Plasma Vitellogenin in Free-Ranging Loggerhead Sea Turtles (Caretta caretta) of the Northwest Atlantic Ocean
Vitellogenin is the egg yolk precursor protein produced by oviparous vertebrates. As endogenous estrogen increases during early reproductive activity, hepatic production of vitellogenin is induced and is assumed to be complete in female sea turtles before the first nesting event. Until the present s...
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ftdoajarticles:oai:doaj.org/article:2108feefcba04d87a010e8a62d1a8b8b 2024-09-09T19:44:15+00:00 Plasma Vitellogenin in Free-Ranging Loggerhead Sea Turtles (Caretta caretta) of the Northwest Atlantic Ocean Kimberly Smelker Lauren Smith Michael Arendt Jeffrey Schwenter David Rostal Kyle Selcer Roldán Valverde 2014-01-01T00:00:00Z https://doi.org/10.1155/2014/748267 https://doaj.org/article/2108feefcba04d87a010e8a62d1a8b8b EN eng Wiley http://dx.doi.org/10.1155/2014/748267 https://doaj.org/toc/1687-9481 https://doaj.org/toc/1687-949X 1687-9481 1687-949X doi:10.1155/2014/748267 https://doaj.org/article/2108feefcba04d87a010e8a62d1a8b8b Journal of Marine Biology, Vol 2014 (2014) Oceanography GC1-1581 Biology (General) QH301-705.5 article 2014 ftdoajarticles https://doi.org/10.1155/2014/748267 2024-08-05T17:48:38Z Vitellogenin is the egg yolk precursor protein produced by oviparous vertebrates. As endogenous estrogen increases during early reproductive activity, hepatic production of vitellogenin is induced and is assumed to be complete in female sea turtles before the first nesting event. Until the present study, innate production of vitellogenin has not been described in free-ranging sea turtles. Our study describes circulating concentrations of vitellogenin in loggerhead sea turtles (Caretta caretta) from the Northwest Atlantic Ocean. We collected blood samples from juveniles and adults via in-water captures off the coast of the Southeast USA from May to August, and from nesting females in June and July at Hutchinson Island, Florida. All samples were analyzed using an in-house ELISA developed specifically to measure Caretta caretta vitellogenin concentration. As expected, plasma vitellogenin declined in nesting turtles as the nesting season progressed, although it still remained relatively elevated at the end of the season. In addition, mean vitellogenin concentration in nesting turtles was 1,000 times greater than that measured in samples from in-water captures. Our results suggest that vitellogenesis may continue throughout the nesting season, albeit at a decreasing rate. Further, vitellogenin detected in turtles captured in-water may have resulted from exposure to endocrine disrupting chemicals. Article in Journal/Newspaper Hutchinson Island Northwest Atlantic Directory of Open Access Journals: DOAJ Articles Journal of Marine Biology 2014 1 10 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Oceanography GC1-1581 Biology (General) QH301-705.5 |
spellingShingle |
Oceanography GC1-1581 Biology (General) QH301-705.5 Kimberly Smelker Lauren Smith Michael Arendt Jeffrey Schwenter David Rostal Kyle Selcer Roldán Valverde Plasma Vitellogenin in Free-Ranging Loggerhead Sea Turtles (Caretta caretta) of the Northwest Atlantic Ocean |
topic_facet |
Oceanography GC1-1581 Biology (General) QH301-705.5 |
description |
Vitellogenin is the egg yolk precursor protein produced by oviparous vertebrates. As endogenous estrogen increases during early reproductive activity, hepatic production of vitellogenin is induced and is assumed to be complete in female sea turtles before the first nesting event. Until the present study, innate production of vitellogenin has not been described in free-ranging sea turtles. Our study describes circulating concentrations of vitellogenin in loggerhead sea turtles (Caretta caretta) from the Northwest Atlantic Ocean. We collected blood samples from juveniles and adults via in-water captures off the coast of the Southeast USA from May to August, and from nesting females in June and July at Hutchinson Island, Florida. All samples were analyzed using an in-house ELISA developed specifically to measure Caretta caretta vitellogenin concentration. As expected, plasma vitellogenin declined in nesting turtles as the nesting season progressed, although it still remained relatively elevated at the end of the season. In addition, mean vitellogenin concentration in nesting turtles was 1,000 times greater than that measured in samples from in-water captures. Our results suggest that vitellogenesis may continue throughout the nesting season, albeit at a decreasing rate. Further, vitellogenin detected in turtles captured in-water may have resulted from exposure to endocrine disrupting chemicals. |
format |
Article in Journal/Newspaper |
author |
Kimberly Smelker Lauren Smith Michael Arendt Jeffrey Schwenter David Rostal Kyle Selcer Roldán Valverde |
author_facet |
Kimberly Smelker Lauren Smith Michael Arendt Jeffrey Schwenter David Rostal Kyle Selcer Roldán Valverde |
author_sort |
Kimberly Smelker |
title |
Plasma Vitellogenin in Free-Ranging Loggerhead Sea Turtles (Caretta caretta) of the Northwest Atlantic Ocean |
title_short |
Plasma Vitellogenin in Free-Ranging Loggerhead Sea Turtles (Caretta caretta) of the Northwest Atlantic Ocean |
title_full |
Plasma Vitellogenin in Free-Ranging Loggerhead Sea Turtles (Caretta caretta) of the Northwest Atlantic Ocean |
title_fullStr |
Plasma Vitellogenin in Free-Ranging Loggerhead Sea Turtles (Caretta caretta) of the Northwest Atlantic Ocean |
title_full_unstemmed |
Plasma Vitellogenin in Free-Ranging Loggerhead Sea Turtles (Caretta caretta) of the Northwest Atlantic Ocean |
title_sort |
plasma vitellogenin in free-ranging loggerhead sea turtles (caretta caretta) of the northwest atlantic ocean |
publisher |
Wiley |
publishDate |
2014 |
url |
https://doi.org/10.1155/2014/748267 https://doaj.org/article/2108feefcba04d87a010e8a62d1a8b8b |
genre |
Hutchinson Island Northwest Atlantic |
genre_facet |
Hutchinson Island Northwest Atlantic |
op_source |
Journal of Marine Biology, Vol 2014 (2014) |
op_relation |
http://dx.doi.org/10.1155/2014/748267 https://doaj.org/toc/1687-9481 https://doaj.org/toc/1687-949X 1687-9481 1687-949X doi:10.1155/2014/748267 https://doaj.org/article/2108feefcba04d87a010e8a62d1a8b8b |
op_doi |
https://doi.org/10.1155/2014/748267 |
container_title |
Journal of Marine Biology |
container_volume |
2014 |
container_start_page |
1 |
op_container_end_page |
10 |
_version_ |
1809913990997868544 |