{"676595":{"#nid":"676595","#data":{"uid":"35599","author":"sperrin6","created_gmt":"2025-03-19 14:07:58","changed_gmt":"2025-03-19 14:07:58","title":"Founded in 1988, the Long-Term Evolution Experiment (LTEE) is the world\u2019s longest-running ongoing evolution experiment now spanning 75,000 generations. (Illustration: Mark Belan\/ArtSciStudios)","body":[{"value":"\u003Cp\u003EFounded in 1988,\u0026nbsp;\u003Ca href=\u0022https:\/\/doi.org\/10.1007\/s00239-023-10095-3\u0022\u003Ethe Long-Term Evolution Experiment (LTEE)\u003C\/a\u003E is the world\u2019s longest-running ongoing evolution experiment now spanning 75,000 generations. Twelve genetically identical populations of the bacterium\u0026nbsp;\u003Cem\u003EEscherichia coli\u003C\/em\u003E have been allowed to evolve under constant conditions, and have uncovered\u0026nbsp;\u003Ca href=\u0022https:\/\/doi.org\/10.1038\/nature24287\u0022\u003Egeneral principles of evolutionary dynamics\u003C\/a\u003E, such\u003Ca href=\u0022https:\/\/doi.org\/10.1073\/pnas.0803151105\u0022\u003E as how evolutionary novelties arise\u003C\/a\u003E. (Illustration: Mark Belan\/ArtSciStudios)\u003C\/p\u003E","format":"limited_html"}],"image":{"alt":"Founded in 1988, the Long-Term Evolution Experiment (LTEE) is the world\u2019s longest-running ongoing evolution experiment now spanning 75,000 generations. Twelve genetically identical populations of the bacterium Escherichia coli have been allowed to evolve under constant conditions, and have uncovered general principles of evolutionary dynamics, such as how evolutionary novelties arise. (Illustration: Mark Belan\/ArtSciStudios)","view":{"#theme":"field","#title":"Image","#label_display":"hidden","#view_mode":"image_740","#language":"en","#field_name":"field_image","#field_type":"image","#field_translatable":false,"#entity_type":"media","#bundle":"image","#object":{},"#items":{},"#formatter":"image","#is_multiple":false,"#third_party_settings":[],"0":{"#theme":"image_formatter","#item":{},"#item_attributes":[],"#image_style":"large","#url":null,"#cache":{"tags":["config:image.style.large","file:260402"],"contexts":[],"max-age":-1}},"#cache":{"contexts":[],"tags":[],"max-age":-1},"#weight":0},"file":{"fid":"260402","name":"StroudRatcliff_Fig55.jpg","path":"\/sites\/default\/files\/2025\/03\/19\/StroudRatcliff_Fig55.jpg","fullpath":"\/var\/www\/html\/files\/public\/2025\/03\/19\/StroudRatcliff_Fig55.jpg","mime":"image\/jpeg","size":247886}},"groups":[{"id":"1278","name":"College of Sciences"}],"keywords":[]}}}