VOLUME 11 ISSUE 2 APRIL 2012 VOLUME 11 ISSUE 2 APRIL 2012

ISSN: 1473-5504

INTERNATIONAL JOURNAL OF INTERNATIONAL JOURNAL OF ASTROBIOLOGY INTERNATIONAL JOURNAL OF CONTENTS ASTROBIOLOGY Research papers 71 Rotating wall vessel exposure alters protein secretion and global gene expression in Staphylococcus aureus journals.cambridge.org/ija Helena Rosado, Alex J. O’Neill, Katy L. Blake, Meik Walther, Paul F. Long, Jason Hinds & Peter W. Taylor

83 Insights into the nature of cometary organic matter from terrestrial analogues ASTROBIOLOGY Richard W. Court & Mark A. Sephton 93 Evidence for life in the isotopic analysis of surface sulphates in the Haughton impact structure, and potential application on Mars John Parnell, Adrian J. Boyce, Gordon R. Osinski, Matthew R.M. Izawa, Neil Banerjee, Roberta Flemming & Pascal Lee 103 A stochastic process approach of the drake equation parameters Nicolas Glade, Pascal Ballet & Olivier Bastien 109 An active nitrogen cycle on Mars suffi cient to support a subsurface biosphere C.S. Boxe, K.P. Hand, K.H. Nealson, Y.L. Yung & A. Saiz-Lopez

117 Detecting inactivated endospores in fl uorescence microscopy using April 2012 Issue 2 Volume 11 propidium monoazide Alexander Probst, Alexander Mahnert, Christina Weber, Klaus Haberer & Christine Moissl-Eichinger 125 Diverse microbial species survive high ammonia concentrations Laura C. Kelly, Charles S. Cockell & Stephen Summers 133 Synthetic biology in space: considering the broad societal and ethical implications Margaret S. Race, Jacob Moses, Christopher McKay & Kasthuri J. Venkateswaran

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Downloaded from https://www.cambridge.org/core. IP address: 170.106.33.42, on 27 Sep 2021 at 01:20:09, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1017/S1473550412000092 INTERNATIONAL JOURNAL OF ASTROBIOLOGY AIMS AND SCOPE International Journal of Astrobiology publishes original papers and review articles on Editor Astrobiology Science. News of interest to the astrobiology community and book reviews will Dr Rocco Mancinelli, Bay Area Environmental Research Institute, NASA, USA also feature. Contact one of the editors if you have questions regarding suitability of a subject Editorial Board area, news submission or book review. Dr John Brucato, Observatory Arcetri, Italy Professor Jan Jehlicka, Institute of Mineralogy and Professor Mark J Burchell, University of Kent at Geochemistry, Prague, Czech Republic Canterbury, UK Professor Barrie Jones, The Open University, UK The fi elds covered include: Dr Rolando Cardenas Ortiz, University Central de Las Villas, Dr Inge Ten Kate, Utrecht University, The Netherlands * Cosmic prebiotic chemistry Cuba Dr Helmut Lammer, Space Research Institute, Austria * Planetary evolution Professor Ed Cloutis, University of Winnipeg, Canada Dr Natuschka Lee, TU München, Germany Professor Charles Cockell, University of Edinburgh, UK Dr Zita Martins, Imperial College, London, UK * Search for planetary systems and habitable zones Dr Claire Cousins, University College London, UK Dr Chris McKay, NASA Ames Research Center, USA * Origins, evolution and distribution of life Professor H. G. M. Edwards, University of Bradford, UK Dr Simon Mitton, University of Cambridge, UK * Extremophile biology and experimental simulation of extraterrestrial environments Professor Pascale Ehrenfreund, George Washington Dr Kenneth Nealson, University of Southern California, USA University, USA Dr Elke Pilat-Lohinger, University of Vienna, Austria * Life detection in our solar system and beyond Professor Alex Ellery, Carleton University, Canada Dr Lynn Rothschild, NASA Ames Research Center, USA * Technologies and space missions for astrobiology, and planetary protection Professor Bernard Foing, ESA-ESTEC, The Netherlands Dr Christian Schröder, University of Tübingen, Germany * Human expansion, ecosystems beyond Earth and terraforming Professor Jesus Martinez Frias, Centro de Astrobiologia, Professor Mark A. Sephton, Imperial College, London, UK Madrid, Spain Dr Henry Sun, Arizona State University, USA * Ecosystems beyond Earth Dr Beda Anton Hofmann, Bern Natural History Museum, Professor Peter Vandenabeele, Ghent University, * Intelligent life and societal aspects of astrobiology Switzerland Belgium Professor Nils Holm, Stockholm University, Sweden Professor Lyle Whyte, McGill University Dr Gerda Horneck, DLR FF-ME, Germany There are no page charges or length restrictions. All articles are submitted to peer-review. Dr Jonathan A. Horner, University of New South Wales, Australia SUBMISSION OF MANUSCRIPTS Founding Editor Contributions for consideration for publication should be submitted via our online website at Dr David Wynn-Williams (1946–2002) http://mc.manuscriptcentral.com/submit_ija SUBSCRIPTIONS Drive, West Nyack, New York 10994–2133. Claims for missing issues International Journal of Astrobiology (ISSN 1473-5504), electronic should be made immediately on receipt of the subsequent issue. 1475-3006 is published four times a year (one volume per annum) During the submission process authors will be asked to select an appropriate Editor for their ADVERTISING in January, April, July, and October. The 2012 subscription price (ex- Apply to the Publisher Cambridge University Press (address above). paper. Areas of interest for the Editors are as follows: cluding VAT) of a volume, which includes print and electronic access, Address enquiries to the Advertising Promoter. is £272 (US $504 in USA, Canada and Mexico). The electronic-only price available to institutional subscribers is £230 (US $412 in USA, COPYRIGHT AND PERMISSIONS Dr. Simon Mitton – General Papers, Philosophy, Astronomy Canada and Mexico). 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Downloaded from https://www.cambridge.org/core. IP address: 170.106.33.42, on 27 Sep 2021 at 01:20:09, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1017/S1473550412000092