DCO Project Summary

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Project Title
Diversity of Microbes on Igneous Minerals Incubated for Four Years in the Ocean Crust
Start DateEnd Date
2011-01-01 2013-12-31
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The goals of this study are to characterize the microbial communities that colonized the minerals and glasses incubated in Hole 1301A in the Juan de Fuca Ridge to study the relationship between microbial diversity and mineral type, determine if microbial communities are distributed homogeneously or heterogeneously in ocean crust, and explore the biogeochemical role of organisms colonizing each of the igneous phases. This is the first step to understanding how microbial community structure is influenced by mineral surfaces and what roles they play in the ocean crust. We isolated microbes for identification purposes and to study their physiology in the presence of igneous minerals. However, large-scale sequence analysis of DNA extracted from our incubated minerals would help us obtain key information about the correlation between ocean crust minerals and microbial diversity. The igneous minerals and glasses incubated in the subseafloor at the Juan de Fuca Ridge provide an opportunity to evaluate a number of hypotheses about microbial colonization in the ocean crust.


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Reporting Year 2014 Click to expand

  • RY2014-1 - submitted on Aug 31, 2014

    Update Details:

    One paper is in preparation for submission to ISME Journal (Smith, A., G. Flores, M. Fisk, F. Colwell, A. Thurber, O. Mason, and R. Popa. Deep crustal communities of the Juan de Fuca Ridge are governed by mineralogy)

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