Correlations Between Life-Detection Techniques and Implications for Sampling Site Selection in Planetary Analog Missions Article Swipe
YOU?
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· 2017
· Open Access
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· DOI: https://doi.org/10.1089/ast.2016.1575
We conducted an analog sampling expedition under simulated mission constraints to areas dominated by basaltic tephra of the Eldfell and Fimmvörðuháls lava fields (Iceland). Sites were selected to be "homogeneous" at a coarse remote sensing resolution (10-100 m) in apparent color, morphology, moisture, and grain size, with best-effort realism in numbers of locations and replicates. Three different biomarker assays (counting of nucleic-acid-stained cells via fluorescent microscopy, a luciferin/luciferase assay for adenosine triphosphate, and quantitative polymerase chain reaction (qPCR) to detect DNA associated with bacteria, archaea, and fungi) were characterized at four nested spatial scales (1 m, 10 m, 100 m, and >1 km) by using five common metrics for sample site representativeness (sample mean variance, group F tests, pairwise t tests, and the distribution-free rank sum H and u tests). Correlations between all assays were characterized with Spearman's rank test. The bioluminescence assay showed the most variance across the sites, followed by qPCR for bacterial and archaeal DNA; these results could not be considered representative at the finest resolution tested (1 m). Cell concentration and fungal DNA also had significant local variation, but they were homogeneous over scales of >1 km. These results show that the selection of life detection assays and the number, distribution, and location of sampling sites in a low biomass environment with limited a priori characterization can yield both contrasting and complementary results, and that their interdependence must be given due consideration to maximize science return in future biomarker sampling expeditions. Key Words: Astrobiology-Biodiversity-Microbiology-Iceland-Planetary exploration-Mars mission simulation-Biomarker. Astrobiology 17, 1009-1021.
Related Topics
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1089/ast.2016.1575
- https://www.liebertpub.com/doi/pdf/10.1089/ast.2016.1575
- OA Status
- bronze
- Cited By
- 20
- References
- 37
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2766969911
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2766969911Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1089/ast.2016.1575Digital Object Identifier
- Title
-
Correlations Between Life-Detection Techniques and Implications for Sampling Site Selection in Planetary Analog MissionsWork title
- Type
-
articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2017Year of publication
- Publication date
-
2017-10-01Full publication date if available
- Authors
-
Diana Gentry, E. S. Amador, Morgan L. Cable, N. Chaudry, Thomas M. Cullen, Malene B. Jacobsen, Gayathri Murukesan, Edward W. Schwieterman, Adam Stevens, Amanda M. Stockton, George Tan, Chang Yin, David C. Cullen, W. D. GeppertList of authors in order
- Landing page
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https://doi.org/10.1089/ast.2016.1575Publisher landing page
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https://www.liebertpub.com/doi/pdf/10.1089/ast.2016.1575Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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bronzeOpen access status per OpenAlex
- OA URL
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https://www.liebertpub.com/doi/pdf/10.1089/ast.2016.1575Direct OA link when available
- Concepts
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Sampling (signal processing), Biological system, Biology, Environmental science, Computational biology, Computer science, Filter (signal processing), Computer visionTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
20Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 1, 2023: 2, 2022: 5, 2021: 3, 2020: 6Per-year citation counts (last 5 years)
- References (count)
-
37Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.DNA; | 157 |
| abstract_inverted_index.also | 177 |
| abstract_inverted_index.both | 222 |
| abstract_inverted_index.five | 105 |
| abstract_inverted_index.four | 90 |
| abstract_inverted_index.lava | 21 |
| abstract_inverted_index.life | 198 |
| abstract_inverted_index.mean | 113 |
| abstract_inverted_index.most | 145 |
| abstract_inverted_index.must | 231 |
| abstract_inverted_index.over | 186 |
| abstract_inverted_index.qPCR | 152 |
| abstract_inverted_index.rank | 124, 138 |
| abstract_inverted_index.show | 193 |
| abstract_inverted_index.site | 110 |
| abstract_inverted_index.that | 194, 228 |
| abstract_inverted_index.they | 183 |
| abstract_inverted_index.were | 25, 87, 134, 184 |
| abstract_inverted_index.with | 46, 82, 136, 215 |
| abstract_inverted_index.Sites | 24 |
| abstract_inverted_index.These | 191 |
| abstract_inverted_index.Three | 55 |
| abstract_inverted_index.areas | 11 |
| abstract_inverted_index.assay | 68, 142 |
| abstract_inverted_index.cells | 62 |
| abstract_inverted_index.chain | 75 |
| abstract_inverted_index.could | 160 |
| abstract_inverted_index.given | 233 |
| abstract_inverted_index.grain | 44 |
| abstract_inverted_index.group | 115 |
| abstract_inverted_index.local | 180 |
| abstract_inverted_index.sites | 209 |
| abstract_inverted_index.size, | 45 |
| abstract_inverted_index.test. | 139 |
| abstract_inverted_index.their | 229 |
| abstract_inverted_index.these | 158 |
