生物
厚壁菌
梭菌目
梭菌
梭状芽孢杆菌
微生物学
生物化学
发酵
16S核糖体RNA
细菌
遗传学
基因
出处
期刊:Bergey's Manual of Systematics of Archaea and Bacteria
日期:2015-09-14
卷期号:: 1-7
被引量:3
标识
DOI:10.1002/9781118960608.gbm00718
摘要
Se.di.men.ti.bac'ter. N.L. masc. n. sedimentum sediment; N.L. n. bacter masc. equivalent of Gr. neut. dim. n. bakterion rod or staff; N.L. masc. n. Sedimentibacter rod from sediment, referring to its origin. Firmicutes / “Clostridia” / Clostridiales / incertae Sedis ‐ Family I / Sedimentibacter Slightly curved rod‐shaped cells found singly or in chains , 0 . 35 × 7 µm , oval spores formed from terminal swollen sporangia. Gram‐stain‐positive or ‐negative. Motile by means of peritrichous flagella . Strict anaerobe. Growth between 12 and 41°C with optimal growth at 33–37°C. pH optimum 7–8.2. Growth requires yeast extract and is supported by the fermentation of pyruvate or of amino acids in a Stickland‐type reaction . H 2 not produced . Carbohydrates not fermented . Purines including uric acid , adenine , hypoxanthine , guanine , and xanthine are not utilized . Catalase and urease are absent. The cell‐wall type is A1α ( L ‐lysine, direct). Menaquinones are not present. The genus represents a separate line of descent within the Peptostreptococcaceae according to 16S rRNA gene sequence analysis. DNA G + C content ( mol %): 34–35.5. Type species : Sedimentibacter hydroxybenzoicus (Zhang, Mandelco and Wiegel 1994) Breitenstein, Wiegel, Haertig, Weiss, Andreesen and Lechner 2002, 806 VP ( Clostridium hydroxybenzoicum Zhang, Mandelco and Wiegel 1994, 218).
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