Zobrazeno 1 - 10
of 235
pro vyhledávání: '"Stewart-Johnson A"'
Dark microbiome and extremely low organics in Atacama fossil delta unveil Mars life detection limits
Autor:
Armando Azua-Bustos, Alberto G. Fairén, Carlos González-Silva, Olga Prieto-Ballesteros, Daniel Carrizo, Laura Sánchez-García, Victor Parro, Miguel Ángel Fernández-Martínez, Cristina Escudero, Victoria Muñoz-Iglesias, Maite Fernández-Sampedro, Antonio Molina, Miriam García Villadangos, Mercedes Moreno-Paz, Jacek Wierzchos, Carmen Ascaso, Teresa Fornaro, John Robert Brucato, Giovanni Poggiali, Jose Antonio Manrique, Marco Veneranda, Guillermo López-Reyes, Aurelio Sanz-Arranz, Fernando Rull, Ann M. Ollila, Roger C. Wiens, Adriana Reyes-Newell, Samuel M. Clegg, Maëva Millan, Sarah Stewart Johnson, Ophélie McIntosh, Cyril Szopa, Caroline Freissinet, Yasuhito Sekine, Keisuke Fukushi, Koki Morida, Kosuke Inoue, Hiroshi Sakuma, Elizabeth Rampe
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-14 (2023)
Unique microorganisms of a fossil river delta in the Atacama Desert unveil the current limits of life detection on Mars.
Externí odkaz:
https://doaj.org/article/d8adfcfd4b3a42e28f372d250a3bbaaf
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract Lake Untersee located in Eastern Antarctica, is a perennially ice-covered lake. At the bottom of its southern basin lies 20 m of anoxic, methane rich, stratified water, making it a good analog for Enceladus, a moon of Saturn. Here we present
Externí odkaz:
https://doaj.org/article/adc743a9bf194c49ae60c040ac6033d2
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Acoustic surveys are the standard approach for evaluating many fish stocks around the world. The analysis of such survey data requires the accurate echo-classification of target species. This classification is often challenging as many organisms exhi
Externí odkaz:
https://doaj.org/article/b040f3d8f1184e65aa44ea2570d58455
Autor:
Luoth Chou, Paul Mahaffy, Melissa Trainer, Jennifer Eigenbrode, Ricardo Arevalo, William Brinckerhoff, Stephanie Getty, Natalie Grefenstette, Victoria Da Poian, G. Matthew Fricke, Christopher P. Kempes, Jeffrey Marlow, Barbara Sherwood Lollar, Heather Graham, Sarah Stewart Johnson
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 8 (2021)
For the past fifty years of space exploration, mass spectrometry has provided unique chemical and physical insights on the characteristics of other planetary bodies in the Solar System. A variety of mass spectrometer types, including magnetic sector,
Externí odkaz:
https://doaj.org/article/113328e49d704efc8930b32ce1a3d3e8
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-1 (2022)
Externí odkaz:
https://doaj.org/article/81b095e1d5714cb8b0a67d3dd39db94e
Autor:
Joseph R. Michalski, Timothy A. Goudge, Sean A. Crowe, Javier Cuadros, John F. Mustard, Sarah Stewart Johnson
Publikováno v:
Nature Astronomy. 6:1133-1141
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::854c1027f143b8afff62c919a92db021
https://doi.org/10.1038/s41550-022-01743-7
https://doi.org/10.1038/s41550-022-01743-7
Autor:
Hillary H. Smith, Andrew S. Hyde, Danielle N. Simkus, Eric Libby, Sarah E. Maurer, Heather V. Graham, Christopher P. Kempes, Barbara Sherwood Lollar, Luoth Chou, Andrew D. Ellington, G. Matthew Fricke, Peter R. Girguis, Natalie M. Grefenstette, Chad I. Pozarycki, Christopher H. House, Sarah Stewart Johnson
Publikováno v:
Life, Vol 11, Iss 6, p 498 (2021)
In the search for life beyond Earth, distinguishing the living from the non-living is paramount. However, this distinction is often elusive, as the origin of life is likely a stepwise evolutionary process, not a singular event. Regardless of the favo
Externí odkaz:
https://doaj.org/article/4c5bec21f06644ce81ea1d12fe8043d1
Autor:
Elena Zaikova, David S. Goerlitz, Scott W. Tighe, Nicole Y. Wagner, Yu Bai, Brenda L. Hall, Julie G. Bevilacqua, Margaret M. Weng, Maya D. Samuels-Fair, Sarah Stewart Johnson
Publikováno v:
Frontiers in Ecology and Evolution, Vol 7 (2019)
Buried upslope from the modern lakes in the McMurdo Dry Valleys of Antarctica are relict lake deposits embedded in valley walls. Within these relict deposits, ancient microbial mats, or paleomats, have been preserved under extremely arid and cold con
Externí odkaz:
https://doaj.org/article/491783cfc6c7440b903a5877887ea1f7
Publikováno v:
Infection Ecology & Epidemiology, Vol 4, Iss 0, Pp 1-10 (2014)
Background: Methicillin-resistant Staphylococcus aureus (MRSA) has emerged recently worldwide in production animals, particularly pigs and veal calves, which act as reservoirs for MRSA strains for human infection. The study determined the prevalence
Externí odkaz:
https://doaj.org/article/34437fd9505e4fd3b6689bc9a60dd48f
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