{"id":42031,"date":"2026-01-19T11:00:29","date_gmt":"2026-01-19T10:00:29","guid":{"rendered":"https:\/\/resoilfoundation.org\/articles\/le-piante-di-cereali-si-trasformano-in-sensori-dellinquinamento\/"},"modified":"2026-01-19T13:13:00","modified_gmt":"2026-01-19T12:13:00","slug":"cereal-crop-pollution-sensors","status":"publish","type":"post","link":"https:\/\/resoilfoundation.org\/en\/innovation-technology\/cereal-crop-pollution-sensors\/","title":{"rendered":"Researchers have turned cereal plants into pollution sensors"},"content":{"rendered":"<h2>US researchers have developed a genetic circuit that activates upon the presence of contaminants in cereal crops by inducing grasses to produce a visible pigment<\/h2>\n<p style=\"text-align: center;\">by Matteo Cavallito<\/p>\n<p>Field contamination has always been a major threat to agriculture and, more generally, to the environment. The ability to detect the <strong>presence of pollutants<\/strong> is, of course, essential for implementing appropriate remediation strategies. Scientists now believe that a particular category of plants could help achieve this.<\/p>\n<p>This hypothesis is included in a <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/pbi.70480\" target=\"_blank\" rel=\"noopener\">study<\/a> conducted by a group of researchers from the Donald Danforth Plant Science Center of the <strong>University of Florida Gainesville<\/strong>, and the <strong>University of Iowa<\/strong>. In particular, the authors have developed innovative tools that allow major cereal crops, such as corn, to be transformed into actual biosensors. These sensors are capable of detecting even minimal amounts of chemicals in the soil.<\/p>\n<div class='avia-iframe-wrap'>\n<blockquote class=\"wp-embedded-content\" data-secret=\"pvTzLJRA5f\"><p><a href=\"https:\/\/resoilfoundation.org\/en\/articles\/cover-crops-water-poluution\/\">Cover crops are a barrier against agriculture-based pollution<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Cover crops are a barrier against agriculture-based pollution&#8221; &#8212; Re Soil Foundation\" src=\"https:\/\/resoilfoundation.org\/en\/articles\/cover-crops-water-poluution\/embed\/#?secret=d68L1FKOpz#?secret=pvTzLJRA5f\" data-secret=\"pvTzLJRA5f\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div>\n<h5>A response to chemical signals<\/h5>\n<p>The research, published in the Plant Biotechnology Journal, describes the engineering of grasses that produce a visible purple pigment, <strong>anthocyanin<\/strong>, in response to specific chemical signals. When combined with advanced imaging and analysis systems, the scientists <a href=\"https:\/\/www.danforthcenter.org\/news\/researchers-develop-new-tools-to-turn-grain-crops-into-biosensors\/\" target=\"_blank\" rel=\"noopener\">note<\/a>, these plants can signal<strong> even extremely low levels<\/strong> of exposure to chemicals. In addition to pollution or adverse conditions that can affect crop and human health.<\/p>\n<blockquote><p>\u201cPlant <strong>synthetic biology<\/strong> holds great promise for <strong>engineering plants<\/strong> to meet future demands. Genetic circuits are being designed, built and tested in plants to demonstrate the proof of concept,\u201d explains the study.<\/p><\/blockquote>\n<p>In the study, researchers successfully adapted \u201ca <a href=\"https:\/\/en.wikipedia.org\/wiki\/Ligand_(biochemistry)\" target=\"_blank\" rel=\"noopener\">ligand<\/a>-inducible sensor to activate an endogenous anthocyanin pathway in the C4 monocot model <a href=\"https:\/\/en.wikipedia.org\/wiki\/Setaria_viridis\" target=\"_blank\" rel=\"noopener\">Setaria viridis<\/a>.\u201d <strong>Monocotyledonous<\/strong> herbaceous species are those characterized by the presence of a single embryonic leaf in the seed. This category includes, in particular, the planet&#8217;s main <strong>cereals<\/strong> such as wheat, barley, rice, and corn.<\/p>\n<div class='avia-iframe-wrap'>\n<blockquote class=\"wp-embedded-content\" data-secret=\"kVF3r7ZZII\"><p><a href=\"https:\/\/resoilfoundation.org\/en\/articles\/tropical-plants-contaminated-soils\/\">Tropical plants provide a solution for heavy metal-contaminated soils<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Tropical plants provide a solution for heavy metal-contaminated soils&#8221; &#8212; Re Soil Foundation\" src=\"https:\/\/resoilfoundation.org\/en\/articles\/tropical-plants-contaminated-soils\/embed\/#?secret=MemUxyDLVj#?secret=kVF3r7ZZII\" data-secret=\"kVF3r7ZZII\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div>\n<h5>Plants become sensors<\/h5>\n<p>To put it simply, the authors successfully adapted a <strong>genetic circuit<\/strong> that activates the anthocyanin pathway in grass plants. A genetic circuit is a set of genes and sequences that can be activated in response to a stimulus. The scientists identified and modified one of these circuits, inserting it into the plant and connecting it to the natural pathway that creates these coloring substances.<\/p>\n<blockquote><p>In this way, when it <strong>detects the presence<\/strong> of a chemical contaminant, the genetic circuit \u2018turns on\u2019 and <strong>produces a visible purple pigment<\/strong>. It thus ends up functioning as a sensor.<\/p><\/blockquote>\n<p>&#8220;We identify two transcription factors that can be expressed as a single transcript that are sufficient to induce endogenous anthocyanin production,&#8221; the scientists explain. \u201cApplying inducible anthocyanin production coupled with <strong>sensitive detection algorithms<\/strong> could enable crop plants <strong>to report on the status of field contamination<\/strong> or detect undesirable chemicals impacting agriculture, ushering in an era of agriculture-based sensor systems.