數種 抗菌劑 處理에 依한 Escherichia coli의 微細構造 變化
Cytological Changes Associated with the Exposure of Escherichia coli to Several Disinfectants: An Ultrastructural Study
膝永健, 高春明, 金聖光,
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膝永健 ( )
延世醫大 電子顯微鏡室
高春明 ( )
延世醫大 微生物學敎室
金聖光 ( )
延世醫大 微生物學敎室
KMID : 0357319760110010001
Abstract
An electron microscopic study has been made of the effects of change of cell structure of Escherichia coli treated with several disinfectants.
The alterations observed as follows:
1. Nucleoid, cytoplasm which contain ribosome and cell wall appeared to be composed of a parallel triple-layered membrane can observed in control Escherichia coli.
2. T he nuclear .material was no longer demonstrable in its normal sites. The cytoplasm lost its granularity, became homogeneous and disruption of cell wall were observed by the treatment with 70% ethyl alcohol and 3% H´O´.
3. Aggregation of ribosome and condensation of nuclear material were also observed by the treatment of 5% Lysol solution and 1% dodecyl-diamino-ethyl-glycin-hydrochloride.
4. In autoclaved group, the each layer of cell wail was -separated and destroyed in some sites where cytoplasm was extracted.
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