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- Title
Inhibitory effects of D-ribose on biofilm development of Escherichia coli.
- Authors
Xinying Su; Xin Cheng; Jintao Luo
- Abstract
Inhibition of biofilm formation can promote the operation of water system such as membrane bioreactor. This paper investigated the effects of D-ribose on biofilm development of Escherichia coli. The results showed that the D-ribose could arrest biofilm formation of E. coli. The decrease in attached biofilm biomass reached 17.95% with 100 µM D-ribose. Bacterial attachment experiments indicated that the attachment of E. coli to polyvinylidene fluoride membrane was inhibited with D-ribose (10 µM to 5 mM). And the attachment was weak with the addition of D-ribose. Further research showed that 10 µM-5 mM D-ribose could inhibit the extracellular polymeric substance (EPS) secretion of E. coli. The inhibition was obvious at 100 and 500 µM D-ribose. Moreover, the addition of D-ribose increased superoxide dismutase and glutathione peroxidase activities, which might be the reason of EPS reduction.
- Subjects
ESCHERICHIA coli; BIOFILMS; POLYVINYLIDENE fluoride; GLUTATHIONE peroxidase; SUPEROXIDE dismutase; MICROBIAL exopolysaccharides; BIOMASS
- Publication
Desalination & Water Treatment, 2022, Vol 264, p33
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2022.28593