friedmann. (Studies on cave algae from Israel IV.). Arch. Mikrobiol. 42:42–45. 1 14. Friedmann, I.,1962. Cell membrane fusion and the fertilization mechanism in plants and animals. Science 136: 711–712. 15. Friedmann, I., 1963. Ecological aspects of the occurrence of meiosis in Prasiola stipitata Suhr. Proc. IV. Int. Seaweed Symp. 186–190. 16. Friedmann, I., 1964. Progress in the biological exploration of caves a subterranean waters in Israel. Int. J. Speleol. 1:29–33. 17. Friedmann, I.,1964. Contributions to the knowledge of Cyanophanon mirabile Geitler. Brit. Phycol. Bull. 2:369–371. 18. Friedmann, I., and Ocampo-Paus, R., 1966. Bracteacoccus minor (Chodat) Petrova var. desertorum n. var., a remarkable new alga from the Negev. Nova Hedwigia 10:481–494. 19. Friedmann, I., and Ocampo-Paus, R., 1965. A new Chlorosarcinopsis from the Negev desert. J. Phycol. 1:185–191. 20. Friedmann, I.,1966. Tscharna Rayss. Rev. Algol. N. S. 8:79–81. 21. Ramon,E., and Friedmann, I., 1966. The gametophyte of Padina in the Mediterranean. Proc. V. Inter. Seaweed Symp. Pergamon Press, Oxford, 183–196. 22. Ocampo-Paus, R., and Friedmann, I., 1966. Radiosphaera negevensis sp. n., a new Chlorococcalean desert alga. Amer. J. Bot. 53:663–671. 23. Friedmann, I.,1966. Microscopy of algal chromatophores. Phycologia 6:37–44 24. Lipkin, Y., and Friedmann, I., 1967. Persistent juvenile stage of Caulerpa racemosa (Forskål) Agardh in the eastern Mediterranean. Pubbl. Staz. Zool. (Napoli) 35:243–249. 25. Friedmann, I., Lipkin, Y., and Ocampo-Paus, R., 1967. Desert algae of the Negev. Phycologia 6:185–196. 26. Friedmann, I., Colwin, A. L., and Colwin, L. H., 1968. Fine structural aspects of fertilization in Chlamydomonas reinhardii. J. Cell Sci. 3: 115–128 27. Friedmann, I., 1969. Geographic and environmental factors controlling life history and morphology in Prasiola stipitata Suhr. Österr. bot. Z. 116:203–225. 28. Clewell, A. F.,and Friedmann, E. I., 1969. Helicodictyon planctonicum (Ulotrichales) in Florida. Amer. Midl. Natur. 82:295. 2 29. Friedmann, E. I., 1971. Light and scanning electron microscopy of the endolithic desert algal habitat. Phycologia 10(4):411–428. 30. Friedmann, E. I., 1972. Ecology of lithophytic algal habitats in Middle Eastern and North American deserts. In L. E. Rodin (ed.): Eco-physiological foundation of ecosystems productivity in arid zone. Nauka, U.S.S.R. Academy of Sciences, Leningrad, pp. 182– 185. 31. Friedmann, E. I., Roth, W.C., Turner, J.B., and McEwen, R.S. 1972. Calcium oxalate crystals in the aragonite-producing green alga Penicillus and related genera. Science 177:891–893. 32. Friedmann, E. I., and Galun, M. 1974. Desert algae, lichens, and fungi. In G. W. Brown, Jr. (ed.): Desert Biology. Academic Press, New York, Vol. II., pp. 165–212. 33. Turner, J. B., and Friedmann, E. I. 1974. Fine structure of capitular filaments in the coenocytic green alga Penicillus. J. Phycol. 10:125–134. 34. Friedmann, E. I., and Ocampo, R. 1976. Endolithic blue-green algae in the Dry Valleys. Primary producers in the Antarctic desert ecosystem. Science 193:1247–1249. 35. Friedmann, E. I., and Roth, W. C. 1977. Development of the siphonous green alga Penicillus and the Espera state. Botan. J. Linn. Soc. (London) 74:189–214. 36. Friedmann, E. I. 1977. Microorganisms in Antarctic desert rocks from dry valleys and Dufek Massif. Antarct. J. U. S. 12:26–29. 37. Friedmann, E. I. 1978. Melting snow in the dry valleys is source of water for endolithic microorganisms. Antarct. J. U. S. 13:162–163. 