Eco‐physiological repercussions of dietary arachidonic acid in cell membranes of active tissues of the Gray whale
Abstract The radiation of the mammalian land species that became the baleen whales happened about 27–34 Mya. Mammals require omega 6 fatty acids for reproduction. With this long exposure to the omega 3‐rich marine food chain, the Gray whale ( Eschrichtius robustus ) might be expected to have lost it...
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crwiley:10.1111/j.1439-0485.2009.00289.x 2024-09-15T17:57:28+00:00 Eco‐physiological repercussions of dietary arachidonic acid in cell membranes of active tissues of the Gray whale Caraveo‐Patiño, Javier Wang, Yiqun Soto, Luis A. Ghebremeskel, Kebreab Lehane, Catherine Crawford, Michael A. 2009 http://dx.doi.org/10.1111/j.1439-0485.2009.00289.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1439-0485.2009.00289.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1439-0485.2009.00289.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Marine Ecology volume 30, issue 4, page 437-447 ISSN 0173-9565 1439-0485 journal-article 2009 crwiley https://doi.org/10.1111/j.1439-0485.2009.00289.x 2024-07-18T04:22:01Z Abstract The radiation of the mammalian land species that became the baleen whales happened about 27–34 Mya. Mammals require omega 6 fatty acids for reproduction. With this long exposure to the omega 3‐rich marine food chain, the Gray whale ( Eschrichtius robustus ) might be expected to have lost its requirement for omega 6 fatty acids. We report an unexpectedly high content of omega 6 arachidonic acid (ArA) in the Gray whale liver and muscle lipids. This whale migrates 10,000 km from the cold polar, omega 3 oil‐rich food chain to that of the breeding lagoons of the tropical waters. The food web of tropical waters is a source of omega 6 fatty acids, which are hardly present in the cold polar food web. We suggest the reason for this longest of migrations from cold to warm waters is to meet the requirement for omega 6 fatty acids for mammalian reproduction and brain growth. This extreme conservation of omega 6 fatty acids in Gray whale biology has critical implications for mammalian biology and especially for whale conservation. Article in Journal/Newspaper baleen whales Wiley Online Library Marine Ecology 30 4 437 447 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract The radiation of the mammalian land species that became the baleen whales happened about 27–34 Mya. Mammals require omega 6 fatty acids for reproduction. With this long exposure to the omega 3‐rich marine food chain, the Gray whale ( Eschrichtius robustus ) might be expected to have lost its requirement for omega 6 fatty acids. We report an unexpectedly high content of omega 6 arachidonic acid (ArA) in the Gray whale liver and muscle lipids. This whale migrates 10,000 km from the cold polar, omega 3 oil‐rich food chain to that of the breeding lagoons of the tropical waters. The food web of tropical waters is a source of omega 6 fatty acids, which are hardly present in the cold polar food web. We suggest the reason for this longest of migrations from cold to warm waters is to meet the requirement for omega 6 fatty acids for mammalian reproduction and brain growth. This extreme conservation of omega 6 fatty acids in Gray whale biology has critical implications for mammalian biology and especially for whale conservation. |
format |
Article in Journal/Newspaper |
author |
Caraveo‐Patiño, Javier Wang, Yiqun Soto, Luis A. Ghebremeskel, Kebreab Lehane, Catherine Crawford, Michael A. |
spellingShingle |
Caraveo‐Patiño, Javier Wang, Yiqun Soto, Luis A. Ghebremeskel, Kebreab Lehane, Catherine Crawford, Michael A. Eco‐physiological repercussions of dietary arachidonic acid in cell membranes of active tissues of the Gray whale |
author_facet |
Caraveo‐Patiño, Javier Wang, Yiqun Soto, Luis A. Ghebremeskel, Kebreab Lehane, Catherine Crawford, Michael A. |
author_sort |
Caraveo‐Patiño, Javier |
title |
Eco‐physiological repercussions of dietary arachidonic acid in cell membranes of active tissues of the Gray whale |
title_short |
Eco‐physiological repercussions of dietary arachidonic acid in cell membranes of active tissues of the Gray whale |
title_full |
Eco‐physiological repercussions of dietary arachidonic acid in cell membranes of active tissues of the Gray whale |
title_fullStr |
Eco‐physiological repercussions of dietary arachidonic acid in cell membranes of active tissues of the Gray whale |
title_full_unstemmed |
Eco‐physiological repercussions of dietary arachidonic acid in cell membranes of active tissues of the Gray whale |
title_sort |
eco‐physiological repercussions of dietary arachidonic acid in cell membranes of active tissues of the gray whale |
publisher |
Wiley |
publishDate |
2009 |
url |
http://dx.doi.org/10.1111/j.1439-0485.2009.00289.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1439-0485.2009.00289.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1439-0485.2009.00289.x |
genre |
baleen whales |
genre_facet |
baleen whales |
op_source |
Marine Ecology volume 30, issue 4, page 437-447 ISSN 0173-9565 1439-0485 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1439-0485.2009.00289.x |
container_title |
Marine Ecology |
container_volume |
30 |
container_issue |
4 |
container_start_page |
437 |
op_container_end_page |
447 |
_version_ |
1810433620086620160 |