The Geochemistry, Ecology and Taxonomy of Antarctic Methanogenic Bacteria

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Identification_Information:

Citation:

Citation_Information:

Originator: Unknown

Publication_Date: Unknown

Title: The Geochemistry, Ecology and Taxonomy of Antarctic Methanogenic Bacteria

Description:

Abstract:

The Antarctic methanogen Methanococcoides burtonii contained only diether phospholipids. These membrane components were analysed by gas chromatography and gas chromatography mass spectrometry. Of particular interest was the occurrence of unsaturated diether lipids in M. burtonii; unsaturated ether lipids accounted for 57% of the diether phospholipids. To our knowledge, unsaturated ether lipids have not been previously reported in a methanogen. The presence of the unsaturated ether lipids in M. burtonii is probably the result of temperature adaptation by the bacterium. it may be possible to use these components as a chemical signature for methanogens in Antarctic and Southern Ocean environments. From the abstract of one of the papers: The 16S rRNAs of nine new species of prokaryotes, that had been isolated from four lakes of the Vestfold Hills, have been sequenced. These sequences were compared with those of their closest taxonomic relatives available from publicly available databases. The Antarctic species were of wide diversity with representatives from the domains Archaea and Bacteria (sensu Woese). Generally, they were most closely related to organisms from marine environments. The sequence dissimilarity between the rRNA sequences of the Antarctic strains and their nearest known relatives suggest they diverged from each other much earlier than the establishment of their modern Antarctic habitat. The conserved nature of the 16S rRNA molecule suggests it may not be as useful for detecting evolutionary change in Antarctic prokaryotes as distinct from non-Antarctic prokaryotes. Although the optimal temperature for growth of each species is well above the temperature of its environment, each has a reduced optimal temperature for growth when compared with its taxonomic counterpart from non-Antarctic environments. The vast majority of Antarctic prokaryotes remains to be described.

Purpose:

Not Available

Supplemental_Information:

REFERENCE: Summons, R.E., Franzmann, P.D., Nichols, P.D. 1998 Carbon isotopic fractionation associated with methylotrophic methanogens. Organic Geochemistry 28 465-475

Supplemental_Information:

REFERENCE: Franzmann, P.D., Liu, Y., Balkwill, D.L., Conway de Macario, E., Boone, D.R. 1997 Methanogenium frigidus sp. nov., a psychrophilic H2-using methanogen from Ace Lake, Antarctica. International Journal of Systematic Bacteriology 47 1068-1072

Supplemental_Information:

REFERENCE: Franzmann, P.D., Dobson, S.J. 1993 The phylogeny of bacteria from a modern Antarctic refuge. Antarctic Science 5 267-270

Supplemental_Information:

REFERENCE: Spielmeyer, W., McMeekin, T.A., Miller, J., Franzmann, P.D. 1993 Phylogeny of the Antarctic bacterium, Carnobacterium alterfunditum. Polar Biology 13 501-503

Supplemental_Information:

REFERENCE: Nichols, P.D., Shaw, P.M., Mancuso, C.A., Franzmann, P.D. 1993 Analysis of archaeal di- and tetra phospholipids by high temperature capillary gas chromatography. Journal of Microbiological Methods 18 1-9

Supplemental_Information:

REFERENCE: Nichols, P.D., Franzmann, P.D. 1992 Unsaturated diether phospholipids in the antarctic methanogen Methanococcoides burtonii. FEMS Microbiology Letters 98 205-208

Supplemental_Information:

REFERENCE: Franzmann, P.D., Springer, N., Ludwig, W., Conway de Macario, E., and Rohde, M. 1992 A methanogenic archaeon from Ace Lake, Antarctica: Methanococcoides burtonii sp. nov. Systematic and Applied Microbiology 15 573-581

Supplemental_Information:

REFERENCE: Franzmann, P.D. and M. Rohde. 1991 An obligately anaerobic, coiled bacterium from Ace Lake, Antarctica. Journal of General Microbiology 137 2191-2196

Supplemental_Information:

REFERENCE: Mancuso, C.A., Franzmann, P.D., Burton, H.R., and P.D. Nichols. 1990 Microbial community structure and biomass of an antarctic methanogenic lake ecosystem as determined by phosopholipid analysis. Microbial Ecology 19 73-95

Supplemental_Information:

