Plasmodiophorid Zoospores

Zoospores of plasmodiophorids have two whiplash flagella of unequal lengths. Primary zoospores are released from resting spores upon germination. Secondary zoospores are formed in thin-walled sporangia (a. k. a. zoosporangia).

Images of Plasmodiophorid Zoospores

• Spongospora zoospores, LMG
• Spongospora sporangial lobes with zoospores, TEMG
• Spongospora zoospore, TEMG
• Spongospora zoospore flagella, TEMG
• Polymyxa zoospore, TEMG
• Plasmodiophora sporangial lobes with zoospores, TEMG
• Diagram of zoospore

References for Plasmodiophorid Zoospores

• Aist, J. R. & P. H. Williams. 1971. The cytology and kinetics of cabbage root hair penetration by Plasmodiophora brassicae Wor. Can. J. Bot. 49: 2023-2034.
• Barr, D. J. S. & P. M. E. Allan. 1982. Zoospore ultrastructure of Polymyxa graminis (Plasmodiophoromycetes). Can. J. Bot. 60: 2496-2504.
• Buczacki, S. T. & C. M. Clay. 1984. Some observations on secondary zoospore development in Plasmodiophora brassicae. Trans. Br. Mycol. Soc. 82: 339-344.
• D'Ambra, V. & R. Locci. 1971. Scanning electron microscopy investigations on Polymyxa betae Keskin. Riv. Pat. Veg., Ser. IV, 7: 43-57.
• Kole, A. P. & A. J. Gielink. 1961. Electron microscope observations on the flagella of the zoosporangial zoospores of Plasmodiophora brassicae and Spongospora subterranea. Proc. Acad. Sci. Amsterdam Ser. C, 64: 157-161.
• Merz, U. 1992. Observations on swimming pattern and morphology of secondary zoospores of Spongospora subterranea. Plant Pathology 41: 490-494.
• Talley, M. R., C. E. Miller, & J. P. Braselton. 1978. Notes on the ultrastructure of zoospores of Sorosphaera veronicae. Mycologia 70: 1241-1247.