Endocytic uptake of Escherichia coli spheroplasts by Neurospora crassa slime cells |
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| Authors: | N Tanaka Y Fukunaga S Hasezawa K Syono C Matsui |
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| Institution: | (1) Plant Pathology Laboratory, Faculty of Agriculture, Nagoya University, Nagoya, Japan;(2) Department of Biology, School of Science, Nagoya University, Nagoya, Japan;(3) Department of Pure and Applied Sciences, University of Tokyo, Komaba, Japan |
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| Abstract: | Summary Interaction of Escherichia
coli spheroplasts with Neurospora
crassa slime cells was examined by transmission electron microscopy after treatment with polyvinyl alcohol followed by dilution with the high pH-high Ca buffer. Bacterial spheroplasts were found either adhering to the flat surface, associating with the invaginating surface, or residing within the intracellular vesicle of fungal protoplasts. In addition, bacterial spheroplasts free of the surrounding vesicles and those in the course of breakdown were observed in the fungal cytoplasm. It was concluded that Escherichia
coli spheroplasts are taken up by Neurospora
crassa protoplasts almost exclusively via endocytosis. This is the first cytological evidence for the endocytic activity of fungal cells. |
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