{"id":3363,"date":"2019-09-10T13:41:57","date_gmt":"2019-09-10T17:41:57","guid":{"rendered":"https:\/\/legacy.nimbios.org\/wordpress\/?p=3363"},"modified":"2019-09-10T15:24:05","modified_gmt":"2019-09-10T19:24:05","slug":"saving-amphibians-one-tadpole-at-a-time","status":"publish","type":"post","link":"https:\/\/legacy.nimbios.org\/wordpress\/2019\/09\/10\/saving-amphibians-one-tadpole-at-a-time\/","title":{"rendered":"Saving Amphibians, One Tadpole at a Time"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"918\" height=\"534\" src=\"https:\/\/legacy.nimbios.org\/wordpress\/wp-content\/uploads\/2019\/09\/tadpole.jpg\" alt=\"\" class=\"wp-image-3364\"\/><\/figure>\n\n\n\n<p>A collaboration with former NIMBioS postdocs&nbsp;<a rel=\"noreferrer noopener\" href=\"https:\/\/legacy.nimbios.org\/personnel\/pd_Peace\" target=\"_blank\">Angela Peace<\/a>&nbsp;and&nbsp;<a rel=\"noreferrer noopener\" href=\"https:\/\/legacy.nimbios.org\/personnel\/pd_ORegan\" target=\"_blank\">Suzanne O&#8217;Regan<\/a>, along with UT&#8217;s&nbsp;<a rel=\"noreferrer noopener\" href=\"http:\/\/fwf.ag.utk.edu\/mgray\/\" target=\"_blank\">Matt Gray<\/a>, has culminated in a new study in&nbsp;<em>Ecological Modeling<\/em>&nbsp;that investigates the dynamics of a highly virulent ranavirus and helps to illustrate its threat to biodiversity in North America.<\/p>\n\n\n\n<p>Globally emerging pathogens that affect amphibians, reptiles and fish, ranaviruses have caused catastrophic die-offs of thousands of larval wood frogs. In some cases, population projection models suggest that ranaviruses can cause outright amphibian extinction.<\/p>\n\n\n\n<p>Using a highly virulent chimeric ranavirus recently discovered at a bullfrog farm in southern Georgia, the researchers combined experiments and disease modeling to examine the potential consequences of the ranavirus on wood frog tadpoles. <\/p>\n\n\n\n<p>The disease models included multiple transmission pathways\u2014direct contact, environmental transmission via pathogens in the water, and transmission via feeding on dead individuals. A novel modeling approach, the study also incorporated multiple host infection stages and analyzed effects as the disease progressed, which appeared to strengthen the models&#8217; predictions.<\/p>\n\n\n\n<p>The model simulations predicted 100% mortality of a wood frog tadpole population in two weeks.<\/p>\n\n\n\n<p>The authors recommend that surveillance for the pathogen occur at a minimum in the river watershed, and that disease management strategies should be prioritize spatial containment of the pathogen.<\/p>\n\n\n\n<p>All transmission pathways in the study had high invasion potential and so targeting only one transmission pathway is unlikely to be effective, the authors wrote. <\/p>\n\n\n\n<p><strong><a rel=\"noreferrer noopener\" aria-label=\"Citation: (opens in a new tab)\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0304380019302856#ack0005\" target=\"_blank\">Citation:<\/a><\/strong>&nbsp;Peace A et al. 2019. A highly invasive chimeric ranavirus can decimate tadpole populations rapidly through multiple transmission pathways.&nbsp;<em>Ecological Modelling<\/em>&nbsp;410: 108777.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A collaboration with former NIMBioS postdocs&nbsp;Angela Peace&nbsp;and&nbsp;Suzanne O&#8217;Regan, along with UT&#8217;s&nbsp;Matt Gray, has culminated in a new study in&nbsp;Ecological Modeling&nbsp;that investigates the dynamics of a highly virulent ranavirus and helps to illustrate its threat to biodiversity in North America. Globally &hellip; <a href=\"https:\/\/legacy.nimbios.org\/wordpress\/2019\/09\/10\/saving-amphibians-one-tadpole-at-a-time\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26,33,54,30,6],"tags":[],"_links":{"self":[{"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/posts\/3363"}],"collection":[{"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/comments?post=3363"}],"version-history":[{"count":10,"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/posts\/3363\/revisions"}],"predecessor-version":[{"id":3374,"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/posts\/3363\/revisions\/3374"}],"wp:attachment":[{"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/media?parent=3363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/categories?post=3363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/legacy.nimbios.org\/wordpress\/wp-json\/wp\/v2\/tags?post=3363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}