| abstract_inverted_index.under | 6 |
| abstract_inverted_index.using | 104 |
| abstract_inverted_index.yield | 221 |
| abstract_inverted_index.(qPCR) | 77 |
| abstract_inverted_index.Words: | 246 |
| abstract_inverted_index.across | 147 |
| abstract_inverted_index.analog | 3 |
| abstract_inverted_index.assays | 58, 133, 200 |
| abstract_inverted_index.coarse | 32 |
| abstract_inverted_index.color, | 40 |
| abstract_inverted_index.common | 106 |
| abstract_inverted_index.detect | 79 |
| abstract_inverted_index.fields | 22 |
| abstract_inverted_index.finest | 167 |
| abstract_inverted_index.fungal | 175 |
| abstract_inverted_index.fungi) | 86 |
| abstract_inverted_index.future | 241 |
| abstract_inverted_index.nested | 91 |
| abstract_inverted_index.priori | 218 |
| abstract_inverted_index.remote | 33 |
| abstract_inverted_index.return | 239 |
| abstract_inverted_index.sample | 109 |
| abstract_inverted_index.scales | 93, 187 |
| abstract_inverted_index.showed | 143 |
| abstract_inverted_index.sites, | 149 |
| abstract_inverted_index.tephra | 15 |
| abstract_inverted_index.tested | 169 |
| abstract_inverted_index.tests, | 117, 120 |
| abstract_inverted_index.(10-100 | 36 |
| abstract_inverted_index.(sample | 112 |
| abstract_inverted_index.Eldfell | 18 |
| abstract_inverted_index.between | 131 |
| abstract_inverted_index.biomass | 213 |
| abstract_inverted_index.limited | 216 |
| abstract_inverted_index.metrics | 107 |
| abstract_inverted_index.mission | 8, 249 |
| abstract_inverted_index.number, | 203 |
| abstract_inverted_index.numbers | 50 |
| abstract_inverted_index.realism | 48 |
| abstract_inverted_index.results | 159, 192 |
| abstract_inverted_index.science | 238 |
| abstract_inverted_index.sensing | 34 |
| abstract_inverted_index.spatial | 92 |
| abstract_inverted_index.tests). | 129 |
| abstract_inverted_index.apparent | 39 |
| abstract_inverted_index.archaea, | 84 |
| abstract_inverted_index.archaeal | 156 |
| abstract_inverted_index.basaltic | 14 |
| abstract_inverted_index.followed | 150 |
| abstract_inverted_index.location | 206 |
| abstract_inverted_index.maximize | 237 |
| abstract_inverted_index.pairwise | 118 |
| abstract_inverted_index.reaction | 76 |
| abstract_inverted_index.results, | 226 |
| abstract_inverted_index.sampling | 4, 208, 243 |
| abstract_inverted_index.selected | 26 |
| abstract_inverted_index.variance | 146 |
| abstract_inverted_index.(counting | 59 |
| abstract_inverted_index.adenosine | 70 |
| abstract_inverted_index.bacteria, | 83 |
| abstract_inverted_index.bacterial | 154 |
| abstract_inverted_index.biomarker | 57, 242 |
| abstract_inverted_index.conducted | 1 |
| abstract_inverted_index.detection | 199 |
| abstract_inverted_index.different | 56 |
| abstract_inverted_index.dominated | 12 |
| abstract_inverted_index.locations | 52 |
| abstract_inverted_index.moisture, | 42 |
| abstract_inverted_index.selection | 196 |
| abstract_inverted_index.simulated | 7 |
| abstract_inverted_index.variance, | 114 |
| abstract_inverted_index.(Iceland). | 23 |
| abstract_inverted_index.1009-1021. | 253 |
| abstract_inverted_index.Spearman's | 137 |
| abstract_inverted_index.associated | 81 |
| abstract_inverted_index.considered | 163 |
| abstract_inverted_index.expedition | 5 |
| abstract_inverted_index.polymerase | 74 |
| abstract_inverted_index.resolution | 35, 168 |
| abstract_inverted_index.variation, | 181 |
| abstract_inverted_index.best-effort | 47 |
| abstract_inverted_index.constraints | 9 |
| abstract_inverted_index.contrasting | 223 |
| abstract_inverted_index.environment | 214 |
| abstract_inverted_index.fluorescent | 64 |
| abstract_inverted_index.homogeneous | 185 |
| abstract_inverted_index.microscopy, | 65 |
| abstract_inverted_index.morphology, | 41 |
| abstract_inverted_index.replicates. | 54 |
| abstract_inverted_index.significant | 179 |
| abstract_inverted_index.Astrobiology | 251 |
| abstract_inverted_index.Correlations | 130 |
| abstract_inverted_index.expeditions. | 244 |
| abstract_inverted_index.quantitative | 73 |
| abstract_inverted_index."homogeneous" | 29 |
| abstract_inverted_index.characterized | 88, 135 |
| abstract_inverted_index.complementary | 225 |
| abstract_inverted_index.concentration | 173 |
| abstract_inverted_index.consideration | 235 |
| abstract_inverted_index.distribution, | 204 |
| abstract_inverted_index.triphosphate, | 71 |
| abstract_inverted_index.representative | 164 |
| abstract_inverted_index.bioluminescence | 141 |
| abstract_inverted_index.interdependence | 230 |
| abstract_inverted_index.Fimmvörðuháls | 20 |
| abstract_inverted_index.characterization | 219 |
| abstract_inverted_index.exploration-Mars | 248 |
| abstract_inverted_index.distribution-free | 123 |
| abstract_inverted_index.representativeness | 111 |
| abstract_inverted_index.luciferin/luciferase | 67 |
| abstract_inverted_index.nucleic-acid-stained | 61 |
| abstract_inverted_index.simulation-Biomarker. | 250 |
| abstract_inverted_index.Astrobiology-Biodiversity-Microbiology-Iceland-Planetary | 247 |
| cited_by_percentile_year.max | 98 |
| cited_by_percentile_year.min | 91 |
| corresponding_author_ids | https://openalex.org/A5000405161 |
| countries_distinct_count | 4 |
| institutions_distinct_count | 14 |
| corresponding_institution_ids | https://openalex.org/I1280536761 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/15 |
| sustainable_development_goals[0].score | 0.4099999964237213 |
| sustainable_development_goals[0].display_name | Life in Land |
| citation_normalized_percentile.value | 0.85412429 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |