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Among Cohn’s most striking contributions was his discovery of the formation and germination of spores (called endospores) in certain bacteria, particularly in Bacillus subtilis. He was also the first to note endospores’ resistance to high temperatures, and by his observations he was able to refute contemporary experiments that seemed to ...
Among other things Cohn is remembered for being the first to show that Bacillus can change from a vegetative state to an endospore state when subjected to an environment deleterious to the vegetative state.
Jul 1, 2000 · Ferdinand Cohn (1828–1898), a pioneer in the developmental biology of lower plants, considerably promoted the taxonomy and physiology of bacteria, discovered the heat-resistant endospores of bacilli, and was active in applied microbiology.
- Gerhart Drews
- 2000
Jul 7, 2016 · The existence of bacterial endospores was recognized in the 1800s by both Maximilian Perty and Louis Pasteur, and spore formation and germination in Bacillus were reported by Ferdinand Cohn and by Robert Koch.
- Tina M. Henkin
- 2016
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Overview. Ferdinand Julius Cohn (1828-1898) is recognized as one of the founders of modern bacteriology. He contributed to the creation of this discipline in two important ways. First, he invented a new system for classifying bacteria, which provided microbiologists with a more standardized nomenclature with which to work.
Thermo-resistant endospores were first hypothesized by Ferdinand Cohn after studying Bacillus subtilis growth on cheese after boiling the cheese. His notion of spores being the reproductive mechanism for the growth was a large blow to the previous suggestions of spontaneous generation.