REFERENCE: Franzmann, P.D., Roberts, N.J., Mancuso, C.A., Burton, H.R., and T.A. McMeekin. 1991 Methane production in meromictic Ace Lake, Antarctica. Hydrobiologia 210 191-201

Supplemental_Information:

REFERENCE: Franzmann, P.D., Höpfl, P., Weiss, N., and B.J. Tindall. 1991 Psychrotrophic, lactic acid-producing bacteria from anoxic waters in Ace Lake, Antarctica; Carnobacterium funditum sp. nov. and Carnobacterium alterfunditum sp. nov. Archives of Microbiology 156 255-262

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 19870930

Ending_Date: 19880331

Currentness_Reference:Unknown

Status:

Progress: Complete

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Description_of_Geographic_Extent:

Bounding_Coordinates:

West_Bounding_Coordinate: 72.0

East_Bounding_Coordinate: 72.5

North_Bounding_Coordinate: -68.0

South_Bounding_Coordinate: -68.5

Keywords:

Theme:

Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS

Theme_Keyword_Thesaurus: ANCILLARY KEYWORDS

Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY

Theme_Keyword_Thesaurus: DATA SET LANGUAGE

Theme_Keyword: EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > BACTERIA/ARCHAEA

Theme_Keyword: EARTH SCIENCE > BIOSPHERE > AQUATIC ECOSYSTEMS > LAKES

Theme_Keyword: 16s Rrna

Theme_Keyword: Ace Lake

Theme_Keyword: Antarctic Prokaryotes

Theme_Keyword: Bacteria

Theme_Keyword: Biodiversity

Theme_Keyword: Methanogenic

Theme_Keyword: Phylogeny

Theme_Keyword: Psychrotrophs

Theme_Keyword: BIOTA

Theme_Keyword: ENGLISH

Place:

Place_Keyword_Thesaurus: GCMD

Place_Keyword: CONTINENT > ANTARCTICA > VESTFOLD HILLS

Place_Keyword: GEOGRAPHIC REGION > POLAR

Access_Constraints: Some of the papers arising from this project are available for download from the provided URL to AAD staff only.

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This data set conforms to the PICCCBY Attribution License (http://creativecommons.org/licenses/by/3.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_264 when using these data.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: PETER FRANZMANN

Contact_Position: INVESTIGATOR

Contact_Position: TECHNICAL CONTACT

Contact_Position: DIF AUTHOR

Contact_Address:

Address_Type: Mailing and Physical Address

Address: CSIRO LAND AND WATER

Address: PO WEMBLEY

Address: PRIVATE BAG

City: Wembley

State_or_Province: Western Australia

Postal_Code: 6014

Country: Australia

Contact_Voice_Telephone: +61 8 9333 6306

Contact_Facsimile_Telephone: +61 8 9387 8211

Contact_Electronic_Mail_Address: peter.franzmann@csiro.au

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Values provided in temporal coverage are approximate only.

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Contact_Person: DATA OFFICER AADC

Contact_Position: DATA CENTER CONTACT

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Address: Australian Antarctic Division

Address: 203 Channel Highway

City: Kingston

State_or_Province: Tasmania

Postal_Code: 7050

Country: Australia

Contact_Voice_Telephone: +61 3 6232 3244

Contact_Facsimile_Telephone: +61 3 6232 3351

Contact_Electronic_Mail_Address: metadata@aad.gov.au

Resource_Description: ASAC_264

Distribution_Liability:

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Standard_Order_Process:

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Format_Name: pdf

Transfer_Size: 9491 kb

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http://data.aad.gov.au

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Public information for ASAC project 264

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Fees: Free

Metadata_Reference_Information:

Metadata_Date: 20000720

Metadata_Review_Date: 20111121

Metadata_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: PETER FRANZMANN

Contact_Position: INVESTIGATOR

Contact_Position: TECHNICAL CONTACT

Contact_Position: DIF AUTHOR

Contact_Address:

Address_Type: Mailing and Physical Address

Address: CSIRO LAND AND WATER

Address: PO WEMBLEY

Address: PRIVATE BAG

City: Wembley

State_or_Province: Western Australia

Postal_Code: 6014

Country: Australia

Contact_Voice_Telephone: +61 8 9333 6306

Contact_Facsimile_Telephone: +61 8 9387 8211

Contact_Electronic_Mail_Address: peter.franzmann@csiro.au

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time