Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica
Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright V...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Rankin, Aime H. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag Berlin Heidelberg 2017 |
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| Übergeordnetes Werk: |
Enthalten in: Polar biology - Berlin : Springer, 1982, 40(2017), 10 vom: 29. Mai, Seite 2063-2076 |
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| Übergeordnetes Werk: |
volume:40 ; year:2017 ; number:10 ; day:29 ; month:05 ; pages:2063-2076 |
| Links: |
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| DOI / URN: |
10.1007/s00300-017-2127-y |
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SPR00394302X |
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| 100 | 1 | |a Rankin, Aime H. |e verfasserin |4 aut | |
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| 520 | |a Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright Valley, Antarctica. Through phylogenetic analysis of the chloroplast region, ribosomal subunit 4 gene, nuclear ribosomal DNA region, and the internal transcribed spacer region, the Lake Vanda moss was identified as the cosmopolitan species Bryum pseudotriquetrum and resolved to a clade containing exclusively specimens from Antarctica, specifically those from the neighbouring Taylor Valley and Granite Harbour. The close genetic similarity of the Lake Vanda population to other populations of B. pseudotriquetrum in Southern Victoria Land suggests that colonisation was likely to have been from local sources, and colonisation likely occurred at least 80–100 years ago, given the position of mosses in the deeper of two convection cells in the lake. Light and scanning electron microscopy of in vitro cultured specimens revealed adaptations to permanent submersion, including very thin cell walls, which may increase $ CO_{2} $ absorption under water. The production of rhizoidal knots in contaminated, low-nutrient media, but not in axenic cultures, might result from interactions between the moss and organisms in the microbial mat from which it was isolated. The absence of mosses around the lake margin or elsewhere in Wright Valley highlights the importance of freshwater ecosystems as refugia for biodiversity in Antarctica. | ||
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| 650 | 4 | |a Aquatic moss |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Pressel, Silvia |4 aut | |
| 700 | 1 | |a Duckett, Jeffrey |4 aut | |
| 700 | 1 | |a Rimington, William R. |4 aut | |
| 700 | 1 | |a Hawes, Ian |4 aut | |
| 700 | 1 | |a Sumner, Dawn Y. |4 aut | |
| 700 | 1 | |a Mackey, Tyler J. |4 aut | |
| 700 | 1 | |a Castendyke, Devin |4 aut | |
| 700 | 1 | |a Schneider, Harald |4 aut | |
| 700 | 1 | |a Jungblut, Anne D. |4 aut | |
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10.1007/s00300-017-2127-y doi (DE-627)SPR00394302X (SPR)s00300-017-2127-y-e DE-627 ger DE-627 rakwb eng Rankin, Aime H. verfasserin aut Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright Valley, Antarctica. Through phylogenetic analysis of the chloroplast region, ribosomal subunit 4 gene, nuclear ribosomal DNA region, and the internal transcribed spacer region, the Lake Vanda moss was identified as the cosmopolitan species Bryum pseudotriquetrum and resolved to a clade containing exclusively specimens from Antarctica, specifically those from the neighbouring Taylor Valley and Granite Harbour. The close genetic similarity of the Lake Vanda population to other populations of B. pseudotriquetrum in Southern Victoria Land suggests that colonisation was likely to have been from local sources, and colonisation likely occurred at least 80–100 years ago, given the position of mosses in the deeper of two convection cells in the lake. Light and scanning electron microscopy of in vitro cultured specimens revealed adaptations to permanent submersion, including very thin cell walls, which may increase $ CO_{2} $ absorption under water. The production of rhizoidal knots in contaminated, low-nutrient media, but not in axenic cultures, might result from interactions between the moss and organisms in the microbial mat from which it