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Ectocarpus siliculosus.jpg
E. siliculosus, from the Brockhaus and Efron Encyclopedic Dictionary (1890-1907)
Scientific classification
(unranked): SAR
Superphylum: Heterokonta
Class: Phaeophyceae
Order: Ectocarpales
Family: Ectocarpaceae
Genus: Ectocarpus
Lyngbye 1819

Ectocarpus is a genus of filamentous brown alga (Heterokontophyta) that is a model organism for the genomics of multicellularity. Among possible model organisms in the brown algae, Ectocarpus was selected for the relatively small size of its mature thallus and the speed with which it completes its life cycle.[1] The type species for the genus is Ectocarpus siliculosus (Dillwyn) Lyngbye.[2]

List of species[edit]

Some currently accepted species of Ectocarpus include:


  1. ^ Dieter G. Müller, Markus Kapp, Rolf Knippers, Viruses in Marine Brown Algae, In: Karl Maramorosch, Frederick A. Murphy and Aaron J. Shatkin, Editor(s), Advances in Virus Research, Academic Press, 1998, Volume 50, Pages 49-67, ISSN 0065-3527, ISBN 9780120398508, doi:10.1016/S0065-3527(08)60805-2.
  2. ^ AlgaeBase

Further reading[edit]

Ahmed, Sophia; Cock, J. Mark; Pessia, Eugenie (8 September 2014). "A Haploid System of Sex Determination in the Brown Alga Ectocarpus sp.". Current Biology. 24 (17): 1945–1957. doi:10.1016/j.cub.2014.07.042. Retrieved 9 February 2015. 

Prigent, Sylvian (10 October 2014). "The genome-scale metabolic network of Ectocarpus siliculosus (EctoGEM): a resource to study brown algal physiology and beyond". Plant Journal. 80 (2): 367–381. doi:10.1111/tpj.12627. Retrieved 13 February 2015. 

External links[edit]

The life history is an isomorphic to slightly heteromorphic alternation of generations, but asexual strains also exist.