38. Friedmann, E. I. 1979. The genus Geitleria (Cyanophyceae or Cyanobacteria): distribution of G. calcarea and G. floridana n. sp. Plant System. Evol. 130:169–178. 39. Friedmann, E. I., and Kibler, A. P. 1980. Nitrogen economy of endolithic microbial communities in hot and cold deserts. Microb. Ecol. 6:95–108. 40. Friedmann, E. I. 1980. Endolithic microbial life in hot and cold deserts. Origins of Life 10:233–245. 3 41. Roth, W. C., and Friedmann, E. I. 1980. Taxonomic significance of nucleus-microbody associations, segregated nucleoli and other nuclear features in siphonous green algae. J. Phycol. 16:449–464. 42. Friedmann, E. I., LaRock, P. A., and Brunson, J. O. 1980. Adenosine triphosphate (ATP), chlorophyll and organic nitrogen in endolithic microbial communities and adjacent soils in the dry valleys of southern Victoria Land. Antarct. J. U. S. 15:164–166. 43. Friedmann, E. I., Garty, J., and Kappen, L. 1980. Fertile stages of cryptoendolithic lichens in the dry valleys of southern Victoria Land. Antarct. J. U. S. 15:166–167. 45. Kappen, L., Friedmann, E. I., and Garty, J. 1981. Ecophysiology of lichens in the dry valleys of southern Victoria Land, I. Microclimate of the cryptoendolithic lichen habitat. Flora (Jena) 171:216–235. 46. Golubic, S., Friedmann, I., and Schneider, J. 1981. The lithobiontic ecological niche, with special reference to microorganisms. J. Sediment. Petrol. 51:475–478. 47. Roth, W. C., and Friedmann, E. I. 1981. Persistent macrosegregated nucleoli in the siphonous green algae Avrainvillea, Cladocephalus and Blastophysa and possible implications concerning ribosomal RNA synthesis, nuclear cycles and life histories. Phycologia 20:193–198. 48. Potts, M., and Friedmann, E. I. 1981. Effects of water stress on cryptoendolithic cyanobacteria from hot desert rocks. Arch. Microbiol. 130:267–271. 49. Friedmann, E. I. 1982. Cyanophycota. In S. P. Parker (ed.), Synopsis and Classification of Living Organisms. Vol. I, pp. 45–52. McGraw Hill, New York. 50. Friedmann, E. I. 1982. Prochlorophycota. In S. P. Parker (ed.), Synopsis and Classification of Living Organisms. Vol. I, pp. 53. McGraw Hill, New York. 51. Friedmann, E. I. 1982. Endolithic microorganisms in the Antarctic cold desert. Science 215:1045–1053. 52. Friedmann, E. I., Friedmann, R. O., and McKay, C. P. 1982. Adaptations of cryptoendolithic lichens in the Antarctic desert. In: Jouventin, P., Massé, L., and Tréhen, P. (eds.), Colloque sur les Ecosystèmes Subantarctiques. Comité National Français des Recherches Antarctiques, Paris, pp. 65–70. 53. Friedmann, E. I. 1982. Endolithic microorganisms in the dry valleys of Antarctica. Antarct. J. U.S. 16:174–175. 4 54. Friedmann, E. I., and Borowitzka, L.J. 1982. The Symposium on Taxonomic Concepts in Blue-green Algae: towards a compromise with the bacteriological code? Taxon 31:673– 683. 55. Kappen, L., and Friedmann, E. I. 1983. Ecophysiology of lichens in the dry valleys of Southern Victoria Land, Antarctica. II. CO2 gas exchange in cryptoendolithic lichens. Polar Biol. 1:227–232. 56. Vestal, J. R., and Friedmann, E. I. 1983. In situ carbon metabolism by the cryptoendolithic microbial community in the Antarctic cold desert. Antarct. J. U.S. 1982 Review 17:190–191. 57. Kappen, L., and Friedmann, I. 1983. Kryptoendolitische Flechten als Beispiel einer Anpassung an extrem trocken-kalte Klimabedingungen. Verh. Ges. f. Ökologie (Mainz) 10:517–519. 