The genetic intractability of Symbiodinium microadriaticum to standard algal transformation methods
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Type
ArticleKAUST Department
Red Sea Research Center (RSRC)Biological and Environmental Sciences and Engineering (BESE) Division
Bioscience Program
Marine Science Program
KAUST Grant Number
URF/1/1705-01OCRF-2014-CRG3-2216
Date
2019-02-19Permanent link to this record
http://hdl.handle.net/10754/625875
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Show full item recordAbstract
Modern transformation and genome editing techniques have shown great success across a broad variety of organisms. However, no study of successfully applied genome editing has been reported in a dinoflagellate despite the first genetic transformation of Symbiodinium being published about 20 years ago. Using an array of different available transformation techniques, we attempted to transform Symbiodinium microadriaticum (CCMP2467), a dinoflagellate symbiont of reef-building corals, with the view to performing subsequent CRISPR-Cas9 mediated genome editing. Plasmid vectors designed for nuclear transformation containing the chloramphenicol resistance gene under the control of the CaMV p35S promoter as well as several putative endogenous promoters were used to test a variety of transformation techniques including biolistics, electroporation and agitation with silicon carbide whiskers. Chloroplast-targeted transformation was attempted using an engineered Symbiodinium chloroplast minicircle encoding a modified PsbA protein expected to confer atrazine resistance. We report that we have been unable to confer chloramphenicol or atrazine resistance on Symbiodinium microadriaticum strain CCMP2467.Citation
Chen JE, Barbrook AC, Cui G, Howe CJ, Aranda M (2019) The genetic intractability of Symbiodinium microadriaticum to standard algal transformation methods. PLOS ONE 14: e0211936. Available: http://dx.doi.org/10.1371/journal.pone.0211936.Sponsors
Funded by King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR). https://www.kaust.edu.sa/en/research/sponsored-research URF/1/1705-01. MA. King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research. (OSR). https://www.kaust.edu.sa/en/research/sponsored-research OCRF-2014-CRG3-2216. MA, CJH. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.Publisher
Public Library of Science (PLoS)Journal
PLOS ONEae974a485f413a2113503eed53cd6c53
10.1371/journal.pone.0211936
Scopus Count
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