Molecular cloning of the leub genes from Mycobacterium bovis BCG and Mycobacterium tuberculosis

A gene responsible for the biosynthesis of leucine has been cloned by the complementation of the Escherichia coli leuB6 auxotroph mutant after transformation with the Mycobacterium bovis BCG genomic DNA library, which was constructed by ligating the partially digested BCG DNA with Sau3AI into the pU...

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Veröffentlicht in:Biochemistry and molecular biology international 1997-04, Vol.41 (4), p.657-663
Hauptverfasser: Han, Mi Young, Son, Mi Young, Lee, Seung‐Hwan, Kim, Jin Koo, Huh, Jae Suk, Kim, Jeong Hyun, Choe, In Seong, Chung, Tai Wha, Choe, Yong‐Kyung
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container_issue 4
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container_title Biochemistry and molecular biology international
container_volume 41
creator Han, Mi Young
Son, Mi Young
Lee, Seung‐Hwan
Kim, Jin Koo
Huh, Jae Suk
Kim, Jeong Hyun
Choe, In Seong
Chung, Tai Wha
Choe, Yong‐Kyung
description A gene responsible for the biosynthesis of leucine has been cloned by the complementation of the Escherichia coli leuB6 auxotroph mutant after transformation with the Mycobacterium bovis BCG genomic DNA library, which was constructed by ligating the partially digested BCG DNA with Sau3AI into the pUC 19 digested with BamHI. Sequencing of the leuB gene of BCG revealed an ORF (open reading frame) of 1,011 bp encoding isopropytmalate dehydrogenase with a calculated molecular weight of 42 kDa. The leuB gene of Mycobacterium tuberculosis isolated from Korean tuberculosis patient is shown to be identical to that of BCG except one bp.
doi_str_mv 10.1080/15216549700201701
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source Wiley Free Content; MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects 3-Isopropylmalate Dehydrogenase
Alcohol Oxidoreductases - genetics
Amino Acid Sequence
Base Sequence
BCG
Cloning, Molecular
Escherichia coli - genetics
Genes, Bacterial - genetics
Genetic Complementation Test
Humans
isopropylmalate dehydrogenase gene
Korea
leuB
Leucine - biosynthesis
M. tuberculosis
Molecular Sequence Data
Mycobacterium bovis - genetics
Mycobacterium tuberculosis - genetics
Restriction Mapping
Sequence Analysis, DNA
Sequence Homology, Nucleic Acid
Tuberculosis - microbiology
title Molecular cloning of the leub genes from Mycobacterium bovis BCG and Mycobacterium tuberculosis
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