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A likely role for anoxygenic photosynthetic microbes in the formation of ancient stromatolites

Bosak, T. and Greene, S. E. and Newman, D. K. (2007) A likely role for anoxygenic photosynthetic microbes in the formation of ancient stromatolites. Geobiology, 5 (2). pp. 119-126. ISSN 1472-4677. http://resolver.caltech.edu/CaltechAUTHORS:20130417-155449511

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Abstract

Although cyanobacteria are the dominant primary producers in modern stromatolites and other microbialites, the oldest stromatolites pre-date geochemical evidence for oxygenic photosynthesis and cyanobacteria in the rock record. As a step towards the development of laboratory models of stromatolite growth, we tested the potential of a metabolically ancient anoxygenic photosynthetic bacterium to build stromatolites. This organism, Rhodopseudomonas palustris, stimulates the precipitation of calcite in solutions already highly saturated with respect to calcium carbonate, and greatly facilitates the incorporation of carbonate grains into proto-lamina (i.e. crusts). The appreciable stimulation of the growth of proto-lamina by a nonfilamentous anoxygenic microbe suggests that similar microbes may have played a greater role in the formation of Archean stromatolites than previously assumed.


Item Type:Article
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URLURL TypeDescription
http://dx.doi.org/10.1111/j.1472-4669.2007.00104.xDOIUNSPECIFIED
http://onlinelibrary.wiley.com/doi/10.1111/j.1472-4669.2007.00104.x/abstractPublisherUNSPECIFIED
ORCID:
AuthorORCID
Newman, D. K.0000-0003-1647-1918
Additional Information:© 2007 The Authors. Journal compilation © 2007 Blackwell Publishing Ltd Received 25 August 2006; accepted 10 January 2007. We thank the Agouron Institute, Packard Foundation, and Howard Hughes Medical Institute for financial support and our reviewers for their helpful comments.
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Funding AgencyGrant Number
Agouron InstituteUNSPECIFIED
Packard Foundation UNSPECIFIED
Howard Hughes Medical Institute (HHMI)UNSPECIFIED
Record Number:CaltechAUTHORS:20130417-155449511
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20130417-155449511
Official Citation:BOSAK, T., GREENE, S. E. and NEWMAN, D. K. (2007), A likely role for anoxygenic photosynthetic microbes in the formation of ancient stromatolites. Geobiology, 5: 119–126. doi: 10.1111/j.1472-4669.2007.00104.x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38001
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:25 Apr 2013 22:41
Last Modified:24 Oct 2017 15:05

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