was isolated. The absence of mosses around the lake margin or elsewhere in Wright Valley highlights the importance of freshwater ecosystems as refugia for biodiversity in Antarctica. Antarctica (dpeaa)DE-He213 Lake Vanda (dpeaa)DE-He213 Deep-water habitats (dpeaa)DE-He213 Meromictic lake (dpeaa)DE-He213 Cyanobacterial mat (dpeaa)DE-He213 Aquatic moss (dpeaa)DE-He213 Pressel, Silvia aut Duckett, Jeffrey aut Rimington, William R. aut Hawes, Ian aut Sumner, Dawn Y. aut Mackey, Tyler J. aut Castendyke, Devin aut Schneider, Harald aut Jungblut, Anne D. aut Enthalten in Polar biology Berlin : Springer, 1982 40(2017), 10 vom: 29. Mai, Seite 2063-2076 (DE-627)271175427 (DE-600)1478942-5 1432-2056 nnns volume:40 year:2017 number:10 day:29 month:05 pages:2063-2076 https://dx.doi.org/10.1007/s00300-017-2127-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2017 10 29 05 2063-2076 |
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10.1007/s00300-017-2127-y doi (DE-627)SPR00394302X (SPR)s00300-017-2127-y-e DE-627 ger DE-627 rakwb eng Rankin, Aime H. verfasserin aut Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright Valley, Antarctica. Through phylogenetic analysis of the chloroplast region, ribosomal subunit 4 gene, nuclear ribosomal DNA region, and the internal transcribed spacer region, the Lake Vanda moss was identified as the cosmopolitan species Bryum pseudotriquetrum and resolved to a clade containing exclusively specimens from Antarctica, specifically those from the neighbouring Taylor Valley and Granite Harbour. The close genetic similarity of the Lake Vanda population to other populations of B. pseudotriquetrum in Southern Victoria Land suggests that colonisation was likely to have been from local sources, and colonisation likely occurred at least 80–100 years ago, given the position of mosses in the deeper of two convection cells in the lake. Light and scanning electron microscopy of in vitro cultured specimens revealed adaptations to permanent submersion, including very thin cell walls, which may increase $ CO_{2} $ absorption under water. The production of rhizoidal knots in contaminated, low-nutrient media, but not in axenic cultures, might result from interactions between the moss and organisms in the microbial mat from which it was isolated. The absence of mosses around the lake margin or elsewhere in Wright Valley highlights the importance of freshwater ecosystems as refugia for biodiversity in Antarctica. Antarctica (dpeaa)DE-He213 Lake Vanda (dpeaa)DE-He213 Deep-water habitats (dpeaa)DE-He213 Meromictic lake (dpeaa)DE-He213 Cyanobacterial mat (dpeaa)DE-He213 Aquatic moss (dpeaa)DE-He213 Pressel, Silvia aut Duckett, Jeffrey aut Rimington, William R. aut Hawes, Ian aut Sumner, Dawn Y. aut Mackey, Tyler J. aut Castendyke, Devin aut Schneider, Harald aut Jungblut, Anne D. aut Enthalten in Polar biology Berlin : Springer, 1982 40(2017), 10 vom: 29. Mai, Seite 2063-2076 (DE-627)271175427 (DE-600)1478942-5 1432-2056 nnns volume:40 year:2017 number:10 day:29 month:05 pages:2063-2076 https://dx.doi.org/10.1007/s00300-017-2127-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2017 10 29 05 2063-2076 |
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10.1007/s00300-017-2127-y doi (DE-627)SPR00394302X (SPR)s00300-017-2127-y-e DE-627 ger DE-627 rakwb eng Rankin, Aime H. verfasserin aut Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright Valley, Antarctica. Through phylogenetic analysis of the chloroplast region, ribosomal subunit 4 gene, nuclear ribosomal DNA region, and the internal transcribed spacer region, the Lake Vanda moss was identified as the cosmopolitan species Bryum pseudotriquetrum and resolved to a clade containing exclusively specimens from Antarctica, specifically those from the neighbouring Taylor Valley and Granite Harbour. The close genetic similarity of the Lake Vanda population to other populations of B. pseudotriquetrum in Southern Victoria Land suggests that colonisation was likely to have been from local sources, and colonisation likely occurred at least 80–100 years ago, given the position of mosses in the deeper of two convection cells in the lake. Light and scanning electron microscopy of in vitro cultured specimens revealed