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L.H. Yang, H. Xiong, O.O. Lee, S.‐H. Qi, P.‐Y. Qian, Effect of agitation on violacein production in Pseudoalteromonas luteoviolacea isolated from a marine sponge, Letters in Applied Microbiology, Volume 44, Issue 6, 1 June 2007, Pages 625–630, https://doi.org/10.1111/j.1472-765X.2007.02125.x
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Abstract
Aims: Experiments were designed to investigate the effect of agitation on the production of violacein by a marine bacterium Pseudoalteromonas luteoviolacea.
Methods and Results: A marine sponge‐associated bacterium, P. luteoviolacea, was grown at different agitation speeds. Agitation did not have a significant effect on bacterial growth, but had a profound effect on the size of bacterial aggregate. The production of violacein was the highest under stagnant conditions and decreased with the increase of the agitation speed.
Conclusions: Agitation affected the aggregation of bacterial cells, which, in turn, affected violacein production by P. luteoviolacea.
Significance and Impact of the Study: This study suggests that P. luteoviolacea produced the highest amount of violacein when it was cultured under stagnant conditions.