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Bacteria in a biofilm colony have the capacity to monitor the size and growth conditions for the colony and modify their phenotypical behaviour to optimise attacks, defence, migration, etc. The quorum sensing systems controlling this involve production and sensing of diffusive signal molecules. Frequently, quorum sensing systems carry a positive feedback loop which produces a switch at a threshold size of the colony.
Deacon Thomas Edward Sams, 89, of Nortonville passed away into the loving arms of God at 12:20 p.m. Monday, Dec. 7, 2015, at Brighton Cornerstone Healthcare in Madisonville. He was born July 31, 1926, in St. Charles, son of the late Robert Sams and Mammie Nunn Sams. He was a member of Lively Stone Church of God of the Apostolic Faith in Nortonville, where he was a deacon and choir member. He retired from Fox Lumber Co. in Nortonville and was a Kentucky Colonel.
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