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2004 Annual Science Report

Indiana University, Bloomington Reporting  |  JUL 2003 – JUN 2004

Executive Summary

Introduction. During the first six months of funding
from the NASA Astrobiology Institute (NAI), three major research projects were
initiated by the Indiana-Princeton-Tennessee Astrobiology Initiative (IPTAI) Team: 1. Geomicrobiology and hydrogeochemistry
of intra- and sub-permafrost water intersections in a deep gold mine, Kinross
Luipn Mine, Nunavat Territories, Canada; 2. Partitioning of sulfur isotopes
during pyrite oxidation coupled to radiolytic water cleavage; and 3.
Whole-genome sequencing of an uncultured Desulfotomaculum-like organism
from hydrothermal waters in deep gold mines, Witwatersrand basin, South
Africa. Each of these projects requires a high degree of collaboration among
IPTAI laboratories and involves two to four principal investigators, one to
three post-doctoral associates, and two to five graduate and undergraduate

The central focus of the IPTAI team is investigation of
psychrophilic microbial communities in a deep gold mine located near the Arctic
Circle in northern Canada.

Figure 1

Figure 1. Headframe and ... Continue reading.

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