adaptations to permanent submersion, including very thin cell walls, which may increase $ CO_{2} $ absorption under water. The production of rhizoidal knots in contaminated, low-nutrient media, but not in axenic cultures, might result from interactions between the moss and organisms in the microbial mat from which it was isolated. The absence of mosses around the lake margin or elsewhere in Wright Valley highlights the importance of freshwater ecosystems as refugia for biodiversity in Antarctica. Antarctica (dpeaa)DE-He213 Lake Vanda (dpeaa)DE-He213 Deep-water habitats (dpeaa)DE-He213 Meromictic lake (dpeaa)DE-He213 Cyanobacterial mat (dpeaa)DE-He213 Aquatic moss (dpeaa)DE-He213 Pressel, Silvia aut Duckett, Jeffrey aut Rimington, William R. aut Hawes, Ian aut Sumner, Dawn Y. aut Mackey, Tyler J. aut Castendyke, Devin aut Schneider, Harald aut Jungblut, Anne D. aut Enthalten in Polar biology Berlin : Springer, 1982 40(2017), 10 vom: 29. Mai, Seite 2063-2076 (DE-627)271175427 (DE-600)1478942-5 1432-2056 nnns volume:40 year:2017 number:10 day:29 month:05 pages:2063-2076 https://dx.doi.org/10.1007/s00300-017-2127-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2017 10 29 05 2063-2076 |
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10.1007/s00300-017-2127-y doi (DE-627)SPR00394302X (SPR)s00300-017-2127-y-e DE-627 ger DE-627 rakwb eng Rankin, Aime H. verfasserin aut Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright Valley, Antarctica. Through phylogenetic analysis of the chloroplast region, ribosomal subunit 4 gene, nuclear ribosomal DNA region, and the internal transcribed spacer region, the Lake Vanda moss was identified as the cosmopolitan species Bryum pseudotriquetrum and resolved to a clade containing exclusively specimens from Antarctica, specifically those from the neighbouring Taylor Valley and Granite Harbour. The close genetic similarity of the Lake Vanda population to other populations of B. pseudotriquetrum in Southern Victoria Land suggests that colonisation was likely to have been from local sources, and colonisation likely occurred at least 80–100 years ago, given the position of mosses in the deeper of two convection cells in the lake. Light and scanning electron microscopy of in vitro cultured specimens revealed adaptations to permanent submersion, including very thin cell walls, which may increase $ CO_{2} $ absorption under water. The production of rhizoidal knots in contaminated, low-nutrient media, but not in axenic cultures, might result from interactions between the moss and organisms in the microbial mat from which it was isolated. The absence of mosses around the lake margin or elsewhere in Wright Valley highlights the importance of freshwater ecosystems as refugia for biodiversity in Antarctica. Antarctica (dpeaa)DE-He213 Lake Vanda (dpeaa)DE-He213 Deep-water habitats (dpeaa)DE-He213 Meromictic lake (dpeaa)DE-He213 Cyanobacterial mat (dpeaa)DE-He213 Aquatic moss (dpeaa)DE-He213 Pressel, Silvia aut Duckett, Jeffrey aut Rimington, William R. aut Hawes, Ian aut Sumner, Dawn Y. aut Mackey, Tyler J. aut Castendyke, Devin aut Schneider, Harald aut Jungblut, Anne D. aut Enthalten in Polar biology Berlin : Springer, 1982 40(2017), 10 vom: 29. Mai, Seite 2063-2076 (DE-627)271175427 (DE-600)1478942-5 1432-2056 nnns volume:40 year:2017 number:10 day:29 month:05 pages:2063-2076 https://dx.doi.org/10.1007/s00300-017-2127-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2017 10 29 05 2063-2076 |
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10.1007/s00300-017-2127-y doi (DE-627)SPR00394302X (SPR)s00300-017-2127-y-e DE-627 ger DE-627 rakwb eng Rankin, Aime H. verfasserin aut Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright Valley, Antarctica. Through phylogenetic analysis of the chloroplast region, ribosomal subunit 4 gene, nuclear ribosomal DNA region, and the internal transcribed spacer region, the Lake Vanda moss was identified as the cosmopolitan species Bryum pseudotriquetrum and resolved to a clade containing exclusively specimens from Antarctica, specifically those from the neighbouring Taylor Valley and Granite Harbour. The close genetic similarity of the Lake Vanda population to other populations of B. pseudotriquetrum