Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars
Bulk paleosol samples collected from a Middle to Early Miocene moraine in the New Mountain area of the Dry Valleys, Antarctica, yielded Coleoptera exoskeletons and occasional endoskeletons showing considerable diagenetic effects along with several species of bacteria, all lodged in a dry-frozen but...
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2012
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Online Access: | https://pure.qub.ac.uk/en/publications/73e8a2fa-48a2-4d97-a4e9-7c5b99ff4376 https://doi.org/10.1016/j.pss.2011.11.008 |
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ftqueensubelpubl:oai:pure.qub.ac.uk/portal:publications/73e8a2fa-48a2-4d97-a4e9-7c5b99ff4376 2024-05-19T07:31:20+00:00 Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars Mahaney, William C. Hart, Kris M. O'Reilly, Shane S. Allen, Christopher C. R. Dohm, James M. Hancock, Ronald G. V. Kelleher, Brian P. Milner, Michael W. 2012-01 https://pure.qub.ac.uk/en/publications/73e8a2fa-48a2-4d97-a4e9-7c5b99ff4376 https://doi.org/10.1016/j.pss.2011.11.008 eng eng https://pure.qub.ac.uk/en/publications/73e8a2fa-48a2-4d97-a4e9-7c5b99ff4376 info:eu-repo/semantics/restrictedAccess Mahaney , W C , Hart , K M , O'Reilly , S S , Allen , C C R , Dohm , J M , Hancock , R G V , Kelleher , B P & Milner , M W 2012 , ' Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars ' , Planetary and Space Science , vol. 60 , no. 1 , pp. 386-398 . https://doi.org/10.1016/j.pss.2011.11.008 Paleosols in the Dry Valleys Antarctica and on Mars SEM analysis of Coleoptera in Dry Valley paleosols Bacteriology of Antarctic paleosols GRADIENT GEL-ELECTROPHORESIS 16S RIBOSOMAL-RNA EXTRACTABLE FE CONTINENTAL ANTARCTICA BACTERIAL COMMUNITY DEGRADING BACTERIA DNA EXTRACTION AEOLIAN BIOME SP NOV SOILS /dk/atira/pure/subjectarea/asjc/1900/1912 name=Space and Planetary Science /dk/atira/pure/subjectarea/asjc/3100/3103 name=Astronomy and Astrophysics /dk/atira/pure/sustainabledevelopmentgoals/life_on_land name=SDG 15 - Life on Land article 2012 ftqueensubelpubl https://doi.org/10.1016/j.pss.2011.11.008 2024-05-02T00:15:14Z Bulk paleosol samples collected from a Middle to Early Miocene moraine in the New Mountain area of the Dry Valleys, Antarctica, yielded Coleoptera exoskeletons and occasional endoskeletons showing considerable diagenetic effects along with several species of bacteria, all lodged in a dry-frozen but salt-rich horizon at shallow depth to the land surface. The till is at the older end of a chronologic sequence of glacial deposits, thought to have been deposited before the transition from wet-based to cold-based ice (similar to 15 Ma), and hence, entirely weathered in contact with the subaerial atmosphere. It is possible, though not absolutely verifiable, that the skeletons date from this early stage of emplacement having undergone modifications whenever light snowmelt occurred or salt concentrations lowered the freezing temperature to maintain water as liquid. Correlation of the Coleoptera species with cultured bacteria in the sample and the likelihood of co-habitation with Beauveria bassiani found in two adjacent, although younger paleosols, leads to new questions about the antiquity of the Coleoptera and the source of N and glucose from chitinase derived from the insects. The skeletons in the 831 section may date close to the oldest preserved chitin (Oligocene) yet found on Earth. While harsh Martian conditions make it seemingly intolerable for complex, multicellular organisms such as insects to exist in the near-surface and subaerially, life within similar cold, dry paleosol microenvironments (Cryosols) of Antarctica point to life potential for the Red Planet, especially when considering the relatively diverse microbe (bacteria and fungi) population. (C) 2011 Elsevier Ltd. All rights reserved. Article in Journal/Newspaper Antarc* Antarctic Antarctica Queen's University Belfast Research Portal Planetary and Space Science 60 1 386 398 |
institution |
Open Polar |
collection |
Queen's University Belfast Research Portal |
op_collection_id |
ftqueensubelpubl |
language |
English |
topic |
Paleosols in the Dry Valleys Antarctica and on Mars SEM analysis of Coleoptera in Dry Valley paleosols Bacteriology of Antarctic paleosols GRADIENT GEL-ELECTROPHORESIS 16S RIBOSOMAL-RNA EXTRACTABLE FE CONTINENTAL ANTARCTICA BACTERIAL COMMUNITY DEGRADING BACTERIA DNA EXTRACTION AEOLIAN BIOME SP NOV SOILS /dk/atira/pure/subjectarea/asjc/1900/1912 name=Space and Planetary Science /dk/atira/pure/subjectarea/asjc/3100/3103 name=Astronomy and Astrophysics /dk/atira/pure/sustainabledevelopmentgoals/life_on_land name=SDG 15 - Life on Land |
spellingShingle |