58. McKay, C. P., Weed, R., Tyler, D. A., Vestal, J. R., and Friedmann, E. I. 1984. Studies of cryptoendolithic microbial communities in the Antarctic cold desert. Antarct. J. U.S. 1983, Review 18:227–228. 59. Friedmann, E. I. and Friedmann, R. O. 1984. Endolithic microorganisms in extreme dry environments: analysis of a lithobiontic habitat. In: Klug, M. J., and Reddy, C. A. (eds.), Current Perspectives in Microbial Ecology. Proc. Third Internat. Symp. Microb. Ecol., Am. Soc. Microbiol., Washington, D.C., pp. 177–185. 60. Tschermak-Woess, E., and Friedmann, E. I. 1984. Hemichloris antarctica, gen. et sp. nov. (Chlorococcales, Chlorophyta), a cryptoendolithic alga from Antarctica. Phycologia 23:443–454. 61. Friedmann, E. I., and Friedmann, R. O. 1984. The Antarctic crptoendolithic ecosystem: relevance to exobiology. Origins of Life 14:771–776. 62. Friedmann, E. I. 1985. Antarctic cryptoendolithic microbial ecosystem research during the 1983–1984 austral summer. Antarctic J. U.S. 1984 Review 19:169. 63. McKay, C. P., and Friedmann, E. I. 1985. Continuous temperature measurements in the cryptoendolithic microbial habitat by satellite-relay data acquisition system. Antarct. J. U.S. 1984 Review 19:170–172. 5 64. Vestal, J. R., Federle, T. W., and Friedmann, E. I. 1985. The effects of light and temperature on Antarctic cryptoendolithic microbiota in vitro. Antarct. J. U.S. 1984 Review 19:173–174. 65. McKay, C. P., and Friedmann, E. I. 1985. The cryptoendolithic microbial environment in the Antarctic cold desert: temperature variations in nature. Polar Biol. 4:19–25. 66. Friedmann, E. I., and Ocampo-Friedmann, R. 1985. Blue-green algae in arid cryptoendolithic habitats. Arch. Hydrobiol. Suppl. 71(1/2):349–350. 67. McKay, C. P., Friedmann, E. I., and Ocampo-Friedmann, E. 1985. Radiocarbon dating of open systems with bomb effect. J.Geophysical Res. (B3):3836–3840. 68. Friedmann, E. I. 1986. The Antarctic cold desert and the search for traces of life on Mars. Adv. Space Res. 6:265–268. 69. Friedmann, E. I. 1987. Field studies of the Antarctic cryptoendolithic microbial ecosystems,1984–1985. Antarctic J. U.S. 1985 Review 19:178–179. 70. Friedmann, E. I., and McKay, C. P. 1987. A method for the continuous monitoring of snow: application to the cryptoendolithic microbial community of Antarctic desert. Antarctic J. U.S. 1985 Review 19:179–181. 71. Hirsch, P., Gallikowski, C. A., and Friedmann, E. I. 1987. Microorganisms in soil samples from Linnaeus Terrace, southern Victoria Land: preliminary observations. Antarctic J. U.S. 1985 Review 19:183–186. 72. Roth, W. C., and Friedmann, E. I. 1987. Ultrastructure of the siphonous green algae Avrainvillea and Cladocephalus. Phycologia 26:70–81. 73. Friedmann, E. I., and Weed, R. 1987. Microbial trace-fossil formation, biogenous and abiotic weathering in the Antarctic cold desert. Science 236:703–705. 74. Darling, R. B., Friedmann, E. I. and Broady, P. A. 1987. Heterococcus endolithicus sp. nov. (Xanthophyceae) and other terrestrial Heterococcus species from Antarctica: morphological changes during life history and response to temperature. J. Phycol. 23:598–607. 75. Friedmann, E. I., McKay, C. P. and Nienow, J. A. 1987. The cryptoendolithic microbial environment in the Ross Desert, Antarctica: satellite-transmitted continuous nanoclimate data, 1984 to 1986. Polar Biol. 7:273–287. 6 76. Palmer, R. J., Nienow, J. A., and Friedmann, E. I. 1987. Control of matric water potential by temperature differential. J. Microbiol. Methods 6:323–326. 