Object's details: Sulphate reducing activity detected in soil samples from Antarctica, Ecology Glacier forefield, King George Island

Provider:Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

Description

Title:
Sulphate reducing activity detected in soil samples from Antarctica, Ecology Glacier forefield, King George Island
Creator:
Wolicka, Dorota;
Zdanowski, Marek K;
Żmuda-Baranowska, Magdalena J;
Poszytek, Anna;
Grzesiak, Jakub
Description:
We determined sulphate-reducing activities in media inoculated with soils and with kettle lake sediments in order to investigate their potential in geomicrobiological processes in low-temperature, terrestrial maritime Antarctic habitats. Soil and sediment samples were collected in a glacier valley abandoned by Ecology Glacier during the last 30 years: from a new formed kettle lake sediment and forefield soil derived from ground moraine. Inoculated with these samples, liquid Postgate C and minimal media supplemented with various carbon sources as electron donors were incubated for 8 weeks at 4°C. High rates of sulphate reduction were observed only in media inoculated with soil. No sulphate reduction was detected in media inoculated with kettle lake sediments. In soil samples culture media calcite and elemental sulphur deposits were observed, demonstrating that sulphate-reducing activity is associated with a potential to mineral formation in cold environments. Cells observed on scanning microscopy (SEM) micrographs of post-culture-soil deposits could be responsible for sulphate-reducing activity.
Object availability:
free access
Date:
2014.12
Type:
Article;
PeerReviewed
Language:
English;
eng
Format:
application/msword
Publisher:
The Polish Society of Microbiologists
Relation: http://eprints.ibb.waw.pl/833 ;http://pjm.indexcopernicus.com/abstracted.php?level=5&ICID=1130755 ;
1130755
Subject:
QD Chemistry;
QE Geology;
QR Microbiology
Identifier: http://eprints.ibb.waw.pl/833/1/WolickaPOPR11.08.14.doc ;
Wolicka, Dorota and Zdanowski, Marek K and Żmuda-Baranowska, Magdalena J and Poszytek, Anna and Grzesiak, Jakub (2014) Sulphate reducing activity detected in soil samples from Antarctica, Ecology Glacier forefield, King George Island. Polish Journal of Microbiology, 63 (4). pp. 443-450. ISSN 1733-1331
Data provider:
Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

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Object's details: Sulphate reducing activity detected in soil samples from Antarctica, Ecology Glacier forefield, King George Island

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