Summary
The kinetosome-flagellum base ofThraustochytrium sp. has several ultrastructural features that are unique among the fungi studied thus far. Within the lumen formed by the kinetosome fibrils are two kinds of electron opaque areas. Near the proximal end of the kinetosome is an electron opaque granule or core. Distal to this core is an area where electron opaque substances are found concentrated between adjacent triplet fibrils. Proximal to the terminal plate is an electron opaque disc, the basal disc, whith its complex arrangment of fibrous material, is unlike any reported thus far among the fungi. The nine peripheral flagellar fibrils are surrounded by electron opaque material in a region just distal to the terminal plate.
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Contribution No. 444, Virginia Institute of Marine Science, Gloucester Point, Virginia 23062, U.S.A.
Supported in part by National Science Foundation Grant # GA-31014 to Dr. Frank O. Perkins.
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Kazama, F. Ultrastructure ofThraustochytrium sp. zoospores. Archiv. Mikrobiol. 83, 179–188 (1972). https://doi.org/10.1007/BF00645119
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DOI: https://doi.org/10.1007/BF00645119