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Título: | Photosynthetic pigments of oceanic Chlorophyta belonging to prasinophytes clade VII |
Autor: | Lopes dos Santos, Adriana; Gourvil, Priscillia; Rodríguez Hernández, Francisco José CSIC ORCID; Garrido, J. L. CSIC ORCID; Vaulot, Daniel | Palabras clave: | HPLC Phytoplankton Picoplankton Pigments Prasinophytes |
Fecha de publicación: | 2016 | Editor: | John Wiley & Sons | Citación: | Journal of Phycology 52(1): 148-155 (2016) | Resumen: | The ecological importance and diversity of pico/nanoplanktonic algae remains poorly studied in marine waters, in part because many are tiny and without distinctive morphological features. Amongst green algae, Mamiellophyceae such as Micromonas or Bathycoccus are dominant in coastal waters while prasinophytes clade VII, yet not formerly described, appear to be major players in open oceanic waters. The pigment composition of 14 strains representative of different subclades of clade VII was analyzed using a method that improves the separation of loroxanthin and neoxanthin. All the prasinophytes clade VII analyzed here showed a pigment composition similar to that previously reported for RCC287 corresponding to pigment group prasino-2A. However, we detected in addition astaxanthin for which it is the first report in prasinophytes. Among the strains analyzed, the pigment signature is qualitatively similar within subclades A and B. By contrast, RCC3402 from subclade C (Picocystis) lacks loroxanthin, astaxanthin, and antheraxanthin but contains alloxanthin, diatoxanthin, and monadoxanthin that are usually found in diatoms or cryptophytes. For subclades A and B, loroxanthin was lowest at highest light irradiance suggesting a light-harvesting role of this pigment in clade VII as in Tetraselmis | Descripción: | 8 páginas, 2 tablas, 3 figuras | Versión del editor: | http://dx.doi.org/10.1111/jpy.12376 | URI: | http://hdl.handle.net/10261/129034 | DOI: | 10.1111/jpy.12376 | ISSN: | 0022-3646 | E-ISSN: | 1529-8817 |
Aparece en las colecciones: | (IIM) Artículos |
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Photosynthetic_pigments_oceanic.pdf | 337,32 kB | Adobe PDF | Visualizar/Abrir |
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