{"id":5877,"date":"2017-04-12T16:46:22","date_gmt":"2017-04-12T20:46:22","guid":{"rendered":"https:\/\/huangshizhaopin.com\/news\/?p=5877"},"modified":"2017-04-12T16:50:36","modified_gmt":"2017-04-12T20:50:36","slug":"noted-hybrid-expert-presents-research","status":"publish","type":"post","link":"https:\/\/huangshizhaopin.com\/news\/2017\/04\/12\/noted-hybrid-expert-presents-research\/","title":{"rendered":"Noted Hybrid Expert Presents Research"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-5885 alignleft\" src=\"https:\/\/huangshizhaopin.com\/wp-content\/uploads\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-4-1024x683.jpg\" alt=\"\" width=\"401\" height=\"267\" srcset=\"https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-4-1024x683.jpg 1024w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-4-300x200.jpg 300w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-4-768x512.jpg 768w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-4-370x245.jpg 370w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-4-740x490.jpg 740w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-4-754x500.jpg 754w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-4-120x80.jpg 120w\" sizes=\"(max-width: 401px) 100vw, 401px\" \/>Bridgett vonHoldt, Ph.D., assistant professor at Princeton University, presented her research on hybrids at the 66<sup>th<\/sup> Annual Mendel Lecture. Her presentation, \u201cConservation Genomics: The Role of Hybrids,\u201d outlined her research findings about the genetics of wolves and coyotes, how they form hybrids and the significance of conservation.<\/p>\n<p>Dr. vonHoldt earned a B.S. in psychology from Eckerd College, a M.S. in biology from New York University and a Ph.D. in ecology and evolutionary biology from the University of California, Los Angeles.\u00a0She completed a postdoctoral fellowship with the UCLA Computational Biosesciences Institute. Dr. vonHoldt currently teaches and conducts research in Princeton University\u2019s Department of Ecology and Evolutionary Biology and has authored numerous scientific publications and has received grants from organizations such as the Yellowstone Park Foundation and National Science Foundation.<\/p>\n<p>\u201cI want to shed light on a subject that\u2019s misunderstood,\u201d said vonHoldt who explained that the notion that the word \u201chybrid\u201d refers to two different species is a misnomer. \u201cThe <img decoding=\"async\" class=\"wp-image-5881 alignright\" src=\"https:\/\/huangshizhaopin.com\/wp-content\/uploads\/blogs.dir\/230\/files\/2017\/04\/monkeyflower-cross-breeding-768x1024.jpg\" alt=\"\" width=\"200\" height=\"267\" srcset=\"https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/monkeyflower-cross-breeding-768x1024.jpg 768w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/monkeyflower-cross-breeding-225x300.jpg 225w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/monkeyflower-cross-breeding-90x120.jpg 90w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/monkeyflower-cross-breeding.jpg 960w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/>word \u2018hybrid\u2019 refers to the offspring produced by inter-type mating,\u201d she said.<\/p>\n<p>However, there is a controversy surrounding hybridity. On the one hand, some scientists believe that hybridization is a potent evolutionary force. For example, in the Monkey Flower, if the flower is a hybrid between the Monkey Flower pollinized by bees and the one pollinized by humming birds, it can produce a vast array of F2s and it is a fast and easy way to create diversity.<\/p>\n<p>&#8220;We argue for a more balanced approach that focuses on the ecological context of admixture and allows for evolutionary processes to potentially restore historical patterns of genetic variation,\u201d said Dr. vonHoldt.<\/p>\n<p>On the other hand, there is the view that evolutionary hybrids do not belong. However, deleterious alleles are more probable with in-breeding when species cannot hybrid with each other.<\/p>\n<p>For example, the Florida Puma was nearly extinct until scientists decided to create a hybrid to increase the survivalship of future generations.<\/p>\n<p>\u201cHave we lost the distinctive genome of the Florida Puma?\u201d asked Dr. vonHoldt, because now the once \u201cpure\u201d Florida Puma is an admixture of other panthers. \u201cWe still don\u2019t know what to do with hybrids\u2014it is being dealt with on a case-by-case basis.