77. Nienow, J. A., McKay, C. P., and Friedmann, E. I. 1988. The cryptoendolithic microbial environment in the Ross Desert of Antarctica: mathematical models of the thermal regime. Microb. Ecol. 16:253–270. 78. Nienow, J. A., McKay, C. P., and Friedmann, E. I. 1988. The cryptoendolithic microbial environment in the Ross Desert of Antarctica: light in the photosynthetically active region. Microb. Ecol. 16:271–289. 79. Friedmann, E. I., and Meyer, M. A. 1988. Activities of the Antarctic cryptoendolithic microbial ecosystem research group, 1985–1986. Antarct. J. U.S. 1986 Review 21:221– 222. 80. Friedmann, E. I. 1988. Microorganisms in the Antarctic desert: a model for possible ife on early Mars. In Wolfrum, R. (ed), Antarctic Challenge III. Duncker & Humblodt, Berlin, pp. 445–450. 81. Friedmann, E. I., and Meyer, M. A. 1988. Antarctic cryptoendolithic microbial ecosystem research, 1986–1987. Antarct. J. U.S. 1987 Review 22:240–241. 82. Meyer, M. A., Huang, G. H., Morris, G. J., and Friedmann, E. I. 1988. The effect of low temperatures on Antarctic endolithic green algae. Polarforschung 58:113–119. 83. Friedmann, E. I., Hua, M., and Ocampo-Friedmann, R. 1988. Cryptoendolithic lichen and cyanobacterial communities of the Ross Desert, Antarctica. Polarforschung 58:251–259. 84. Palmer, R. J., and Friedmann, E. I. 1988. Incorporation of inorganic carbon by Antarctic cryptoendolithic fungi. Polarforschung 58:189–191. 85. Ocampo-Friedmann, R., Meyer, M. A., Chen, M., and Friedmann, E. I. 1988. Temperature response of Antarctic cryptoendolithic photosynthetic microorganisms. Polarforschung 58:121–124. 86. Bonani,G., Friedmann, E. I., Ocampo-Friedmann, R., McKay, C. P., and Woelfli, W. 1988. Preliminary report on radiocarbon dating of cryptoendolithic microorganisms. Polarforschung 58:199–200. 87. Hua, M. S., Friedmann, E. I., Ocampo-Friedmann, R., and Campbell, S. B. 1989. Heteropolarity in unicellular cyanobacteria: structure and development of Cyanocystis violacea (Crouan) Kom. et Anagn. Plant System. Evol. 164:17–26. 7 88. Friedmann, E. I., and Koriem, A. M. 1989. Life on Mars: how it disappeared (if it was ever there). Adv. Space Res. 9(6):167–172. 89. Palmer, R. J., and Friedmann, E. I. 1990. Water relations and photosynthesis in the cryptoendolithic microbial habitat of hot and cold deserts. Microb. Ecol. 19:111–118. 90. Palmer, R. J., and Friedmann, E.,I. 1990. Water relations, thallus structure, and photosynthesis of Negev Desert lichens. New Phytol. 116:597–603. 91. McKay, C. P., Friedmann, E. I., Wharton, R. A., and Davis, W. L. 1992. History of water on Mars: a biological perspective. Adv.Space Res. 12(4):231–238. 92. Matsumoto, G. I., Friedmann, E. I., Watanuki, K., and Ocampo-Friedmann, R. 1992. Novel long-chain anteiso-alkanes and anteiso-alkanoic acids in Antarctic rocks colonized by living and fossil cryptoendolithic microorganisms. J. Chromatog. 598:267–276. 93. Friedmann, E. I., Kappen, L., Meyer, M. A., and Nienow, J. A. 1993. Long-term productivity in the cryptoendolithic microbial community of the Ross Desert, Antarctica. Microb. Ecol. 25:51–69. 94. Nienow, J. A., and Friedmann, E. I. 1993. Terrestrial lithophytic (rock) communities. In Friedmann, E. I.(ed.), Antarctic Microbiology, Wiley-Liss, New York, pp. 343–412. 95. Grilli-Caiola, M., Ocampo-Friedmann, R., and Friedmann, E. I. 1993. Cytology of longterm desiccation in the desert cyanobacterium Chroococcidiopsis (Chroococcales). Phycologia 32:315–322. 