Biotechnology Bulletin ›› 2016, Vol. 32 ›› Issue (3): 142-147.doi: 10.13560/j.cnki.biotech.bull.1985.2016.03.023

• Research report • Previous Articles     Next Articles

Detection of Quorum Sensing Signal Molecules in Vibrio anguillarum Isolated From Litopenaeus vannamei

PAN Yu-rong, ZHANG Cai-li, ZHU Su-qin, SUN Xiu-jiao, ZENG Ming-yong   

  1. College of Food Science and Engineering, Ocean University of China, Qingdao 266003
  • Received:2015-03-16 Online:2016-03-24 Published:2016-03-25

Abstract: The aim of the present study was to detect and analyze quorum sensing of Vibrio anguillarum(VA)isolated from spoiled Litopenaeus vannamei. AHLs activities of VA were detected by reporter strains(Chromobacterium violaceum CV026 and Agrobacterium tumefaciens A136)combined with TLC method. Report strains V. harveyi JMH597 and V. harveyi JAF375 were used to detect the activity of AI-2 and CAI-1. The result indicated that AHLs(3-OH-C6-HSL, C8-HSL and 3-oxo-C8-HSL)、AI-2 and CAI-1 were secreted by VA andthe activity of the signal molecules were density-dependent.

Key words: Vibrio anguillarum, Quorum sensing, AHLs, AI-2, CAI-1

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