{"id":1554,"date":"2018-07-03T17:15:42","date_gmt":"2018-07-03T09:15:42","guid":{"rendered":"https:\/\/www.agrinoon.com\/agriculture\/?p=1554"},"modified":"2018-07-03T17:15:42","modified_gmt":"2018-07-03T09:15:42","slug":"gene-editing-approach-aims-broad-disease-resistance-staple-food-crops","status":"publish","type":"post","link":"https:\/\/www.agrinoon.com\/agriculture\/2018\/07\/03\/gene-editing-approach-aims-broad-disease-resistance-staple-food-crops\/","title":{"rendered":"Gene editing approach aims for broad disease resistance in staple food crops"},"content":{"rendered":"

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Dr. Junqi Song, Texas A&M AgriLife Research plant pathologist in Dallas, believes his team has discovered a system for achieving broad disease resistance in a number of staple food crops. (Texas A&M AgriLife photo by Gabe Saldana)<\/em><\/p>\n

A novel gene editing approach could hold the key to broad-spectrum disease resistance in certain staple food crops without causing physical detriment to the plants, said a Texas A&M AgriLife Research scientist.<\/p>\n

Dr. Junqi Song, AgriLife Research plant pathologist in Dallas, explores how a \u201cknock-in\u201d gene editing approach might achieve better disease resistance in a wide range of crop plants.<\/p>\n

His team places special focus on addressing late blight disease in tomato and potato. The Texas grown crops are part of a nearly $6 billion national production value, according to U.S. Department of Agriculture data.<\/p>\n

\u201cMost successes with broad-spectrum disease resistance so far have resulted from knockout gene editing, where certain genes are switched off to cause desired behaviors in a subject plant,\u201d Song said. \u201cBut successes from knockout editing come at a cost to many other aspects of the plant\u2019s physical health and other characteristics.\u201d<\/p>\n

As an alternative to switching genes off, Song\u2019s team, using an emerging technology known as the CRISPR\/Cas9 system, will introduce, or knock in, a specific set of genetic regulators. He believes the regulators discovered by his team will allow disease resistance to increase without harming the subject plant.<\/p>\n

\u201cBy comparison, the knock-in approach is a much more complicated process than knockout,\u201d Song said.<\/p>\n

The introduced systems would work by helping the plant\u2019s existing disease resistance genes to express more hardily against attacking pathogens. The wide range of pathogens targeted by Song\u2019s broad-resistance approach include phytophthora infestans, which causes late blight, a devastating disease in tomato and potato, he said.<\/p>\n

He added any discoveries made through his research would carry disease-resistance implications for a number of food crops including wheat, rice, cotton, strawberry, carrot and citrus.<\/p>\n

\u201cThere is a growing demand for agricultural production as global populations continue to grow,\u201d he said. \u201cWe will need to develop increasingly efficient systems to meet this demand and hopefully our work is a step in the right direction.\u201d<\/p>\n

\n

Source<\/strong>: Texas A&M AgriLife<\/a><\/span><\/h4>\n<\/div>\n
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Dr. Junqi Song, Texas A&M AgriLife Research plant pathologist in Dallas, believes his team has discovered a system for achieving broad disease resistance in a number of staple food crops. (Texas A&M AgriLife photo by Gabe Saldana) A novel gene editing approach could hold the key to broad-spectrum disease resistance in certain staple food crops… Continue reading Gene editing approach aims for broad disease resistance in staple food crops<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-1554","post","type-post","status-publish","format-standard","hentry","category-industry-news","entry"],"yoast_head":"\nGene editing approach aims for broad disease resistance in staple food crops - agrinoon<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.agrinoon.com\/agriculture\/2018\/07\/03\/gene-editing-approach-aims-broad-disease-resistance-staple-food-crops\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gene editing approach aims for broad disease resistance in staple food crops - agrinoon\" \/>\n<meta property=\"og:description\" content=\"Dr. Junqi Song, Texas A&M AgriLife Research plant pathologist in Dallas, believes his team has discovered a system for achieving broad disease resistance in a number of staple food crops. 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