FINE STRUCTURE OF BIFLAGELLATE ZOOSPORES OF ASTEROCOCCUS SUPERBUS (TETRASPORALES, CHLOROPHYCEAE), INCLUDING THE ABSOLUTE CONFIGURATION OF THE FLAGELLAR APPARATUS

The ultrastructure of zoospores of Asterococcus superbus (Cienk.) Scherffel was studied to provide ultrastructural data relevant to the systematic position of the genus. Our results demonstrated that the motile cells of A. superbus were similar to those of the tetrasporalean algae, such as Tetraspor...

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Veröffentlicht in:Journal of phycology. - 1966. - 36(2000), 4 vom: 26. Aug., Seite 714-722
1. Verfasser: Leonardi, Patricia I (VerfasserIn)
Weitere Verfasser: Rodríguez, María C, Cáceres, Eduardo J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2000
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Asterococcus superbus Asterococcus  Chlamydomonadales Tetrasporales Volvocales absolute configuration fine structure flagellar apparatus pyrenoid zoospores
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245 1 0 |a FINE STRUCTURE OF BIFLAGELLATE ZOOSPORES OF ASTEROCOCCUS SUPERBUS (TETRASPORALES, CHLOROPHYCEAE), INCLUDING THE ABSOLUTE CONFIGURATION OF THE FLAGELLAR APPARATUS 
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520 |a The ultrastructure of zoospores of Asterococcus superbus (Cienk.) Scherffel was studied to provide ultrastructural data relevant to the systematic position of the genus. Our results demonstrated that the motile cells of A. superbus were similar to those of the tetrasporalean algae, such as Tetraspora sp. and Tetrasporidium javanicum Moebius. The flagellar apparatus of A. superbus had the same clock-wise orientation of basal bodies and the V-shaped alignment of basal bodies as Tetraspora cylindrica (Wahlb.) Ag. and T. lubrica (Roth) Ag., but differed by having rhizoplasts. The motile cells of A. superbus displayed chlamydomonadal ultrastructure, similar to Chlamydomonas reinhardtii Dangeard, including the absolute configuration of the flagellar apparatus. The pyrenoid matrix in A. superbus, however, showed a large lateral invagination occupied by chloroplast stroma, a characteristic that has never been observed in Chlorophyta 
650 4 |a Journal Article 
650 4 |a Asterococcus superbus 
650 4 |a Asterococcus  
650 4 |a Chlamydomonadales 
650 4 |a Tetrasporales 
650 4 |a Volvocales 
650 4 |a absolute configuration 
650 4 |a fine structure 
650 4 |a flagellar apparatus 
650 4 |a pyrenoid 
650 4 |a zoospores 
700 1 |a Rodríguez, María C  |e verfasserin  |4 aut 
700 1 |a Cáceres, Eduardo J  |e verfasserin  |4 aut 
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