96. Friedmann, E. I., Hua, M., and Ocampo-Friedmann, R. 1993. Terraforming Mars: dissolution of carbonate rocks by cyanobacteria. J.Brit. Interplanet. Soc. 46:291–292. 97. Friedmann, E. I. 1993. Extreme environments and exobiology. Giorn. Bot. Ital. 127:369–376. 98. Friedmann, E. I. 1993. Extreme environments, limits of adaptation and extinction. In Guerrero, R., and Pedrós-Alió, C. (eds.), Trends in Microbial Ecology. Proc.6th Internat. Symp. Microb. Ecol. Span. Soc. Microbiol., Barcelona, pp. 9–12. 99. McKay, C. P., Nienow, J. A., Meyer, M. A., and Friedmann, E. I. 1993. Continuous nanoclimate data (1985-1988) from the Ross Desert (McMurdo Dry Valleys) cryptoendolithic microbial ecosystem. Antarct. Res. Ser. Vol. 61. Am. Geophys. Union, Washington, DC, pp. 201–207. 8 100. Ocampo-Friedmann, R., and Friedmann, E. I. 1993. Biologically active substances produced by Antarctic cryptoendolithic fungi. Antarct. J. U.S. 1993 Review 28(5):252– 254. 101. Friedmann, E. I. 1994. Permafrost as microbial habitat. In Gilichinsky, D.A. (ed.), Viable Microorganisms in Permafrost. Russ. Acad. Sci., Pushchino, Russia, pp. 21–26. 102. Friedmann, E. I., Ocampo-Friedmann, R., and Hua, M. 1994. Chroococcidiopsis, the most primitive living cyanobacterium? Orig. Life Evol. Biosphere 24:269–270. 103. Friedmann, E. I., Druk, A. Y., and McKay, C. P. 1994. Limits of life and microbial extinction in the Antarctic desert. Antarct. J. U.S. 29:176–179. 104. Friedmann, E. I., and Ocampo-Friedmann, R. 1995. A primitive cyanobacterium as pioneer microorganism for terraforming Mars. Adv. Space Res. 15(3):243–246. 105. Matsumoto, G. I.,Friedmann, E. I., and Gilichinsky, D. A. 1995. Geochemical characteristics of organic compounds in a permafrost sediment core sample from northeast Siberia, Russia. Proc. NIPR Symp. Antarct. Geosciences, Nat. Inst. Polar Res., 8:258–267. 106. Grilli-Caiola, M., Billi, D., and Friedmann, E. I. 1996. Effect of desiccation on envelopes of the cyanobacterium Chroococcidiopsis sp. (Chroococcales). Eur. J. Phycol. 31:97–105. 107. Friedmann, E. I. 1996. Lothar Geitler. In Garbary, D. J., and Wynne, M. J. (eds.), Prominent Phycologists of the 20th Century. Phycol. Soc. Amer., pp. 11–20. 108. Shi,T., Reeves, R. H, Gilichinky, D. A., and Friedmann, E. I. 1997. Characterization of viable bacteria from Siberian permafrost by 16S rDNA sequencing. Microb. Ecol. 33:169–179. 109. Wilson, G. S., Braddock, P., Foreman, S. L.,Friedmann, E. I., Rivkina, E. M., Chanton, J. P., Gilichinsky, A. D., Fyodorov- Davidov, D. G., Ostroumov, V. E., Sorokovikov, V. Wizewich, M. C. 1998. Coring for microbial records of Antarctic climate. Antarct. J. U.S., Rev. 1996 31(2):83–84). 110. McKay, C. P., Mellon, M. T., and Friedmann, E. I. 1998. Soil temperatures and stability of ice-cemented ground in the McMurdo Dry Valleys, Antarctica. Antarct. Sci. 10:31–38. 111. Friedmann, E. I., Wierzchos, J., and Ascaso, C. 1998. Chains of magnetite crystals in ALH84001: evidence of biological origin. Workshop on the Issue of Martian Meteorites, Abstract # 7018, Lunar and Planetary Institute, Houston TX, contribution No. 956. 9 112. Sun, H. J., and Friedmann, E. I. 1999. Growth on geological time scales in the Antarctic cryptoendolithic microbial community. Geomicrobiol. J. 16:193–202. 113. Billi, D., Friedmann, E. I., Hofer, K. G., Grilli-Caiola, M., and Ocampo- Friedmann, R. 2000. Ionizing-radiation resistance in the desiccation-tolerant cyanobacterium Chroococcidiopsis. Appl. Environm. Microbiol. 66:1489–1492. 