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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Isolation and structural analysis of the phospho-beta-galactosidase gene from Streptococcus lactis Z268.

A 4.4-kb XhoI fragment of Streptococcus lactis L13 (Z268) lactose plasmid pUCL13, containing the beta-D-phosphogalactoside galactohydrolase (P-beta Gal; EC 3.2.1.85)-coding gene has been cloned in Escherichia coli. Further subcloning and deletion of this fragment allowed localization of the P-beta Gal-coding gene (pbg) on a minimal 1.8-kb segment. Expression of P-beta Gal activity was constitutive and was not regulated by glucose in E. coli. The presence of P-beta Gal activity was correlated with the production of a 56.5-kDa protein in E. coli minicells. The nucleotide sequence of the cloned gene was determined and potential promoter structural elements were identified.[1]

References

  1. Isolation and structural analysis of the phospho-beta-galactosidase gene from Streptococcus lactis Z268. Boizet, B., Villeval, D., Slos, P., Novel, M., Novel, G., Mercenier, A. Gene (1988) [Pubmed]
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