A genetic marker to separate Emiliania huxleyi (Prymnesiophyceae) morphotypes

Schroeder, DC, Biggi, GF, Hall, M, Davy, J, Martinez, JM, Richardson, AJ, Malin, G and Wilson, WH 2005 A genetic marker to separate Emiliania huxleyi (Prymnesiophyceae) morphotypes. Journal of Phycology, 41 (4). 874-879. https://doi.org/10.1111/j.1529-8817.2005.04188.x

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Emiliania huxleyi (Lohm.) Hay and Mohler is a ubiquitous unicellular marine alga surrounded by an elaborate covering of calcite platelets called coccoliths. It is an important primary producer involved in oceanic biogeochemistry and climate regulation. Currently, E. huxleyi is separated into five morphotypes based on morphometric, physiological, biochemical, and immunological differences. However, a genetic marker has yet to be found to characterize these morphotypes. With the use of sequence analysis and denaturing gradient gel electrophoresis, we discovered a genetic marker that correlates significantly with the separation of the most widely recognized A and B morphotypes. Furthermore, we reveal that the A morphotype is composed of a number of distinct genotypes. This marker lies within the 3' untranslated region of a coccolith associated protein mRNA, which is implicated in regulating coccolith calcification. Consequently, we tentatively termed this marker the coccolith morphology motif.

Item Type: Publication - Article
Additional Keywords: Calcification Coccoliths Genetics
Divisions: Marine Biological Association of the UK > Other (MBA)
Plymouth Marine Laboratory > Other (PML)
Sir Alister Hardy Foundation for Ocean Science > Other (SAHFOS) (expired)
Depositing User: EPrints Services
Date made live: 07 Aug 2006
Last Modified: 25 Apr 2020 09:55
URI: https://plymsea.ac.uk/id/eprint/1330

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