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Formation of stroma...
Formation of stromatolite lamina at the interface of oxygenic-anoxygenic photosynthesis
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Pace, A. (author)
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Bourillot, R. (author)
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Bouton, A. (author)
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Vennin, E. (author)
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Braissant, O. (author)
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- Dupraz, Christophe (author)
- Stockholms universitet,Institutionen för geologiska vetenskaper
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Duteil, T. (author)
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Bundeleva, I. (author)
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Patrier, P. (author)
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Galaup, S. (author)
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Yokoyama, Y. (author)
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Franceschi, M. (author)
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Virgone, A. (author)
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Visscher, P. T. (author)
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(creator_code:org_t)
- 2018-03-23
- 2018
- English.
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In: Geobiology. - : Wiley. - 1472-4677 .- 1472-4669. ; 16:4, s. 378-398
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- In modern stromatolites, mineralization results from a complex interplay between microbial metabolisms, the organic matrix, and environmental parameters. Here, we combined biogeochemical, mineralogical, and microscopic analyses with measurements of metabolic activity to characterize the mineralization processes and products in an emergent (<18months) hypersaline microbial mat. While the nucleation of Mg silicates is ubiquitous in the mat, the initial formation of a Ca-Mg carbonate lamina depends on (i) the creation of a high-pH interface combined with a major change in properties of the exopolymeric substances at the interface of the oxygenic and anoxygenic photoautotrophic layers and (ii) the synergy between two major players of sulfur cycle, purple sulfur bacteria, and sulfate-reducing bacteria. The repetition of this process over time combined with upward growth of the mat is a possible pathway leading to the formation of a stromatolite.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Keyword
- anoxygenic photosynthesis
- oxygenic photosynthesis
- stromatolite
Publication and Content Type
- ref (subject category)
- art (subject category)
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Geobiology
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- By the author/editor
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Pace, A.
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Bourillot, R.
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Bouton, A.
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Vennin, E.
-
Braissant, O.
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Dupraz, Christop ...
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show more...
-
Duteil, T.
-
Bundeleva, I.
-
Patrier, P.
-
Galaup, S.
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Yokoyama, Y.
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Franceschi, M.
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Virgone, A.
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Visscher, P. T.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
- Articles in the publication
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Geobiology
- By the university
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Stockholm University