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. 2019 Dec 26;18(1):23. doi: 10.3390/md18010023

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Agarose gel electrophoresis showing the PCR-amplified products from the Quorum quenching (QQ) genes. (A) Amplification of the AiiA gene from B. thuringiensis QQ1 (lane 1), B. cereus QQ2 (lane 2), and B. thuringiensis QQ3 (lane 3) with a product size ~750 bp. (B) Partial amplification of the YtnP gene from Bacillus sp. QQ4 (lane 1, expected amplicon size ~530 bp). (C) Partial amplification of the acylase gene homolog from S. algae (PCR product size ~820 bp, lane 1). M stands for marker and -ve for negative control.