Paleosols in the Dry Valleys Antarctica and on Mars SEM analysis of Coleoptera in Dry Valley paleosols Bacteriology of Antarctic paleosols GRADIENT GEL-ELECTROPHORESIS 16S RIBOSOMAL-RNA EXTRACTABLE FE CONTINENTAL ANTARCTICA BACTERIAL COMMUNITY DEGRADING BACTERIA DNA EXTRACTION AEOLIAN BIOME SP NOV SOILS /dk/atira/pure/subjectarea/asjc/1900/1912 name=Space and Planetary Science /dk/atira/pure/subjectarea/asjc/3100/3103 name=Astronomy and Astrophysics /dk/atira/pure/sustainabledevelopmentgoals/life_on_land name=SDG 15 - Life on Land Mahaney, William C. Hart, Kris M. O'Reilly, Shane S. Allen, Christopher C. R. Dohm, James M. Hancock, Ronald G. V. Kelleher, Brian P. Milner, Michael W. Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars |
topic_facet |
Paleosols in the Dry Valleys Antarctica and on Mars SEM analysis of Coleoptera in Dry Valley paleosols Bacteriology of Antarctic paleosols GRADIENT GEL-ELECTROPHORESIS 16S RIBOSOMAL-RNA EXTRACTABLE FE CONTINENTAL ANTARCTICA BACTERIAL COMMUNITY DEGRADING BACTERIA DNA EXTRACTION AEOLIAN BIOME SP NOV SOILS /dk/atira/pure/subjectarea/asjc/1900/1912 name=Space and Planetary Science /dk/atira/pure/subjectarea/asjc/3100/3103 name=Astronomy and Astrophysics /dk/atira/pure/sustainabledevelopmentgoals/life_on_land name=SDG 15 - Life on Land |
description |
Bulk paleosol samples collected from a Middle to Early Miocene moraine in the New Mountain area of the Dry Valleys, Antarctica, yielded Coleoptera exoskeletons and occasional endoskeletons showing considerable diagenetic effects along with several species of bacteria, all lodged in a dry-frozen but salt-rich horizon at shallow depth to the land surface. The till is at the older end of a chronologic sequence of glacial deposits, thought to have been deposited before the transition from wet-based to cold-based ice (similar to 15 Ma), and hence, entirely weathered in contact with the subaerial atmosphere. It is possible, though not absolutely verifiable, that the skeletons date from this early stage of emplacement having undergone modifications whenever light snowmelt occurred or salt concentrations lowered the freezing temperature to maintain water as liquid. Correlation of the Coleoptera species with cultured bacteria in the sample and the likelihood of co-habitation with Beauveria bassiani found in two adjacent, although younger paleosols, leads to new questions about the antiquity of the Coleoptera and the source of N and glucose from chitinase derived from the insects. The skeletons in the 831 section may date close to the oldest preserved chitin (Oligocene) yet found on Earth. While harsh Martian conditions make it seemingly intolerable for complex, multicellular organisms such as insects to exist in the near-surface and subaerially, life within similar cold, dry paleosol microenvironments (Cryosols) of Antarctica point to life potential for the Red Planet, especially when considering the relatively diverse microbe (bacteria and fungi) population. (C) 2011 Elsevier Ltd. All rights reserved. |
format |
Article in Journal/Newspaper |
author |
Mahaney, William C. Hart, Kris M. O'Reilly, Shane S. Allen, Christopher C. R. Dohm, James M. Hancock, Ronald G. V. Kelleher, Brian P. Milner, Michael W. |
author_facet |
Mahaney, William C. Hart, Kris M. O'Reilly, Shane S. Allen, Christopher C. R. Dohm, James M. Hancock, Ronald G. V. Kelleher, Brian P. Milner, Michael W. |
author_sort |
Mahaney, William C. |
title |
Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars |
title_short |
Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars |
title_full |
Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars |
title_fullStr |
Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars |
title_full_unstemmed |
Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars |
title_sort |
coleoptera and microbe biomass in antarctic dry valley paleosols adjacent to the inland ice: implications for mars |
publishDate |
2012 |
url |
https://pure.qub.ac.uk/en/publications/73e8a2fa-48a2-4d97-a4e9-7c5b99ff4376 https://doi.org/10.1016/j.pss.2011.11.008 |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Mahaney , W C , Hart , K M , O'Reilly , S S , Allen , C C R , Dohm , J M , Hancock , R G V , Kelleher , B P & Milner , M W 2012 , ' Coleoptera and microbe biomass in Antarctic Dry Valley paleosols adjacent to the Inland Ice: Implications for Mars ' , Planetary and Space Science , vol. 60 , no. 1 , pp. 386-398 . https://doi.org/10.1016/j.pss.2011.11.008 |
op_relation |
https://pure.qub.ac.uk/en/publications/73e8a2fa-48a2-4d97-a4e9-7c5b99ff4376 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1016/j.pss.2011.11.008 |
container_title |
Planetary and Space Science |
container_volume |
60 |
container_issue |
1 |
container_start_page |
386 |
op_container_end_page |
398 |
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1799469180069609472 |