{"id":2560,"date":"2019-08-02T14:12:45","date_gmt":"2019-08-02T14:12:45","guid":{"rendered":"https:\/\/live-lovette-lab.pantheonsite.io\/?p=2560"},"modified":"2019-08-02T14:15:15","modified_gmt":"2019-08-02T14:15:15","slug":"jen-walsh-on-the-many-ways-birds-can-adapt-to-live-in-salt-marshes","status":"publish","type":"post","link":"https:\/\/lovette.eeb.cornell.edu\/?p=2560","title":{"rendered":"Jen Walsh on the many ways birds can adapt to live in salt marshes"},"content":{"rendered":"

\"\"A new paper in Evolution Letters<\/a> by lab postdoc Jennifer Walsh studies multiple independent cases of adaptation to salt marsh environments, evaluating weather adaptations are species-specific or convergent. The study focuses on four species of North American sparrows that represent four independent, post\u2010Pleistocene colonization events by an ancestral, upland subspecies and a derived salt marsh specialist. The authors leverage whole genome sequencing to identify both parallel and novel targets of putative selection that may underlie solutions to osmotic stress.<\/p>\n

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More on the paper:<\/p>\n

Organisms that inhabit salt marshes are faced with extreme challenges and must cope with harsh, open environments as well as daily influxes of salt water into the system. Our whole\u2010genome comparisons among four species of sparrows demonstrate the important interplay between species\u2010specific and parallel signatures of selection in driving adaptation across an ecological gradient. Several lineage\u2010specific adaptations to salt marshes, particularly related to salt tolerance, suggest that selection of independent pathways may be important for allowing increased osmoregulatory function in salt marsh environments. Our results highlight the utility of a comparative genomics approach in characterizing the genomic basis of local adaptation and may aid in informing conservation strategies for threatened salt marsh endemics through the characterization of evolutionary potential.<\/p>\n

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In the press<\/p>\n

https:\/\/phys.org\/news\/2019-07-salt-saltmarsh-sparrows-evolved-unique.html<\/p>\n

https:\/\/www.newswise.com\/articles\/salt-regulation-among-saltmarsh-sparrows-evolved-in-four-unique-ways\/sc-rsla<\/p>\n

https:\/\/www.eurekalert.org\/pub_releases\/2019-07\/cu-sra071619.php<\/p>\n","protected":false},"excerpt":{"rendered":"

A new paper in Evolution Letters by lab postdoc Jennifer Walsh studies multiple independent cases of adaptation to salt marsh environments, evaluating weather adaptations are species-specific or convergent. The study focuses on four species of North American sparrows that represent four independent, post\u2010Pleistocene colonization events by an ancestral, upland subspecies and\u2026<\/p>\n

Continue reading<\/i><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-2560","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJen Walsh on the many ways birds can adapt to live in salt marshes - Lovette Lab<\/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:\/\/lovette.eeb.cornell.edu\/?p=2560\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jen Walsh on the many ways birds can adapt to live in salt marshes - Lovette Lab\" \/>\n<meta property=\"og:description\" content=\"A new paper in Evolution Letters by lab postdoc Jennifer Walsh studies multiple independent cases of adaptation to salt marsh environments, evaluating weather adaptations are species-specific or convergent. 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