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嗜热梭菌 SS8 菌株的特性:一种广泛的糖化嗜热菌。

Characteristics of Clostridium thermocellum strain SS8: A broad saccharolytic thermophile.

机构信息

Department of Microbiology, Osmania University, Hyderabad-7, India.

出版信息

World J Microbiol Biotechnol. 1991 Mar;7(2):272-5. doi: 10.1007/BF00329001.

DOI:10.1007/BF00329001
PMID:24424943
Abstract

Clostridium thermocellum SS8 produced both carboxymethylcellulase (CMCase) and Avicelase when grown on cellulose. CMCase activity was unaffected by Ca(2+), Mg(2+), dithionate or dithiothreitol (DTT). Avicelase activity increased 2-fold with 5 mM DTT and 10 mM Ca(2+). Cellulase and amylase were produced when a celluloseadapted culture was grown on starch. The mould grew best on sucrose and was inhibited by NaCl above 10 g/l.

摘要

嗜热梭菌 SS8 在纤维素上生长时会产生羧甲基纤维素酶 (CMCase) 和微晶纤维素酶 (Avicelase)。CMCase 活性不受 Ca(2+)、Mg(2+)、连二亚硫酸盐或二硫苏糖醇 (DTT) 的影响。Avicelase 活性在 5 mM DTT 和 10 mM Ca(2+)的作用下增加了 2 倍。当纤维素适应的培养物在淀粉上生长时,会产生纤维素酶和淀粉酶。该霉菌在蔗糖上生长最好,在 10 g/L 以上的 NaCl 中受到抑制。

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本文引用的文献

1
Cellulase production by a thermophilic clostridium species.嗜热梭菌属物种产生纤维素酶。
Appl Microbiol. 1975 Sep;30(3):346-53. doi: 10.1128/am.30.3.346-353.1975.
2
Relationship Between Substrate Concentration and Fermentation Product Ratios in Clostridium thermocellum Cultures.在产热梭菌培养物中基质浓度与发酵产物比例的关系。
Appl Environ Microbiol. 1984 May;47(5):1126-9. doi: 10.1128/aem.47.5.1126-1129.1984.
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The anaerobic thermophilic cellulolytic bacteria.厌氧嗜热纤维素分解菌
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Development of ethanol tolerance in Clostridium thermocellum: effect of growth temperature.嗜热栖热放线菌乙醇耐受性的发展:生长温度的影响
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Fermentation of cellulose and cellobiose by Clostridium thermocellum in the absence of Methanobacterium thermoautotrophicum.嗜热栖热菌在无嗜热自养甲烷杆菌情况下对纤维素和纤维二糖的发酵
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Cellulolytic and physiological properties of Clostridium thermocellum.嗜热栖热放线菌的纤维素分解及生理特性
Arch Microbiol. 1977 Jul 26;114(1):1-7. doi: 10.1007/BF00429622.