TRANSCRIPTIONALLY ACTIVE REGIONS IN THE GENOME OF THE ARCHAEBACTERIUM HALOFERAX-VOLCANII

被引:11
作者
TRIESELMANN, BA [1 ]
CHARLEBOIS, RL [1 ]
机构
[1] UNIV OTTAWA,DEPT BIOL,30 MARIE CURIE PRIV,OTTAWA K1N 6N5,ONTARIO,CANADA
关键词
D O I
10.1128/jb.174.1.30-34.1992
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Transcriptionally active regions of the Haloferax volcanii genome were mapped by hybridization of radiolabeled cDNA to Southern blots of our minimal set of overlapping cosmid clones covering 96% of the 4.1-Mbp genome. Transcription during exponential growth occurred in nearly every region of the 2,920-kbp chromosome. Large parts of the 690- and the 86-kbp plasmids were transcribed, but the 440-kbp plasmid showed little expression. Transcription after a 40-min heat shock at 65-degrees-C was generally reduced, apart from a small set of strongly expressed loci all situated on the chromosome.
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页码:30 / 34
页数:5
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