Marine biofouling imposes serious environmental and economic impacts on marine applications, especially in the shipping industry. To combat biofouling, protective coatings are applied on vessel hulls which are divided into two major groups: biocidal and non-toxic fouling release. The current study aimed to explore the effect of coating type on microbial biofilm community profiles to better understand the differences between the communities developed on fouling control biocidal antifouling and biocidal-free coatings. Biocidal (Intersmooth® 7460HS SPC), fouling release (Intersleek® 900), and inert surfaces were deployed in the marine environment for 4 months, and the biofilms that developed on these surfaces were investigated using Illumina NGS sequencing, targeting the prokaryotic 16S rRNA gene. The results confirmed differences in the community profiles between coating types. The biocidal coating supported communities dominated by Alphaproteobacteria (Loktanella, Sphingorhabdus, Erythrobacter) and Bacteroidetes (Gilvibacter), while other taxa, such as Portibacter and Sva0996 marine group, proliferated on the fouling-release surface. Knowledge of these marine biofilm components on fouling control coatings will serve as a guide for future investigations of marine microfouling as well as informing the coatings industry of potential microbial targets for robust coating formulations.

中文翻译：

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不同污垢控制涂层类型上的海洋生物膜揭示了微生物群落组成和丰度的差异

海洋生物污垢对海洋应用造成严重的环境和经济影响，尤其是在航运业。为了对抗生物污垢，船体上涂有保护涂层，船体分为两大类：生物杀灭剂和无毒污垢释放。目前的研究旨在探索涂层类型对微生物生物膜群落特征的影响，以更好地了解在污垢控制杀生物防污涂层和无杀生物涂层上开发的群落之间的差异。杀生物剂（Intersmooth® 7460HS SPC）、污垢释放（Intersleek® 900）和惰性表面在海洋环境中部署了 4 个月，并使用 Illumina NGS 测序研究了在这些表面上形成的生物膜，靶向原核 16S rRNA 基因. 结果证实了涂层类型之间群落概况的差异。杀菌涂层支持以 Alphaproteobacteria 为主的群落（Loktanella，Sphingorhabdus，赤）和拟杆菌（Gilvibacter），而其它的类群，如Portibacter和Sva0996海洋基，增殖的脱污表面上。对这些海洋生物膜成分在污垢控制涂层上的了解将作为未来海洋微污垢研究的指南，并为涂料行业提供强大的涂料配方的潜在微生物目标。