NDLI: Evaluation of photo-reactive siderophore producing bacteria before, during and after a bloom of the dinoflagellate Lingulodinium polyedrum

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Evaluation of photo-reactive siderophore producing bacteria before, during and after a bloom of the dinoflagellate Lingulodinium polyedrum

Content Provider	Royal Society of Chemistry (RSC)
Author	Carter, Melissa L. Gärdes, Astrid Carrano, Carl J. Hilbern, Mary Yarimizu, Kyoko Polido, Geraldine
Copyright Year	2014
Abstract	Evidence is increasing for a mutualistic relationship between phytoplankton and heterotrophic marine bacteria. It has been proposed that bacteria producing photoactive iron binding compounds known as siderophores could play an important role in such mutualistic associations by producing bioavailable iron utilizable by phytoplankton and in exchange receive autotrophically derived DOM. In order to understand the potential role photoactive siderophores might be playing in bacterial–algal mutualism or marine biogeochemistry in general, it is important to be able to detect and quantify their presence in various environments. One approach to accomplish that end is to make use of high sensitivity genomics technology (qPCR) to search for siderophore biosynthesis genes related to the production of photoactive siderophores. In this way one can access their “biochemical potential” and utilize this information as a proxy for the presence of these siderophores in the marine environment. In this report we studied the correlation of the presence of bacteria producing one of the three photoactive siderophores relative to total bacterial and dinoflagellate numbers from surface water at the Scripps Pier before, during, and after fall bloom of the dinoflagellate Lingulodinium polyedrum. We believe that these findings will aid us in gauging the importance of photoactive siderophores in the marine environment and in harmful algal bloom dynamics in particular.
Starting Page	1156
Ending Page	1163
Page Count	8
File Format	HTM / HTML PDF
ISSN	17565901
Volume Number	6
Issue Number	6
Journal	Metallomics
DOI	10.1039/c4mt00053f
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Document Object Model Biogeochemistry Heterotroph Lingulodinium polyedrum Siderophore Beetle Genomics Dinoflagellate Phytoplankton Bacteria Harmful algal bloom
Content Type	Text
Resource Type	Article
Subject	Chemistry Medicine Metals and Alloys Biochemistry Biomaterials Biophysics

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Evaluation of photo-reactive siderophore producing bacteria before, during and after a bloom of the dinoflagellate Lingulodinium polyedrum

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