High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain Paleoproterozoic carbon burial

A Paleoproterozoic carbon isotope anomaly is likely linked to burial of oceanic cyanobacteria, but it is not clear how burial occurred. Here, the authors find that, under Paleoproterozoic pCO2 conditions, planktonic cyanobacteria increase exopolysaccharide production and mineralization, leading to a...

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Main Authors:	Nina A. Kamennaya, Marcin Zemla, Laura Mahoney, Liang Chen, Elizabeth Holman, Hoi-Ying Holman, Manfred Auer, Caroline M. Ajo-Franklin, Christer Jansson
Format:	Article
Language:	English
Published:	Nature Publishing Group 2018-05-01
Series:	Nature Communications
Online Access:	https://doi.org/10.1038/s41467-018-04588-9

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spelling	doaj-12a48d0061384440a9ec3d52699394e92021-05-11T10:02:52ZengNature Publishing GroupNature Communications2041-17232018-05-01911810.1038/s41467-018-04588-9High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain Paleoproterozoic carbon burialNina A. Kamennaya0Marcin Zemla1Laura Mahoney2Liang Chen3Elizabeth Holman4Hoi-Ying Holman5Manfred Auer6Caroline M. Ajo-Franklin7Christer Jansson8Earth Sciences Division, Lawrence Berkeley National Laboratory (LBNL)Molecular Biophysics and Integrated Bioimaging Sciences Division, LBNLEarth Sciences Division, Lawrence Berkeley National Laboratory (LBNL)Earth Sciences Division, Lawrence Berkeley National Laboratory (LBNL)Department of Chemistry, University of CaliforniaEarth Sciences Division, Lawrence Berkeley National Laboratory (LBNL)Molecular Biophysics and Integrated Bioimaging Sciences Division, LBNLThe Molecular Foundry, LBNLEarth Sciences Division, Lawrence Berkeley National Laboratory (LBNL)A Paleoproterozoic carbon isotope anomaly is likely linked to burial of oceanic cyanobacteria, but it is not clear how burial occurred. Here, the authors find that, under Paleoproterozoic pCO2 conditions, planktonic cyanobacteria increase exopolysaccharide production and mineralization, leading to aggregation and faster sinking.https://doi.org/10.1038/s41467-018-04588-9
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Nina A. Kamennaya Marcin Zemla Laura Mahoney Liang Chen Elizabeth Holman Hoi-Ying Holman Manfred Auer Caroline M. Ajo-Franklin Christer Jansson
spellingShingle	Nina A. Kamennaya Marcin Zemla Laura Mahoney Liang Chen Elizabeth Holman Hoi-Ying Holman Manfred Auer Caroline M. Ajo-Franklin Christer Jansson High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain Paleoproterozoic carbon burial Nature Communications
author_facet	Nina A. Kamennaya Marcin Zemla Laura Mahoney Liang Chen Elizabeth Holman Hoi-Ying Holman Manfred Auer Caroline M. Ajo-Franklin Christer Jansson
author_sort	Nina A. Kamennaya
title	High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain Paleoproterozoic carbon burial
title_short	High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain Paleoproterozoic carbon burial
title_full	High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain Paleoproterozoic carbon burial
title_fullStr	High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain Paleoproterozoic carbon burial
title_full_unstemmed	High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain Paleoproterozoic carbon burial
title_sort	high pco2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain paleoproterozoic carbon burial
publisher	Nature Publishing Group
series	Nature Communications
issn	2041-1723
publishDate	2018-05-01
description	A Paleoproterozoic carbon isotope anomaly is likely linked to burial of oceanic cyanobacteria, but it is not clear how burial occurred. Here, the authors find that, under Paleoproterozoic pCO2 conditions, planktonic cyanobacteria increase exopolysaccharide production and mineralization, leading to aggregation and faster sinking.
url	https://doi.org/10.1038/s41467-018-04588-9
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High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria could explain Paleoproterozoic carbon burial

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