Chitinase inhibitor allosamidin promotes chitinase production of Streptomyces generally.

Chitinase inhibitor allosamidin promotes chitinase production of Streptomyces generally. Research Abstract Details 

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Chitinase inhibitor allosamidin promotes chitinase production of Streptomyces generally. Abstract Text:

Allosamidin is a family 18 chitinase inhibitor produced by Streptomyces. In its producing strain, Streptomyces sp. AJ9463, allosamidin promotes production of the family 18 chitinase originated from chi65 in a chitin medium through the two-component regulatory system encoded by chi65R and chi65S, which were present at the 5'-upstream region of chi65. In this study, we showed generality of the allosamidin's effect. Allosamidin enhanced production of the family 18 chitinases originated from chi65h of Streptomyces halstedii MF425, another allosamidin producer, chiC of Streptomyces coelicolor A3(2) and chiIII of Streptomyces griseus. All the three chitinase genes had high homology to chi65 and two genes homologous to chi65S and chi65R were present at their 5'-upstream regions. When allosamidin's effect was tested with six Streptomyces strains randomly isolated from soil, allosamidin enhanced chitinase production of all strains. All six strains possessed a set of three genes homologous to chi65, chi65S and chi65R. Analysis of 16S rDNA indicated that allosamidin-sensitive strains are distributed widely in Streptomyces. These observations suggested that allosamidin can affect the common regulatory system for production of a chitinase with a two-component regulatory system in Streptomyces.

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Chitinase inhibitor allosamidin promotes chitinase production of Streptomyces generally. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: International journal of biological macromolecules

VOLUME: 43

Page Numbers: 13-9

Journal Abbreviation: Int. J. Biol. Macromol.

ISSN: 0141-8130

DAY: 29

MONTH: 09

YEAR: 2007

Chitinase inhibitor allosamidin promotes chitinase production of Streptomyces generally. Information

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LANGUAGE: eng

NlmUniqueID: 7909578

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Grant and Affiliation Information for Chitinase inhibitor allosamidin promotes chitinase production of Streptomyces generally.

AFFILIATION: Department of Applied Biological Chemistry, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan.

Country: England

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MEDLINETA: Int J Biol Macromol

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