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1
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Spine-reduced
three spine stickleback, Gasterosteus aculeatus showing heavy infection
with vegetative cysts of Haidadinium icthyophilum. Arrows indicate
concentrations of cysts on dorsal surface, operculum and eye. Scale bar
= 1cm. |
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2
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Vegetative
cyst (VC) of H. icthyophilum forms trophont (T) by extension of stalk-like
organelle (arrow), which attaches to algal filament. Scale bar = 10m m. |
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3
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Lobose
amoeba of H. icthyophilum, with several extende lobopodia (arrows) phagocytoses
bacteria (B). Scale bar = 10m m. |
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4
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Transmission
electron micrograph of dinokaryotic nucleus of newly formed vegetative
cyst, showing condensed chromosomes (C). Scale bar= 0.5 m m |
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5
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Rhizopodial
amoeba with fine rhizopods (R). Note engulfed spiral bacterium (arrow).
Scale bar = 1m m |
