2020
DOI: 10.3390/polym12030653
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The Relative Importance of Shear Forces and Surface Hydrophobicity on Biofilm Formation by Coccoid Cyanobacteria

Abstract: Understanding the conditions affecting cyanobacterial biofilm development is crucial to develop new antibiofouling strategies and decrease the economic and environmental impact of biofilms in marine settings. In this study, we investigated the relative importance of shear forces and surface hydrophobicity on biofilm development by two coccoid cyanobacteria with different biofilm formation capacities. The strong biofilm-forming Synechocystis salina was used along with the weaker biofilm-forming Cyanobium sp. Bi… Show more

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Cited by 30 publications
(37 citation statements)
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References 41 publications
(51 reference statements)
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“…and P. tunicata biofilms were developed on both surfaces for seven weeks under controlled hydrodynamic conditions that mimic those found in some marine settings. As the hydrodynamic forces bring a strong impact on marine biofilm development [23,32,38,39], the experiments were performed under specific shear forces that include the shear rate estimated for a ship in a harbor (50/s) [33] in order to increase the predictive value of the results.…”
Section: Discussionmentioning
confidence: 99%
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“…and P. tunicata biofilms were developed on both surfaces for seven weeks under controlled hydrodynamic conditions that mimic those found in some marine settings. As the hydrodynamic forces bring a strong impact on marine biofilm development [23,32,38,39], the experiments were performed under specific shear forces that include the shear rate estimated for a ship in a harbor (50/s) [33] in order to increase the predictive value of the results.…”
Section: Discussionmentioning
confidence: 99%
“…Biofilm experiments were performed using 12-well microtiter plates (VWR International, Carnaxide, Portugal) under controlled hydrodynamic conditions. Sterilized SilRef and EpoRef coupons were fixed to the microplate wells with double-sided adhesive tape [23]. A P. tunicata suspension at an optical density (OD 610 nm) of 0.1 (which corresponds to 10 8 cells/mL) was prepared from an overnight culture, while the cyanobacterial culture was centrifuged to remove any traces of the supplemented Z8 medium and the pellet was resuspended in fresh VNSS medium to a final concentration of 10 8 cell/mL.…”
Section: Biofilm Formationmentioning
confidence: 99%
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