Proton-dependent transporter gene lndJ confers resistance to landomycin E in Streptomyces globisporus 1912

Proton-dependent transporter gene lndJ confers resistance to landomycin E in Streptomyces... Sequence analysis of 2 kb BamHI-SmaI fragment of landomycin E (LaE) gene cluster in Streptomyces globisporus 1912 revealed one complete ORF marked as lndJ. Analysis of putative lndJ aminoacid sequence allowed us to suppose that it is proton-dependent antiporter which could be involved in resistance to LaE in the producing strain. Although disruption of lndJ had no significant influence on LaE production and resistance, its overexpression in wild type and LaE overproducing strains led to qualitative changes in landomycins biosynthesis and increased resistance to LaE. These data support the hypothesis about involvement of lndJ gene in landomycins export. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Proton-dependent transporter gene lndJ confers resistance to landomycin E in Streptomyces globisporus 1912

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2007 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795407080030
Publisher site
See Article on Publisher Site

Abstract

Sequence analysis of 2 kb BamHI-SmaI fragment of landomycin E (LaE) gene cluster in Streptomyces globisporus 1912 revealed one complete ORF marked as lndJ. Analysis of putative lndJ aminoacid sequence allowed us to suppose that it is proton-dependent antiporter which could be involved in resistance to LaE in the producing strain. Although disruption of lndJ had no significant influence on LaE production and resistance, its overexpression in wild type and LaE overproducing strains led to qualitative changes in landomycins biosynthesis and increased resistance to LaE. These data support the hypothesis about involvement of lndJ gene in landomycins export.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Aug 30, 2007

References

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