Jamuna Bai, A. and Ravishankar Rai, V. (2016) Effect of small chain N acyl homoserine lactone quorum sensingsignals on biofilms of food-borne pathogens. Journal of Food Science and Technology, 53 (9). pp. 3609-3614. ISSN 0975-8402
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Quorum sensing or cell to cell communicationwhich includes inter- and intra-cellular communication hasbeen implicated in the production of virulence factor andformation of biofilm in food-borne pathogens. In the pre-sent study, the effect of quorum sensing signals on thebiofilms of food-borne pathogens has been elucidated.N-butryl homoserine lactone and N-hexanoyl homoserinelactone belonging to acyl homoserine lactone (AHL)family of signaling molecules were investigated for theireffect on the biofilm formation (attachment and exopoly-meric substance production) in the food-borne pathogensEscherichia coli,Salmonella entericaserovar Typhimur-ium andVibrio parahemolyticus. The signaling moleculesat a concentration of 1lM were capable of increasingbiofilm formation in all the tested pathogens. There was anincrease in the attachment of the bacterial cells and bio-mass as observed by microtiter plate assay and exopoly-meric substances production in the biofilms in presence ofthe AHLs. Further, it needs to be elucidated if the effect ofAHLS on the biofilms ofE. coliandS. entericaserovarTyphimurium is SdiA dependent.
| Item Type: | Article |
|---|---|
| Subjects: | B Life Science > Microbiology |
| Divisions: | Department of > Microbiology |
| Depositing User: | Manjula P Library Assistant |
| Date Deposited: | 31 May 2019 07:08 |
| Last Modified: | 31 May 2019 07:08 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/745 |
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