{"id":38492,"date":"2020-09-06T08:25:15","date_gmt":"2020-09-06T08:25:15","guid":{"rendered":"https:\/\/www.healthbenefitstimes.com\/glossary\/?p=38492"},"modified":"2020-09-06T08:25:15","modified_gmt":"2020-09-06T08:25:15","slug":"marker-genetic-marker","status":"publish","type":"post","link":"https:\/\/www.healthbenefitstimes.com\/glossary\/marker-genetic-marker\/","title":{"rendered":"Marker (genetic marker)"},"content":{"rendered":"

A trait that can be observed to occur or not to occur in an organism such as, for example, bacteria or plant(s). Genetic markers include such traits as: expression of luciferase in leaf cells (causing leaves to glow), resistance to specific antibiotics, the nature of the cell wall and capsule characteristics, requirements for a particular growth factor, and carbohydrate utilization, to mention a few. For example, if a culture of dividing (growing) bacteria that is not resistant to a particular antibiotic (i.e., lacks the trait of antibiotic resistance) is exposed to only the DNA isolated from bacteria that are resistant to the antibiotic, then a fraction of the cells exposed will directly incorporate this trait (some DNA) into their genome, hence acquiring the trait. The first genetically engineered plants bearing a marker gene were field tested in 1986.<\/p>\n

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A trait that can be observed to occur or not to occur in an organism such as, for example, bacteria or plant(s). Genetic markers include such traits as: expression of luciferase in leaf cells (causing leaves to glow), resistance to specific antibiotics, the nature of the cell wall and capsule characteristics, requirements for a particular […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-38492","post","type-post","status-publish","format-standard","hentry","category-m"],"yoast_head":"\nMarker (genetic marker) - Definition of Marker (genetic marker)<\/title>\n<meta name=\"description\" content=\"A trait that can be observed to occur or not to occur in an organism such as, for example, bacteria or plant(s). Genetic markers include such traits as: expression of luciferase in leaf cells (causing leaves to glow), resistance to specific antibiotics, the nature of the cell wall and capsule characteristics, requirements for a particular growth factor, and carbohydrate utilization, to mention a few. For example, if a culture of dividing (growing) bacteria that is not resistant to a particular antibiotic (i.e., lacks the trait of antibiotic resistance) is exposed to only the DNA isolated from bacteria that are resistant to the antibiotic, then a fraction of the cells exposed will directly incorporate this trait (some DNA) into their genome, hence acquiring the trait. The first genetically engineered plants bearing a marker gene were field tested in 1986.\" \/>\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.healthbenefitstimes.com\/glossary\/marker-genetic-marker\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Marker (genetic marker) - Definition of Marker (genetic marker)\" \/>\n<meta property=\"og:description\" content=\"A trait that can be observed to occur or not to occur in an organism such as, for example, bacteria or plant(s). Genetic markers include such traits as: expression of luciferase in leaf cells (causing leaves to glow), resistance to specific antibiotics, the nature of the cell wall and capsule characteristics, requirements for a particular growth factor, and carbohydrate utilization, to mention a few. For example, if a culture of dividing (growing) bacteria that is not resistant to a particular antibiotic (i.e., lacks the trait of antibiotic resistance) is exposed to only the DNA isolated from bacteria that are resistant to the antibiotic, then a fraction of the cells exposed will directly incorporate this trait (some DNA) into their genome, hence acquiring the trait. 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