114. Rivkina, E. M., Friedmann, E. I., McKay, C. P., and Gilichinsky, D. A. 2000. Metabolic activity of permafrost bacteria below the freezing point. Appl. Environm. Microbiol. 66:3230–3233. 115. Friedmann, E. I., Wierzchos, J., Ascaso, C., and Winklhofer, M. 2001. Chains of magnetite crystals in the meteorite ALH 84001: evidence of biogenous origin. Proc. Natl. Acad. Sci. US. 98:2176–2181. 116. Billi, D., Friedmann, E. I., Helm, R. F., and Potts, M. 2001. Gene transfer in the desiccation-tolerant cyanobacterium Chrooroccidiopsis sp. J. Bacteriol. 183:2298–2305. 117. Wilson, G. S., Friedmann, E. I., et al.(23 authors). 2002. The Mount Feather Diamicton of the Sirius Group: an accumulation of indicators of Neogene Antarctic glacial and climatic history. Palaeogeogr. Paleoclimat. Paleoecol. 182:117–131. 118. Nienow, J. A., and Friedmann, E.,I. 2002. Endolithic microorganisms in arid regions. In: Bitton, G., Encyclopedia of Environmental Microbiology, John Wiley & Sons, New York, Vol.2, pp.1100–1112. 119. Sun, H. J., DePriest, P. T., Gargas, A., Rossman, A. Y., and Friedmann, E. I. 2002. Pestalotiopsis maculans: a dominant parasymbiont in North American lichens. Symbiosis 33:215–226. 120. de la Torre, J. R., Goebel, B. M., Friedmann, E. I., and Pace, N. R. 2003. Microbial diversity of cryptoendolithic communities from the McMurdo Dry Valleys, Antarctica. Appl. Environm. Microbiol. 69:3858–3867. 121. McKay, C. P., Friedmann, E. I., Frankel, R. B.,and Bazylinski, D. A. 2003. Magnetotactic bacteria on Earth and on Mars. Astrobiology 3:263–270. 122. McKay, C. P., Friedmann, E. I., Gómez- Silva, B., Cáceres-Villanueva, L., Andersen, D. T., and Landheim, R. 2003. Temperature and moisture conditions for life in the extreme arid region of the Atacama desert: four years of observations including the El Niño of 1997–1998. Astrobiology 3:393–406. 10 123. Matsumoto, G. I., Nienow, J. A., Friedmann, E. I., Sekiya, E., and Ocampo–Friedmann, R. 2004. Biogeochemical features of lipids in endolithic microbial communities in the Ross Desert (McMurdo Dry Valleys), Antarctica. Cell. Mol. Biol. 50:591–604. 124. Cockell, C., Schuerger, A. C., Billi, D., Friedmann, E. I., and Printz, C. 2005. Survival and death of the extreme desiccation resistant cyanobacterium Chroococcidiopsis CCMEE 029 under simulated Martian UV flux. Astrobiology 3:127–140. 125. Friedmann, E. I., and Sun, H. J. 2005. Communities adjust their temperature optima by shifting producer-to-consumer ratio, shown in lichens as models I. Hypothesis. Microb. Ecol. 49:523–527. 126. Sun, H. J., and Friedmann, E. I. 2005. Communities adjust their temperature optima by shifting producer-to-consumer ratio, shown in lichens as models II. Experimental verification. Microb. Ecol. 49:528–535. 127. Selbmann, L., de Hoog, G. S., Mazzaiglia, A., Friedmann, E. I., and Onofri, S. 2005. Fungi at the end of life: cryptoendolithic black fungi from Antarctic deserts. Studies Mycol. 51:1–32. 128. Warren-Rhodes, K. A., Rhodes, K. L., Pointing, S. B., Ewing, S., Lacap, D. C., GómezSilva, B., Amundson, R., Friedmann, E. I., and McKay, C. P. In press. Hypolithic cyanobacteria, dry limit of photosynthesis and microbial ecology in the hyperarid Atacama Desert. Microb. Ecol. BOOKS Friedmann, E. I., and Thistle, A. B. (eds.). 1993. Antarctic Microbiology. Wiley-Liss, New York. 634 pp. Green, W. S., and Friedmann, E. I. (eds.). 1993. Physical and Biogeochemical Processes in Antarctic Lakes. Amer. Geophys. Union, Washington, DC. 216 pp. 11