Where Do We Go from Here? Astrobiology Editorial Board Opinions

Allwood A.C. , Walter M.R. , Kamber B.S. , and Burch I.W. (2006) Stromatolite reef from the Early Archaean era of Australia. Nature, 441:714–719.

Bada J.L. (2004) How life began on Earth: a status report. Earth Planet Sci Lett, 226:1–15.

Benner S.A. , Kim H.-Y. , Kim M.-J , and Ricardo A. (2010) Planetary organic chemistry and the origins of biomolecules. Cold Spring Harb Perspect Biol, 2:a003467.

Bertrand M. and Brack A. (2000) Conformational transition of acidic peptides exposed to minerals in suspension. Chemistry, 6:3452–3455.

Brack A. (2001) Water, the spring of life. In Astrobiology: The Quest for the Conditions of Life, edited by Horneck G. and Baumstark-Khan C. , Springer, Berlin, pp 79–88.

Brack A. (2007a) Astrobiology: from the origin of life on Earth to life in the Universe. In Complete Course in Astrobiology, edited by Horneck G. and Rettberg P. , Wiley-VCH, Weinheim, Germany, pp 1–22.

Brack A. (2007b) From interstellar amino acids to prebiotic catalytic peptides. Chem Biodivers, 4:665–679.

Brack A. (2010) Searching for a second genesis. In Astrobiology: Emergence, Search and Detection of Life, edited by Basiuk V.A. , American Scientific Publishers, Los Angeles, pp 1–21.

Brack A. (2011) From the love of peptides to the search for life on Mars, an astrobiology itinerary. Astrobiology, 11:275–279.

Brack A. , Horneck G. , Cockell C. , Bérces A. , Belisheva N.K. , Eiroa C. , Henning T. , Herbst T. , Kaltenegger L. , Léger A. , Liseau R. , Lammer H. , Selsis F. , Beichman C. , Danchi W. , Fridlund M. , Lunine J. , Paresce F. , Penny A. , Quirrenbach A. , Röttgering H. , Schneider J. , Stam D. , Tinetti G. , and White G.J. (2010) Origin and evolution of life on terrestrial planets. Astrobiology, 10:69–76.

Chyba C.F. and Phillips C.B. (2007) Europa. In Planets and Life, edited by Sullivan W.T. III and Baross J.A. , Cambridge University Press, Cambridge, UK, pp 388–423.

Cockell C.S. and Raven J.A. (2004) Zones of photosynthetic potential on Mars and the early Earth. Icarus, 169:300–310.

Heldmann J.L. , Schurmeier L. , McKay C. , Davila A. , Stoker C. , Marinova M. , and Wilhelm M.B. (2014) Midlatitude ice-rich ground on Mars as a target in the search for evidence of life and for in situ resource utilization on human missions. Astrobiology, 14:102–118.

Hofmann H.J. , Grey K. , Hickman A.H. , and Thorpe R.I. (1999) Origin of 3.45 Ga coniform stromatolites in Warrawoona Group, Western Australia. Geol Soc Am Bull, 111:1256–1262.

Lineweaver C.H. and Chopra A. (2012) The habitability of our earth and other earths: astrophysical, geochemical, geophysical, and biological limits on planet habitability. Annu Rev Earth Planet Sci, 40:597–623.

Mancinelli R.L. , White M.R. , and Rothschild L.J. (1998) Biopan-Survival I: exposure of the osmophiles Synechococcus and Haloarcula to space environment. Adv Space Res, 22:327–334.

Martin W.F. (2012) Hydrogen, metals, bifurcating electrons, and proton gradients: the early evolution of biological energy conservation. FEBS Lett, 586:485–493.

Matrajt G. , Pizzarello S. , Taylor S. , and Brownlee D. (2004) Concentration and variability of the AIB amino acid in polar micrometeorites: implications for the exogenous delivery of amino acids to the primitive Earth. Meteorit Planet Sci, 39:1849–1858.

Maurette M. and Brack A. (2006) Cometary petroleum in Hadean time?. Meteorit Planet Sci, 41:5247.

Pross A. and Pascal R. (2013) The origin of life: what we know, what we can know and what we will never know. Open Biol, 3, doi:10.1098/rsob.120190.

Raulin F. (2009) Planetary astrobiology—the outer Solar System. In Prebiotic Evolution and Astrobiology, edited by Wong J. and Lazcano A. , Landes Bioscience, Austin, TX, pp 18–28.

Russell J.M. , Hall. A.J. , and Martin W. (2010) Serpentinization and its contribution to the energy for the emergence of life. Geobiology, 8:355–371.

Shapiro R. (2006) Small molecule interactions were central to the origin of life. Q Rev Biol, 81:105–126.

Sotin C. and Prieur D. (2007) Jupiter's moon Europa: geology and habitability. In Complete Course in Astrobiology, edited by Horneck G. and Rettberg P. , Wiley-VCH, Weinheim, Germany, pp 253–271.

Tice M. and Lowe D.R. (2004) Photosynthetic microbial mats in the 3,416-Myr-old ocean. Nature, 431:549–552.

Wächtershäuser G. (2007) On the chemistry and evolution of the pioneer organism. Chem Biodivers, 4:584–602.

Walsh M.M. (1992) Microfossils and possible microfossils from the Early Archean Onverwacht Group, Barberton Mountain Land, South Africa. Precambrian Res, 54:271–293.

Westall F. , de Ronde C.E. , Southam G. , Grassineau N. , Colas M. , Cockell C. , and Lammer H. (2006) Implications of a 3.472–3.333 Gyr-old subaerial microbial mat from the Barberton greenstone belt, South Africa for the UV environmental conditions on the early Earth. Philos Trans R Soc Lond B Biol Sci, 361:1857–1875.

Westall F. , Cavalazzi B. , Lemelle L. , Marrocchi Y. , Rouzaud J.N. , Simionovici A. , Salomé M. , Mostefaoui S. , Andreazza C. , Foucher F. , Toporski J. , Jauss A. , Thiel V. , Southam G. , MacLean L. , Wirick S. , Hofmann A. , Meibom A. , Robert F. , and Défarge C. (2011) Implications of in situ calcification for photosynthesis in a ∼3.3 Ga-old microbial biofilm from the Barberton greenstone belt, South Africa. Earth Planet Sci Lett, 310:468–479.

Wu D. , Wu M. , Halpern A. , Rusch D.B. , Yooseph S. , Frazier M. , Venter J.C. , and Eisen J.A. (2011) Stalking the fourth domain in metagenomic data: searching for, discovering, and interpreting novel, deep branches in marker gene phylogenetic trees. PLoS One, 6, doi:10.1371/journal.pone.0018011.

Yang Y. , Itahashi S. , Yokobori S.-I. , and Yamagishi A. (2008) UV-resistant bacteria isolated from upper troposphere and lower stratosphere. Biol Sci Space, 22:18–25.