\u201d<\/p>\n<p><img decoding=\"async\" class=\" wp-image-5882 alignleft\" src=\"https:\/\/huangshizhaopin.com\/wp-content\/uploads\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-1-1024x683.jpg\" alt=\"\" width=\"296\" height=\"197\" srcset=\"https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-1-1024x683.jpg 1024w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-1-300x200.jpg 300w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-1-768x512.jpg 768w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-1-370x245.jpg 370w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-1-740x490.jpg 740w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-1-754x500.jpg 754w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/vonHoldt-1-120x80.jpg 120w\" sizes=\"(max-width: 296px) 100vw, 296px\" \/>Using the first half of her presentation as a foundation, Dr. vonHoldt then progressed to her research, which deals with the hybridization of wolves and coyotes. Her research is an ongoing project where she explores the genetic consequences of admixed ancestry in the context of selection and the impact on an expanding species range. She developed a test to determine how much the hybrid relates to each of its parents. She looks at the entire genome and that has not been done before and then makes predications in an attempt to save endangered species such as the red wolf, which she came to found out had very little similarities with the wolf. This discovery presents problems because some types of wolves are protected under the Endangered Species Act but coyotes are not. She discussed her research with visual reinforcement, using graphs, charts and illustrations to show her findings.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5887 alignright\" src=\"https:\/\/huangshizhaopin.com\/wp-content\/uploads\/blogs.dir\/230\/files\/2017\/04\/Web-of-Life-844x1024.jpg\" alt=\"\" width=\"201\" height=\"244\" srcset=\"https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/Web-of-Life-844x1024.jpg 844w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/Web-of-Life-247x300.jpg 247w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/Web-of-Life-768x932.jpg 768w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/Web-of-Life-99x120.jpg 99w, https:\/\/huangshizhaopin.com\/wp-content\/blogs.dir\/230\/files\/2017\/04\/Web-of-Life.jpg 1608w\" sizes=\"(max-width: 201px) 100vw, 201px\" \/>\u201cDr. Bridgett vonHoldt\u2019s presentation complemented and expanded upon many of the topics we teach at Saint Peter\u2019s in courses like general biology II, genetics and ecology. She provided a fascinating overview of the history of gray wolves and coyotes in North America. Her research has shown that the two species have extensively hybridized in the eastern part of the United States, forming the eastern wolf in the Great Lakes region and the red wolf in the southeast. Her research also revealed a number of surprises, including the fact that the red wolf is not really a wolf at all because genetically it turns out to be about 80% coyote! Her findings have important implications for the management of endangered species,\u201d said Katherine Wydner, Ph.D., associate professor in the biology department and health careers advisor.<\/p>\n<p>\u201cIn conclusion, the Endangered Species Act views the animal kingdom as a tree of life, where everything is one branch and nothing loops back around. What we are promoting is the web of life,\u201d said Dr. vonHoldt.<\/p>\n<p>The Mendel Lecture is the longest running annual lecture series at Saint Peter\u2019s University and is coordinated by the Mendel Biology Society, the biology department and the applied science and technology department. A generous gift from Michael Filosa, Ph.D. \u201953 made the 66th Mendel Lecture possible. Learn more about vonHoldt\u2019s research at <a id="52158ceb6b" href=\"https:\/\/canineancestry.princeton.edu\" target=\"_blank\">canineancestry.princeton.edu<\/a> and <a id="52158ceb6b" href=\"https:\/\/advances.sciencemag.org\/content\/2\/7\/e1501714\" target=\"_blank\">https:\/\/advances.sciencemag.org\/content\/2\/7\/e1501714<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Bridgett vonHoldt, Ph.D., assistant professor at Princeton University, presented her research on hybrids at the 66th Annual Mendel Lecture. Her presentation, \u201cConservation Genomics: The Role of Hybrids,\u201d outlined her research findings about the genetics of wolves and coyotes, how they form hybrids and the significance of conservation. Dr. vonHoldt earned a B.S. in psychology from [&hellip;]<!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":37,"featured_media":5885,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4,3,5,2,1],"tags":[],"class_list":["post-5877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alumni","category-current-students","category-faculty-staff","category-future-students","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Noted Hybrid Expert Presents Research - News<\/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:\/\/huangshizhaopin.com\/news\/2017\/04\/12\/noted-hybrid-expert-presents-research\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"agervasio\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/huangshizhaopin.com\/news\/2017\/04\/12\/noted-hybrid-expert-presents-research\/\",\"url\":\"https:\/\/huangshizhaopin.com\/news\/2017\/04\/12\/noted-hybrid-expert-presents-research\/\",\"name\":\"Noted Hybrid Expert Presents Research - 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