{"id":15135,"date":"2025-07-03T10:00:00","date_gmt":"2025-07-03T10:00:00","guid":{"rendered":"https:\/\/modernsciences.org\/staging\/4414\/?p=15135"},"modified":"2025-06-27T07:47:59","modified_gmt":"2025-06-27T07:47:59","slug":"surface-patterns-trick-bacteria-prevent-biofilms-july-2025","status":"publish","type":"post","link":"https:\/\/modernsciences.org\/staging\/4414\/surface-patterns-trick-bacteria-prevent-biofilms-july-2025\/","title":{"rendered":"Scientists develop surfaces that trick bacteria, thwarting deadly biofilms"},"content":{"rendered":"\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-gray-200-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h1 id=\"at-a-glance\" class=\"wp-block-heading\">At a Glance<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\">Researchers developed microscopic patterns on plastic surfaces that physically stop bacteria from forming infections, offering a promising alternative to chemical or antibiotic coatings on medical devices.<\/li>\n\n\n\n<li class=\"\">The specific grooves and crevices of the most effective topographies confine bacteria, tricking them into producing a natural lubricant that prevents them from sticking to the surface.<\/li>\n\n\n\n<li class=\"\">Scientists used machine learning to analyze more than 2,000 unique designs, enabling them to identify the optimal patterns for resisting the formation of dangerous biofilms by pathogens.<\/li>\n\n\n\n<li class=\"\">This innovative physical approach was shown to be highly effective against the bacterium <em>Pseudomonas aeruginosa<\/em> in both laboratory experiments and a preclinical animal infection model.<\/li>\n\n\n\n<li class=\"\">By preventing bacterial attachment, these patterned surfaces could significantly reduce hospital-acquired infections and help the body\u2019s immune system fight off lingering pathogens more effectively.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Researchers at the <a href=\"https:\/\/www.nottingham.ac.uk\/\" target=\"_blank\" rel=\"noreferrer noopener\">University of Nottingham<\/a> have developed microscopic surface patterns that can prevent dangerous bacteria from colonizing plastics, a breakthrough that could significantly reduce infections from medical devices. The study, published in the journal <a href=\"https:\/\/www.nature.com\/articles\/s41467-025-60567-x\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Nature Communications<\/em><\/a>, identified specific topographies that hinder the formation of <em>biofilms <\/em>\u2014resilient, slime-like communities that bacteria build to protect themselves. By simply altering the physical texture of a material, scientists have found that they can prevent infections before they start, without the use of chemical coatings or antibiotics.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Biofilms pose a significant challenge in healthcare. These organized bacterial structures act as shields, protecting pathogens like <em>Pseudomonas aeruginosa<\/em> from both the body\u2019s immune system and antibiotics. Many medical implants, such as catheters and breathing tubes, are made from polymers that are susceptible to this bacterial buildup, a process known as biofouling. While some devices are coated with antimicrobial agents, this approach carries the risk of promoting antibiotic resistance. The new research offers a purely physical solution, utilizing the shape of a surface rather than chemicals to deter infection.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  class=\" pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/scx2.b-cdn.net\/gfx\/news\/hires\/2025\/scientists-discover-a-4.jpg\" ><figcaption class=\"wp-element-caption\">A microscopic view reveals how the anti-biofilm surface works. The colored lines track the paths of individual\u00a0<em>Pseudomonas aeruginosa<\/em>\u00a0bacteria as they move through channels on the patterned surface (outlined in yellow). This physical confinement is crucial in preventing bacteria from adhering to form a dangerous biofilm. (University of Nottingham, 2025)<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">To find the optimal design, the scientific team conducted an extensive, unbiased screen of 2,176 unique microtopographies embossed onto a polymer surface. Using machine learning to analyze the results, they identified patterns that reduced bacterial colonization by up to 15 times compared with a flat surface. Tracking individual bacteria revealed a novel defense mechanism. The most effective patterns feature tiny crevices that confine bacterial cells. This confinement triggers a process called quorum sensing, a form of bacterial communication, which, in this case, tricks the bacteria into producing their natural lubricant, a biosurfactant. This \u201cautolubrication\u201d prevents the cells from sticking to the surface and initiating a biofilm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The anti-biofilm properties of the patterns were confirmed not only in laboratory settings but also in a mouse model, demonstrating their effectiveness within a living organism. By preventing the initial attachment of bacteria, these topographies facilitate the immune system&#8217;s ability to clear pathogens before an infection can take hold. This sophisticated yet straightforward approach of patterning existing device materials holds significant promise for preventing device-associated infections in hospitals, offering a powerful new tool in the fight against antibiotic-resistant bacteria.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 id=\"references\" class=\"wp-block-heading\">References<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\">Romero, M., Luckett, J., Dubern, J.-F., Figueredo, G. P., Ison, E., Carabelli, A. M., Scurr, D. J., Hook, A. L., Kammerling, L., Da Silva, A. C., Xue, X., Blackburn, C., Carlier, A., Vasilevich, A., Sudarsanam, P. K., Vermeulen, S., Winkler, D. A., Ghaemmaghami, A. M., Boer, J. D., \u2026 Williams, P. (2025). Combinatorial discovery of microtopographical landscapes that resist biofilm formation through quorum sensing mediated autolubrication. <em>Nature Communications<\/em>, <em>16<\/em>(1), 5295. <a href=\"https:\/\/doi.org\/10.1038\/s41467-025-60567-x\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.1038\/s41467-025-60567-x<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\">University of Nottingham. (2025, June 18). <em>Scientists discover a materials maze that prevents bacterial infections<\/em>. Phys.Org; University of Nottingham. <a href=\"https:\/\/phys.org\/news\/2025-06-scientists-materials-maze-bacterial-infections.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/phys.org\/news\/2025-06-scientists-materials-maze-bacterial-infections.html<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"A breakthrough in material science reveals how microscopic surface textures can trick bacteria into self-lubricating, preventing the formation of dangerous biofilms on medical plastics.\n","protected":false},"author":2,"featured_media":15137,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","fifu_image_url":"https:\/\/live.staticflickr.com\/2735\/4482205077_ac5a6b5664_b.jpg","fifu_image_alt":"","footnotes":""},"categories":[15,12,11],"tags":[13872,13865,13866,13864,13863,13868,441,13873,13878,13871,13880,333,1680,13869,13879,13867,3811,13876,13877,13870,13875,13874],"class_list":["post-15135","post","type-post","status-publish","format-standard","has-post-thumbnail","category-engineering","category-health-and-body","category-nature","tag-anti-attachment","tag-anti-biofilm-surface","tag-antibiotic-resistance","tag-bacterial-colonization","tag-biofilm-prevention","tag-biofouling","tag-biomaterials","tag-biosurfactant","tag-catheter-infection","tag-hospital-acquired-infections","tag-infection-control-technology","tag-machine-learning","tag-material-science","tag-medical-device-infection","tag-medical-plastics","tag-microtopography","tag-nature-communications","tag-physical-antibacterial-surface","tag-polymer-surface-patterning","tag-pseudomonas-aeruginosa","tag-quorum-sensing","tag-university-of-nottingham","cs-entry","cs-video-wrap"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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