Acetobacterium wieringae sp. nov., a new species producing acetic acid from molecular hydrogen and carbon dioxide

Zentralblatt für Bakteriologie Mikrobiologie und Hygiene: I. Abt. Originale C: Allgemeine, angewandte und ?kologische Mikrobiologie Pub Date : 1982-07-01 DOI:10.1016/S0721-9571(82)80017-3

Manfred Braun , Gerhard Gottschalk

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引用次数: 59

Abstract

An anaerobic, chemolithotrophic, acetogenic bacterium has been isolated from the sewage digestor in Göttingen. The Gram positive cells were rod shaped and showed subterminal flagellation. The organism grew chemolithotrophically with H₂ and CO₂ forming acetic acid as the sole end product. The optimal temperature for growth was 30 °C and the optimal pH for chemolithotrophic growth was about 7.6. The doubling time under these conditions was less than 10 h. D-fructose or D,L-lactate served as organic substrates. The DNA contained 43 mol% guanine plus cytosine.

As compared to Acetobacterium woodii the substrate spectrum of the new isolate was more restricted, e.g. glucose was not fermented. DNA-DNA-hybridization experiments showed only a 34% homology of the DNAs of A. woodii and the new isolate. Therefore, the new isolate is described as a new species, Acetobacterium wieringae, in honour of K. T. Wieringa who first isolated and described Clostridium aceticum.

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wieringae sp. nov.，一种利用分子氢和二氧化碳产生乙酸的新种

从Göttingen的污水消化池中分离出一种厌氧、趋化养、产醋细菌。革兰氏阳性细胞呈棒状，呈下鞭毛状。该生物以趋化营养方式生长，H2和CO2形成醋酸是唯一的最终产物。最适生长温度为30℃，最适pH为7.6左右。在这些条件下加倍时间小于10 h。D-果糖或D, l -乳酸作为有机底物。DNA含有43% mol%的鸟嘌呤和胞嘧啶。与伍地乙杆菌相比，新分离物的底物光谱受到更多限制，例如葡萄糖不发酵。dna - dna杂交实验表明，该菌株与新分离株的dna同源性仅为34%。因此，为纪念首次分离和描述醋酸梭菌(Clostridium aceticum)的K. T. Wieringa，将该新分离物命名为醋酸杆菌(Acetobacterium wieringae)新种。

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

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