Ersity of St. Andrews, St Andrews, Fife KY16 9ST, UK.Received: 17 October 2013 Accepted: 19 October 2013 Published: four November 2013 References Beloin C, Roux A, Ghigo JM (2008) Escherichia coli biofilms. Curr Top Microbiol Immunol 322:24989 Bhowmick PP, Devegowda D, Ruwandeepika HAD, Fuchs TM, Srikumar S, Karunasagar I, Karunasagar I (2011) gcpA (stm1987) is vital for cellulose production and biofilm formation on polystyrene surface by Salmonella enterica serovar Weltevreden in each higher and low nutrient medium. Microb Pathog 50:11422 Brombacher E, Dorel C, Zehnder AJB, Landini P (2003) The curli biosynthesis regulator CsgD co-ordinates the expression of each positive and unfavorable determinants for biofilm formation in Escherichia coli. Microbiology 149:2847857 Chu WH, Zere TR, Weber MM, Wood TK, Whiteley M, Hidalgo-Romano B, Valenzuela E, Mclean RJC (2012) Indole Production Promotes Escherichia coli Mixed-Culture Development with Pseudomonas aeruginosa by Inhibiting Quorum Signaling. Appl Environ Microbiol 78:41119 Cortes-Lorenzo C, Rodriguez-Diaz M, Lopez-Lopez C, Sanchez-Peinado M, Rodelas B, Gonzalez-Lopez J (2012) Impact of salinity on enzymatic activities in a submerged fixed bed biofilm reactor for municipal sewage remedy. Bioresour Technol 121:31219 Crowley PB, Kyne C, Monteith WB (2012) Uncomplicated and low-cost incorporation of 19 F-Tryptophan for protein NMR spectroscopy. Chem Commun 48:106810683 Goss RJM, Newill PLA (2006) A easy enzymatic synthesis of Lhalotryptophans.GMQ MedChemExpress Chem Commun:4924925 Gross R, Lang K, Buhler K, Schmid A (2010) Characterization of a Biofilm Membrane Reactor and Its Prospects for Fine Chemical Synthesis.Ganoderic acid A Autophagy Biotechnol Bioeng 105:70517 Gross R, Schmid A, Buehler K (2012) Catalytic Biofilms: A Powerful Concept for Future Bioprocesses.PMID:34645436 In: Lear G, Lewis G (eds) Microbial Biofilm: Present Study and Applications. Caister Academic Press, Norfolk, UK, pp 19322 Halan B, Schmid A, Buchler K (2010) Maximizing the Productivity of Catalytic Biofilms on Strong Supports in Membrane Aerated Reactors. Biotechnol Bioeng 106:516Perni et al. AMB Express 2013, 3:66 http://www.amb-express/content/3/1/Page ten ofHalan B, Schmid A, Buehler K (2011) Real-Time Solvent Tolerance Evaluation of Pseudomonas sp Strain LB120C Catalytic Biofilms. Appl Environ Microbiol 77:1563571 Halan B, Buehler K, Schmid A (2012) Biofilms as living catalysts in continuous chemical syntheses. Trends Biotechnol 30:45365 Hekmat D, Bauer R, Neff V (2007) Optimization in the microbial synthesis of dihydroxyacetone in a semi-continuous repeated-fed-batch method by in situ immobilization of Gluconobacter oxydans. Method Biochem 42:716 Hu ZC, Zheng YG, Shen YC (2011) Use of glycerol for creating 1,3dihydroxyacetone by Gluconobacter oxydans in an airlift bioreactor. Bioresour Technol 102:7177182 Iwamoto T, Nasu M (2001) Present bioremediation practice and point of view. Journal Biosci Bioeng 92:1 Kawasaki H, Bauerle R, Zon G, Ahmed SA, Miles EW (1987) Site-specific mutagenesis of your alpha subunit of tryptophan synthase from Salmonella typhimurium. Altering arginine 179 to leucine alters the reciprocal transmission of substrate-induced conformational changes involving the alpha and beta two subunits. J Biol Chem 262:106780683 Kunduru MR, Pometto AL (1996) Continuous ethanol production by Zymomonas mobilis and Saccharomyces cerevisiae in biofilm reactors. J Ind Microbiol Biotechnol 16:24956 Lee JH, Lee J (2010) Indole as an intercellular signal in microbial communi.