IUBio

heat-resistant ascospores

Chris Michiels chris.michiels at agr.kuleuven.ac.be
Mon Jul 7 13:59:56 EST 1997


Are there any studies in the scientific literature about the causes of 
heat resistance in some fungal ascospores (e.g. Byssochlamys fulva)? 
Perhaps an important mechanism could be dehydration of the ascospore 
protoplast, as is the case for bacterial endospores (e.g. Bacillus spp.), 
but has this been demonstrated? Is there an accumulation of protective 
solutes? Are there differences in the composition of the ascospore wall 
compared to non-heat resistant ascospores? Are there ultrastructural 
differences that can be seen by TEM?

Chris Michiels
Lab. Food Microbiology
K.U.Leuven
Kard. Mercierlaan 92
B-3001 Heverlee
Belgium



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