in Southern Victoria Land suggests that colonisation was likely to have been from local sources, and colonisation likely occurred at least 80–100 years ago, given the position of mosses in the deeper of two convection cells in the lake. Light and scanning electron microscopy of in vitro cultured specimens revealed adaptations to permanent submersion, including very thin cell walls, which may increase $ CO_{2} $ absorption under water. The production of rhizoidal knots in contaminated, low-nutrient media, but not in axenic cultures, might result from interactions between the moss and organisms in the microbial mat from which it was isolated. The absence of mosses around the lake margin or elsewhere in Wright Valley highlights the importance of freshwater ecosystems as refugia for biodiversity in Antarctica. Antarctica (dpeaa)DE-He213 Lake Vanda (dpeaa)DE-He213 Deep-water habitats (dpeaa)DE-He213 Meromictic lake (dpeaa)DE-He213 Cyanobacterial mat (dpeaa)DE-He213 Aquatic moss (dpeaa)DE-He213 Pressel, Silvia aut Duckett, Jeffrey aut Rimington, William R. aut Hawes, Ian aut Sumner, Dawn Y. aut Mackey, Tyler J. aut Castendyke, Devin aut Schneider, Harald aut Jungblut, Anne D. aut Enthalten in Polar biology Berlin : Springer, 1982 40(2017), 10 vom: 29. Mai, Seite 2063-2076 (DE-627)271175427 (DE-600)1478942-5 1432-2056 nnns volume:40 year:2017 number:10 day:29 month:05 pages:2063-2076 https://dx.doi.org/10.1007/s00300-017-2127-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 40 2017 10 29 05 2063-2076 |
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Enthalten in Polar biology 40(2017), 10 vom: 29. Mai, Seite 2063-2076 volume:40 year:2017 number:10 day:29 month:05 pages:2063-2076 |
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Rankin, Aime H. @@aut@@ Pressel, Silvia @@aut@@ Duckett, Jeffrey @@aut@@ Rimington, William R. @@aut@@ Hawes, Ian @@aut@@ Sumner, Dawn Y. @@aut@@ Mackey, Tyler J. @@aut@@ Castendyke, Devin @@aut@@ Schneider, Harald @@aut@@ Jungblut, Anne D. @@aut@@ |
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Rankin, Aime H. |
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Rankin, Aime H. misc Antarctica misc Lake Vanda misc Deep-water habitats misc Meromictic lake misc Cyanobacterial mat misc Aquatic moss Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica |
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Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica Antarctica (dpeaa)DE-He213 Lake Vanda (dpeaa)DE-He213 Deep-water habitats (dpeaa)DE-He213 Meromictic lake (dpeaa)DE-He213 Cyanobacterial mat (dpeaa)DE-He213 Aquatic moss (dpeaa)DE-He213 |
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Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica |
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Rankin, Aime H. Pressel, Silvia Duckett, Jeffrey Rimington, William R. Hawes, Ian Sumner, Dawn Y. Mackey, Tyler J. Castendyke, Devin Schneider, Harald Jungblut, Anne D. |
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10.1007/s00300-017-2127-y |
| title_sort |
characterisation of a deep-water moss from the perennially ice-covered lake vanda, antarctica |
| title_auth |
Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica |
| abstract |
Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright Valley, Antarctica. Through phylogenetic analysis of the chloroplast region, ribosomal subunit 4 gene, nuclear ribosomal DNA region, and the internal transcribed spacer region, the Lake Vanda moss was identified as the cosmopolitan species Bryum pseudotriquetrum and resolved to a clade containing exclusively specimens from Antarctica, specifically those from the neighbouring Taylor Valley and Granite Harbour. The close genetic similarity of the Lake Vanda population to other populations of B. pseudotriquetrum in Southern Victoria Land suggests that colonisation was likely to have been from local sources, and colonisation likely occurred at least 80–100 years ago, given the position of mosses in the deeper of two convection cells in the lake. Light and scanning electron microscopy of in vitro cultured specimens revealed adaptations to permanent submersion, including very thin cell walls, which may increase $ CO_{2} $ absorption under water. The production of rhizoidal knots in contaminated, low-nutrient media, but not in axenic cultures, might result from interactions between the moss and organisms in the microbial mat from which it was isolated. The absence of mosses around the lake margin or elsewhere in Wright Valley highlights the importance of freshwater ecosystems as refugia for biodiversity in Antarctica. © Springer-Verlag Berlin Heidelberg 2017 |
