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Title: Antimicrobial activity of steady state cultures of Bacillus sp CCMI 1051 against wood contaminant fungi
Authors: Caldeira, A Teresa
Savluchinske-Feio, S
Arteiro, J M
Roseiro, J C
Keywords: Bacillus sp.
Chemostat; Fermentation
Issue Date: 2006
Publisher: Elsevier
Citation: Caldeira A.T., Savluchinske-Feio S., Arteiro Santos J.M., Roseiro J.C. (2006) "Antimicrobial activity of steady state cultures of Bacillus sp CCMI 1051 against wood contaminant fungi". Biochemical Engineering Journal, 30, 231-236.
Abstract: The effect of changing dilution rate (D) on Bacillus sp. CCMI 1051 at dilution rates between 0.1 and 0.55 h−1 in a glucose-limited medium was studied. Biomass values varied between 0.88 and 1.1 g L−1 at D values of 0.15–0.35 h−1. Maximal biomass productivity was found to be 0.39 g L−1 h−1, obtained at D= 0.35 h−1 and corresponding to a 54.4% conversion of the carbon into cell mass. The highest rate of glucose consumption was 4.45 mmol g−1 h−1 occurring at D= 0.4 h−1. The glucose concentration inside the chemostat was below the detection level starting to accumulate around 0.4 h−1. Growth inhibition of fifteen strains of fungi by the broth of the steady-state cell-free supernatants was assessed. Results showed that the relative inhibition differ among the target species but was not influenced by the dilution rate changing.
Type: article
Appears in Collections:CQE - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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