嗜冷微生物（psychrophile）是一种最低生长温度0 ℃以下，最适生长温度 ≦15 ℃，最高生长温度20℃左右的细菌，一般生长在地球两极，海洋深处。还有种兼性嗜冷菌，能在0 ℃生长，但最适生长温度 20℃~40 ℃。常见于冷水，土壤，冰箱变质腐败的食物中，是影响冰箱中食物变质的的主要微生物类群。
低温微生物的分布非常广泛，研究应用较多的主要是嗜冷菌和耐冷菌。
Halophilic Microorganism is widely distributed in globe, among which Psychropliles and Psychrotrophs have been much more studied.
低温微生物的分布非常广泛，研究应用较多的主要是嗜冷菌和耐冷菌。
Halophilic Microorganism is widely distributed in globe, among them Psychropliles and Psychrotrophs have been much more studied.
低温微生物及其代谢产物特别是嗜冷酶已开始在环保、纺织和食品工业等领域得到广泛应用。
Halophilic Microorganism, especially one of its products Cold Tolerant Enzyme, has been widely used to environment protection, textile and food industry.
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