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Selection of the Nitrite-Accumulating Bacteria by a Plating Method

藉固體培養法篩選「亞硝酸產生細菌」之研究

摘要


利用對亞硝酸特別敏感之假單胞桿菌菌株,以固體培養皿法,從事亞硝酸產生細菌的篩選研究。根據結果,水田、池塘以及水溝的樣品中,每毫升約含有2X10^2到5X10^3的亞硝酸產生細菌,其中大多數屬於腸內桿菌,此結果顯示腸內桿菌產生亞硝酸的活性強於其他細菌。

關鍵字

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並列摘要


A plating method by using a nitrite-sensitive pseudomonad as indicatory cell was established for the selection of the nitrite-accumulating bacteria. The population of these bacteria in paddyfield water, pond or ditch is usually in a range from 2x10^2/ml to 5x10^3/ml. Many of them were identified as Enterobacter, Salmonella, Klebsilla, Proteus, Serratia, Escherichia or Citrobacter. The result suggested that the enteric rods having a higher potential to accumulate nitrite than the other bacteria.

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