\u201d<\/p>\n<div class='avia-iframe-wrap'>\n<blockquote class=\"wp-embedded-content\" data-secret=\"0jXzo46FN9\"><p><a href=\"https:\/\/resoilfoundation.org\/en\/articles\/rice-residue-sustainable-solution-contaminated-soil\/\">Rice husk residue provides a sustainable solution to contaminated plants and soils<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Rice husk residue provides a sustainable solution to contaminated plants and soils&#8221; &#8212; Re Soil Foundation\" src=\"https:\/\/resoilfoundation.org\/en\/articles\/rice-residue-sustainable-solution-contaminated-soil\/embed\/#?secret=4VdBtl1k41#?secret=0jXzo46FN9\" data-secret=\"0jXzo46FN9\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div>\n<h5>A key finding for cereal crops<\/h5>\n<p>The idea of developing a natural detection system based on plants is not new. However, to date, these techniques have only been developed for <strong>dicotyledonous<\/strong> species, i.e., plants that contain two embryonic leaves, such as clover, dandelion, poppy, sunflower, bean, and lettuce. The application of this type of tool to <strong>cereal species<\/strong> is therefore an important innovation.<\/p>\n<blockquote><p>\u201cGrain crops are at the heart of global <a href=\"https:\/\/resoilfoundation.org\/en\/environment\/wef-food-security-soil\/\" target=\"_blank\" rel=\"noopener\">food security<\/a>,\u201d said <strong>Dmitri Nusinow<\/strong>, researcher and co-author of the study. \u201cHaving plants act as sentinels in the field could increase food security and improve the sustainability of agriculture.\u201d<\/p><\/blockquote>\n<p>Finally, the scientists developed <strong>hyperspectral imaging<\/strong> and discriminative analysis techniques that <strong>detect changes in pigmentation remotely<\/strong> and without impact. This demonstrates that they can activate a precise remote detection system for chemical exposure in grasses, allowing crops to actively communicate environmental conditions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>US researchers have developed a genetic circuit that activates upon the presence of contaminants in cereal crops by inducing grasses to produce a visible pigment<\/p>\n","protected":false},"author":4,"featured_media":42033,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152,134],"tags":[320,314,239,221,247,188,322],"class_list":["post-42031","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-innovation-technology","category-articles","tag-agricoltura-en","tag-contaminazione-en","tag-crops","tag-food","tag-monitoraggio-en","tag-research","tag-suolo-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Researchers have turned cereal plants into pollution sensors - Re Soil Foundation<\/title>\n<meta name=\"description\" content=\"The importance of this technique lies in its applicability to cereal crops, which are fundamental to global food security\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/resoilfoundation.org\/en\/innovation-technology\/cereal-crop-pollution-sensors\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Researchers have turned cereal plants into pollution sensors - Re Soil Foundation\" \/>\n<meta property=\"og:description\" content=\"The importance of this technique lies in its applicability to cereal crops, which are fundamental to global food security\" \/>\n<meta property=\"og:url\" content=\"https:\/\/resoilfoundation.org\/en\/innovation-technology\/cereal-crop-pollution-sensors\/\" \/>\n<meta property=\"og:site_name\" content=\"Re Soil Foundation\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/resoilfoundation\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-19T10:00:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-19T12:13:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/resoilfoundation.org\/wp-content\/uploads\/2026\/01\/piante-cereali-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1063\" \/>\n\t<meta property=\"og:image:height\" content=\"702\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Matteo Cavallito\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@re_soil\" \/>\n<meta name=\"twitter:site\" content=\"@re_soil\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Matteo Cavallito\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/resoilfoundation.org\\\/en\\\/innovation-technology\\\/cereal-crop-pollution-sensors\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/resoilfoundation.org\\\/en\\\/innovation-technology\\\/cereal-crop-pollution-sensors\\\/\"},\"author\":{\"name\":\"Matteo Cavallito\",\"@id\":\"https:\\\/\\\/resoilfoundation.org\\\/en\\\/#\\\/schema\\\/person\\\/9deaff5320c99714a3a7944e4b7c8fbe\"},\"headline\":\"Researchers have turned cereal plants into pollution sensors\",\"datePublished\":\"2026-01-19T10:00:29+00:00\",\"dateModified\":\"2026-01-19T12:13:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/resoilfoundation.org\\\/en\\\/innovation-technology\\\/cereal-crop-pollution-sensors\\\/\"},\"wordCount\":623,\"image\":{\"@id\":\"https:\\\/\\\/resoilfoundation.org\\\/en\\\/innovation-technology\\\/cereal-crop-pollution-sensors\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/resoilfoundation.org\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/piante-cereali-1.jpg\",\"keywords\":[\"agricoltura\",\"contaminazione\",\"crops\",\"food\",\"monitoraggio\",\"research\",\"suolo\"],\"articleSection\":[\"Innovation &amp; 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