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dc.contributor.authorFiore, Cara L.  Concept link
dc.contributor.authorLongnecker, Krista  Concept link
dc.contributor.authorKido Soule, Melissa C.  Concept link
dc.contributor.authorKujawinski, Elizabeth B.  Concept link
dc.date.accessioned2015-11-19T20:27:14Z
dc.date.available2016-07-07T08:06:01Z
dc.date.issued2015-04-30
dc.identifier.urihttps://hdl.handle.net/1912/7629
dc.descriptionAuthor Posting. © The Author(s), 2015. This is the author's version of the work. It is posted here by permission of Society for Applied Microbiology for personal use, not for redistribution. The definitive version was published in Environmental Microbiology 17 (2015): 3949–3963, doi:10.1111/1462-2920.12899.en_US
dc.description.abstractPhotoautotrophic plankton in the surface ocean release organic compounds that fuel secondary production by heterotrophic bacteria. Here we show that an abundant marine cyanobacterium, Synechococcus elongatus, contributes a variety of nitrogen-rich and sulfur-containing compounds to dissolved organic matter. A combination of targeted and untargeted metabolomics and genomic tools was used to characterize the intracellular and extracellular metabolites of S. elongatus. Aromatic compounds such as 4-hydroxybenzoic acid and phenylalanine, as well as nucleosides (e.g., thymidine, 5’-methylthioadenosine, xanthosine), the organosulfur compound 3-mercaptopropionate, and the plant auxin indole 3-acetic acid, were released by S. elongatus at multiple time points during its growth. Further, the amino acid kynurenine was found to accumulate in the media even though it was not present in the predicted metabolome of S. elongatus. This indicates that some metabolites, including those not predicted by an organism’s genome, are likely excreted into the environment as waste; however, these molecules may have broader ecological relevance if they are labile to nearby microbes. The compounds described herein provide excellent targets for quantitative analysis in field settings to assess the source and lability of dissolved organic matter in situ.en_US
dc.description.sponsorshipThis project was funded by the Gordon and Betty Moore Foundation through Grant #3304 to E. Kujawinski.en_US
dc.format.mimetypeapplication/pdf
dc.language.isoen_USen_US
dc.relation.urihttps://doi.org/10.1111/1462-2920.12899
dc.titleRelease of ecologically relevant metabolites by the cyanobacterium Synechococcus elongatus CCMP 1631en_US
dc.typePreprinten_US
dc.description.embargo2016-07-07en_US


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