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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
1990-10-11
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pubmed:abstractText |
We have inserted a DNA fragment composed of (i) the promoter and the export signal of the Bacillus subtilis levansucrase gene; (ii) the sequence encoding the mature part of the Clostridium thermocellum endoglucanase A gene in a specific site of the B. subtilis chromosome. The insert was flanked by directly repeated pBR322 sequences of 3.9 kb. Plasmid pE194, which has a thermosensitive replication, was integrated adjacent to one of the repeats. When the integrated plasmid was allowed to replicate, the insert and one of the repeats was amplified up to a level of about 250 copies per chromosome. Endoglucanase A was efficiently synthesized in, and secreted from, cells containing the amplified structure, since the heterologous fusion protein was the major extracellular protein in a B. subtilis sacUh strain. The NH2-terminal sequence of the secreted protein revealed three different cleavage sites in the vicinity of the signal peptidase recognition sequence.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
B
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0733-222X
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
8
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
559-63
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:1367437-Amino Acid Sequence,
pubmed-meshheading:1367437-Bacillus subtilis,
pubmed-meshheading:1367437-Cellulase,
pubmed-meshheading:1367437-Clostridium,
pubmed-meshheading:1367437-DNA, Bacterial,
pubmed-meshheading:1367437-DNA Replication,
pubmed-meshheading:1367437-Gene Amplification,
pubmed-meshheading:1367437-Molecular Sequence Data,
pubmed-meshheading:1367437-Protein Sorting Signals
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pubmed:year |
1990
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pubmed:articleTitle |
Hypersecretion of a cellulase from Clostridium thermocellum in Bacillus subtilis by induction of chromosomal DNA amplification.
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pubmed:affiliation |
Laboratoire de Génétique Microbienne, Institut de Biotechnologie, INRA, Jouy en Josas, France.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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