| abstractGer |
Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright Valley, Antarctica. Through phylogenetic analysis of the chloroplast region, ribosomal subunit 4 gene, nuclear ribosomal DNA region, and the internal transcribed spacer region, the Lake Vanda moss was identified as the cosmopolitan species Bryum pseudotriquetrum and resolved to a clade containing exclusively specimens from Antarctica, specifically those from the neighbouring Taylor Valley and Granite Harbour. The close genetic similarity of the Lake Vanda population to other populations of B. pseudotriquetrum in Southern Victoria Land suggests that colonisation was likely to have been from local sources, and colonisation likely occurred at least 80–100 years ago, given the position of mosses in the deeper of two convection cells in the lake. Light and scanning electron microscopy of in vitro cultured specimens revealed adaptations to permanent submersion, including very thin cell walls, which may increase $ CO_{2} $ absorption under water. The production of rhizoidal knots in contaminated, low-nutrient media, but not in axenic cultures, might result from interactions between the moss and organisms in the microbial mat from which it was isolated. The absence of mosses around the lake margin or elsewhere in Wright Valley highlights the importance of freshwater ecosystems as refugia for biodiversity in Antarctica. © Springer-Verlag Berlin Heidelberg 2017 |
| abstract_unstemmed |
Abstract Bryophytes from submerged habitats are particularly difficult to identify because developmental plasticity obscures their characteristic features. A deep-water moss population of uncertain identity was found isolated at a depth of 31 m within the perennially ice-covered Lake Vanda, Wright Valley, Antarctica. Through phylogenetic analysis of the chloroplast region, ribosomal subunit 4 gene, nuclear ribosomal DNA region, and the internal transcribed spacer region, the Lake Vanda moss was identified as the cosmopolitan species Bryum pseudotriquetrum and resolved to a clade containing exclusively specimens from Antarctica, specifically those from the neighbouring Taylor Valley and Granite Harbour. The close genetic similarity of the Lake Vanda population to other populations of B. pseudotriquetrum in Southern Victoria Land suggests that colonisation was likely to have been from local sources, and colonisation likely occurred at least 80–100 years ago, given the position of mosses in the deeper of two convection cells in the lake. Light and scanning electron microscopy of in vitro cultured specimens revealed adaptations to permanent submersion, including very thin cell walls, which may increase $ CO_{2} $ absorption under water. The production of rhizoidal knots in contaminated, low-nutrient media, but not in axenic cultures, might result from interactions between the moss and organisms in the microbial mat from which it was isolated. The absence of mosses around the lake margin or elsewhere in Wright Valley highlights the importance of freshwater ecosystems as refugia for biodiversity in Antarctica. © Springer-Verlag Berlin Heidelberg 2017 |
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| title_short |
Characterisation of a deep-water moss from the perennially ice-covered Lake Vanda, Antarctica |
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Pressel, Silvia Duckett, Jeffrey Rimington, William R. Hawes, Ian Sumner, Dawn Y. Mackey, Tyler J. Castendyke, Devin Schneider, Harald Jungblut, Anne D. |
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Pressel, Silvia Duckett, Jeffrey Rimington, William R. Hawes, Ian Sumner, Dawn Y. Mackey, Tyler J. Castendyke, Devin Schneider, Harald Jungblut, Anne D. |
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| score |
7.4008045 |