Numerical cluster analysis of the coryneform bacteria from activated sludge

Zentralblatt für Bakteriologie: I. Abt. Originale C: Allgemeine, angewandte und ?kologische Mikrobiologie Pub Date : 1980-12-01 DOI:10.1016/S0172-5564(80)80032-7

H. Seiler , R. Braatz , G. Ohmayer

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引用次数: 24

Abstract

Two hundred and seventy-three strains of coryneform bacteria mainly isolated from activated sludge were tested for 135 physiological characters. In addition, one hundred and ten named reference strains were included for comparison. The data were subjected to numerical analysis. The results showed that the strains clustered into 5 groups, each of which consisted of several subgroups. The isolates were identified as members of the genera Arthrobacter, Nocardia, Mycobacterium, Rhodococcus, Microbacterium, Cellulomonas, Curtobacterium and Corynebacterium. The bacterial flora of the activated sludge from dairy sewage mainly consisted of strains of the genera Corynebacterium, Microbacterium and Rbodococcus. That of sludge from municipal sewage predominantly comprised strains of the genera Arthrobacter, Corynebacterium and Microbacterium. Twenty-five of the tests used were found to be particularly useful in discriminating between the main clusters. When the strains were retested and classified on the basis of these tests, the resultant groupings were very similar to those obtained in the full analysis.

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活性污泥棒状细菌的数值聚类分析

对主要从活性污泥中分离得到的273株棒状细菌进行了135项生理特性试验。此外，还纳入了110株命名的参考菌株进行比较。对这些数据进行了数值分析。结果表明，该菌株可分为5个类群，每个类群由几个亚群组成。分离株经鉴定为节杆菌属、诺卡菌属、分枝杆菌属、红球菌属、微杆菌属、纤维素单胞菌属、乳杆菌属和棒状杆菌属。乳业污水活性污泥的菌群主要由棒状杆菌属、微杆菌属和红球菌属组成。城市污水污泥主要由节杆菌属、棒状杆菌属和微杆菌属组成。所使用的25个测试被发现在区分主要群集方面特别有用。当这些菌株在这些测试的基础上重新测试和分类时，所得的分组与在完整分析中获得的分组非常相似。

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Zentralblatt für Bakteriologie: I. Abt. Originale C: Allgemeine, angewandte und ?kologische Mikrobiologie

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