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Int. J. Mol. Sci. 2010, 11(2), 507-520; doi:10.3390/ijms11020507
Article

Bacillus marcorestinctum sp. nov., a Novel Soil Acylhomoserine Lactone Quorum-Sensing Signal Quenching Bacterium

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Received: 7 December 2009; in revised form: 18 January 2010 / Accepted: 20 January 2010 / Published: 3 February 2010
(This article belongs to the Special Issue Cladistic Analysis and Molecular Evolution)
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Abstract: A Gram-positive, facultatively anaerobic, endospore-forming and rod-shaped bacterium was isolated from soil samples and designated strain LQQ. This organism strongly quenches the acylhomoserine lactone quorum-sensing signal. The LQQ strain exhibits phenotypic characteristics consistent with its classification in the genus Bacillus. It is positive in catalase and no special growth factor is needed. It uses glucose as sole carbon source. The DNA G + C content is 39.8 mol %. The closest relatives based on the 16S rRNA gene sequence are Bacillus anthracis, Bacillus thuringiensis, and Brevibacillus brevis (syn. Bacillus brevis) with the similarity of 96.5%. The DNA–DNA hybridization data indicates a low level of genomic relatedness with the relative type strains of Bacillus thuringiensis (6.1%), Bacillus anthracis (10.5%) and Brevibacillus brevis (8.7%). On the basis of the phenotypic and phylogenetic data together with the genomic distinctiveness, the LQQ strain represents a novel species of the genus Bacillus, for which the name Bacillus marcorestinctum sp. nov. is proposed. The type strain is LQQT.
Keywords: Bacillus marcorestinctum; quorum sensing; quench; autoinducer; isolation Bacillus marcorestinctum; quorum sensing; quench; autoinducer; isolation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Han, Y.; Chen, F.; Li, N.; Zhu, B.; Li, X. Bacillus marcorestinctum sp. nov., a Novel Soil Acylhomoserine Lactone Quorum-Sensing Signal Quenching Bacterium. Int. J. Mol. Sci. 2010, 11, 507-520.

AMA Style

Han Y, Chen F, Li N, Zhu B, Li X. Bacillus marcorestinctum sp. nov., a Novel Soil Acylhomoserine Lactone Quorum-Sensing Signal Quenching Bacterium. International Journal of Molecular Sciences. 2010; 11(2):507-520.

Chicago/Turabian Style

Han, Yan; Chen, Fang; Li, Nuo; Zhu, Bo; Li, Xianzhen. 2010. "Bacillus marcorestinctum sp. nov., a Novel Soil Acylhomoserine Lactone Quorum-Sensing Signal Quenching Bacterium." Int. J. Mol. Sci. 11, no. 2: 507-520.



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