Document Detail

Maullinia ectocarpii gen. et sp. nov. (Plasmodiophorea), an intracellular parasite in Ectocarpus siliculosus (Ectocarpales, Phaeophyceae) and other filamentous brown algae.
MedLine Citation:
PMID:  11079768     Owner:  NLM     Status:  MEDLINE    
An obligate intracellular parasite infecting Ectocarpus spp. and other filamentous marine brown algae is described. The pathogen forms an unwalled multinucleate syncytium (plasmodium) within the host cell cytoplasm and causes hypertrophy. Cruciform nuclear divisions occur during early development. Mature plasmodia become transformed into single sporangia, filling the host cell completely, and then cleave into several hundred spores. The spores are motile with two unequal, whiplash-type flagella inserted subapically and also show amoeboid movement. Upon settlement, cysts with chitinous walls are formed. Infection of host cells is accomplished by means of an adhesorium and a stachel apparatus penetrating the host cell wall, and injection of the cyst content into the host cell cytoplasm. The parasite is characterized by features specific for the plasmodiophorids and is described as a new genus and species, Maullinia ectocarpii.
I Maier; E Parodi; R Westermeier; D G Müller
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Protist     Volume:  151     ISSN:  1434-4610     ISO Abbreviation:  Protist     Publication Date:  2000 Oct 
Date Detail:
Created Date:  2001-03-22     Completed Date:  2001-05-31     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9806488     Medline TA:  Protist     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  225-38     Citation Subset:  IM    
Fachbereich Biologie, Universität Konstanz, Germany.
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MeSH Terms
Algae, Brown / parasitology*
Cells, Cultured
Host-Parasite Interactions
Plasmodium / growth & development,  ultrastructure

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