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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Biofilm formation of Flavobacterium psychrophilum on various substrates
Author(s): Ríos-Castillo, Abel G
Thompson, Kim D
Adams, Alexandra
Marín de Mateo, Mercedes
Rodríguez-Jerez, José J
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Keywords: biofilm formation
fish farming systems
Flavobacterium psychrophilum
fluorescent microscopy
rainbow trout farms
Issue Date: 31-Dec-2018
Date Deposited: 7-Nov-2018
Citation: Ríos-Castillo AG, Thompson KD, Adams A, Marín de Mateo M & Rodríguez-Jerez JJ (2018) Biofilm formation of Flavobacterium psychrophilum on various substrates. Aquaculture Research, 49 (12), pp. 3830-3837.
Abstract: The ability of Flavobacterium psychrophilum to adhere to and form biofilms on different types of materials used on rainbow trout (Oncorhynchus mykiss) farms was evaluated in this study. F. psychrophilum NCIMB 1947T, was inoculated onto a variety of different surfaces, including stainless steel, plastic, glass, wood, and zinc pyrithione encapsulated antibacterial plastic. The samples were then cultured in a humidified chamber or transferred into fish tanks containing either (1) freshwater or (2) filtered lake water. The formation of biofilms was quantified by fluorescent microscopy. F. psychrophilum formed biofilms on all of the surfaces tested; however, the adherence of the bacterium to the antibacterial plastic was much lower than the attachment observed on the other surfaces, illustrating the bacteriostatic properties of this material for F. psychrophilum. Moreover, bacterial numbers were greater on the surfaces maintained in lake water compared with those maintained in freshwater. The mineral composition of the lake water may have been responsible for the increased bacterial adherence observed between the two types of water. Treatment of the water, regular cleaning of equipment and the use of antimicrobial material to house the fish may help reduce biofilm formation by F. psychrophilum in fish farming systems.
DOI Link: 10.1111/are.13849
Rights: This item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. This is the peer reviewed version of the following article: Ríos‐Castillo AG, Thompson KD, Adams A, Marín de Mateo M, Rodríguez‐Jerez JJ. Biofilm formation of Flavobacterium psychrophilum on various substrates. Aquac Res. 2018;49:3830–3837, which has been published in final form at This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

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