{"id":5189,"date":"2019-09-20T10:13:39","date_gmt":"2019-09-20T14:13:39","guid":{"rendered":"https:\/\/www.med.unc.edu\/cgibd\/?page_id=5189"},"modified":"2019-09-20T10:13:39","modified_gmt":"2019-09-20T14:13:39","slug":"callahan-benjamin","status":"publish","type":"page","link":"https:\/\/www.med.unc.edu\/cgibd\/callahan-benjamin\/","title":{"rendered":"Benjamin Callahan, PhD"},"content":{"rendered":"<p><!-- portlet_header --><\/p>\n<p><!-- portlet_above --><\/p>\n<p><!-- description --><\/p>\n<table border=\"0\">\n<tbody>\n<tr>\n<th style=\"width: 260px;vertical-align: top\" valign=\"top\" width=\"260\"><img loading=\"lazy\" decoding=\"async\" class=\"photo\" src=\"https:\/\/www.med.unc.edu\/cgibd\/wp-content\/uploads\/sites\/466\/2019\/09\/Benjamin-Callahan.jpg\" width=\"216\" height=\"216\" \/><\/p>\n<div class=\"smallFont\">\n<h4>Contact Information<\/h4>\n<p>North Carolina State University<br \/>\nCollege of Veterinary Medicine<br \/>\n456 Research Building<br \/>\n(O) 919-515-8536<br \/>\n<a class=\"email-link\" title=\"\" href=\"benjamin.j.callahan@gmail.com\" target=\"_blank\" rel=\"noopener noreferrer\">benjamin.j.callahan@gmail.com<\/a><\/p>\n<h4>Website Links<\/h4>\n<p><a class=\"pub\" href=\"https:\/\/scholar.google.com\/citations?user=zGifBvwAAAAJ&amp;hl=en\" target=\"_blank\" rel=\"noopener noreferrer\">PubMed<\/a><\/p>\n<h4><\/h4>\n<\/div>\n<\/th>\n<th valign=\"top\">\n<div style=\"text-align: left\"><span class=\"largeFont\"><strong><span class=\"blue\">Assistant Professor<br \/>\nDepartment of Population Health and Pathobiology<br \/>\nCollege of Veterinary Medicine<br \/>\nNorth Carolina State University<br \/>\n<\/span><\/strong><\/span><span class=\"largeFont\"><strong><span class=\"blue\"><br \/>\n<\/span><\/strong><\/span><\/div>\n<p style=\"text-align: left\"><strong>Research Summary<\/strong><\/p>\n<p style=\"text-align: left\">Benjamin Callahan studies microbiomes \u2014 the complex microbial communities which inhabit and interact with almost every part of the world around us. He has developed new computational methods to more accurately, precisely and reproducibly characterize complex microbial communities, especially with the use of metagenomic sequencing methods. Dr. Callahan uses these new methods to study the microbial contribution to a variety of important problems including the pathophysiology of preterm birth, the development of antimicrobial resistance after antibiotic administration, and the prevalence and epidemiology of C. difficile. He is also generally interested in adaptation within microbial populations, which he has studied with a mix of analytics, simulation and experimental evolution.<\/p>\n<p style=\"text-align: left\"><strong>Relevance of Research to CGIBD Mission: <\/strong><\/p>\n<p style=\"text-align: left\">Dr. Callahan develops new methods that make characterization and analysis of the gastrointestinal microbiota more precise, accurate and reproducible. Dr. Callahan maintains and supports widely used software that is used to investigate the gut microbiome. Dr. Callahan collaborates with other investigators to study various GI related health issues, including C. difficile, FMT treatment, and GI-associated epilepsy.<\/p>\n<p style=\"text-align: left\"><strong>CGIBD Focus Area(s):\u00a0\u00a0<\/strong>Microbiome<\/p>\n<p style=\"text-align: left\"><strong>Collaborators: Casey Theriot, Ajay Gulati<\/strong><\/p>\n<p style=\"text-align: left\"><strong>\u00a0<\/strong><\/p>\n<p>&nbsp;<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Contact Information North Carolina State University College of Veterinary Medicine 456 Research Building (O) 919-515-8536 benjamin.j.callahan@gmail.com Website Links PubMed Assistant Professor Department of Population Health and Pathobiology College of Veterinary Medicine North Carolina State University Research Summary Benjamin Callahan studies microbiomes \u2014 the complex microbial communities which inhabit and interact with almost every part of &hellip; <a href=\"https:\/\/www.med.unc.edu\/cgibd\/callahan-benjamin\/\" aria-label=\"Read more about Benjamin Callahan, PhD\">Read more<\/a><\/p>\n","protected":false},"author":87626,"featured_media":4747,"parent":0,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-5189","page","type-page","status-publish","has-post-thumbnail","hentry","odd"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Benjamin Callahan, PhD | Center for Gastrointestinal Biology and Disease<\/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.med.unc.edu\/cgibd\/callahan-benjamin\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Benjamin Callahan, PhD | Center for Gastrointestinal Biology and Disease\" \/>\n<meta property=\"og:description\" content=\"Contact Information North Carolina State University College of Veterinary Medicine 456 Research Building (O) 919-515-8536 benjamin.j.callahan@gmail.com Website Links PubMed Assistant Professor Department of Population Health and Pathobiology College of Veterinary Medicine North Carolina State University Research Summary Benjamin Callahan studies microbiomes \u2014 the complex microbial communities which inhabit and interact with almost every part of &hellip; 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