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FEMS Microbiol Lett. 1991 Jul 1;65(3):317-22.

The respiratory response to heat shock in Neurospora crassa.

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Department of Plant Biology, University of Minnesota, Saint Paul 55108.


A sharp decrease in oxygen uptake occurred in Neurospora crassa cells that were transferred from 30 degrees C to 45 degrees C, and the respiration that resumed later at 45 degrees C was cyanide-insensitive. Energization of mitochondria, measured in vivo with fluorescence microscopy and a carbocyanine dye, also declined sharply in cells at 45 degrees C. Electron microscopy showed no changes in mitochondrial complexity; however, the cytoplasm of heat-shocked cells was deficient in glycogen granules.

[Indexed for MEDLINE]

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