Isolation of flagella from the archaebacterium Methanococcus voltae by phase separation with Triton X-114
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چکیده
منابع مشابه
Chemotaxis in the archaebacterium Methanococcus voltae.
The archaebacterium Methanococcus voltae, was shown to be chemotactic. Acetate, isoleucine, and leucine were identified as attractants; whereas histidine was not an attractant. A motile, generally nonchemotactic mutant was isolated.
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The general properties of the heat shock response of the archaebacterium Methanococcus voltae were characterized. The induction of 11 heat shock proteins, with apparent molecular weights ranging from 18,000 to 90,000, occurred optimally at 40 to 50 degrees C. Some of the heat shock proteins were preferentially enriched in either the soluble (cytoplasm) or particulate (membrane) fraction. Altern...
متن کاملRemoval of endotoxin from protein solutions by phase separation using Triton X-114.
Endotoxin contamination of protein solutions was reduced by a phase separation technique using the detergent, Triton X-114. Protein solutions containing endotoxin were treated with Triton X-114 on ice. The solution was then warmed to 37 degrees C, whereupon two phases formed. The Triton X-114 phase, containing the endotoxin, was precipitated by centrifugation. The first cycle of phase separatio...
متن کاملPhase separation of integral membrane proteins in Triton X-114 solution.
A solution of the nonionic detergent Triton X-114 is homogeneous at 0 degrees C but separates in an aqueous phase and a detergent phase above 20 degrees C. The extent of this detergent phase separation increases with the temperature and is sensitive to the presence of other surfactants. The partition of proteins during phase separation in solutions of Triton X-114 is investigated. Hydrophilic p...
متن کاملTermination of a transcription unit comprising highly expressed genes in the archaebacterium Methanococcus voltae.
The 3'termini of transcripts originating from genes organized in a highly expressed transcription unit were analyzed in the archaebacterium Methanococcus voltae. The putative termination signals were found in an AT-rich intergenic region following the 3'-terminal gene. The two detected signals both contain oligo(T) sequences. A possible stem/loop structure immediately precedes one of the oligo(...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1988
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.170.4.1752-1758.1988