{"id":376436,"date":"2026-09-22T11:27:50","date_gmt":"2026-09-22T11:27:50","guid":{"rendered":"https:\/\/wolfscientific.com\/?p=376436"},"modified":"2026-09-22T11:27:50","modified_gmt":"2026-09-22T11:27:50","slug":"bajau-divers-in-indonesia-engage-in-60-of-their-work-below-the-surface-and-possess-spleens-that-are-50-larger-due-to-a-genetic-variant-in-contrast-to-their-farming-neighbors","status":"publish","type":"post","link":"https:\/\/wolfscientific.com\/?p=376436","title":{"rendered":"&#8220;Bajau Divers in Indonesia Engage in 60% of Their Work Below the Surface and Possess Spleens That Are 50% Larger Due to a Genetic Variant in Contrast to Their Farming Neighbors&#8221;"},"content":{"rendered":"<p>**Investigating the Mystery of Bajau Divers and Their Distinct Physiology**<\/p>\n<p>In 2015, doctoral candidate Melissa Ilardo journeyed to the village of Jaya Bakti in Sulawesi carrying a portable ultrasound device. Her goal: to decipher the physiological adaptations of the Bajau, maritime nomads famous for their remarkable diving skills. By contrasting the spleens of 59 Bajau individuals with those of 34 Saluan villagers, she revealed a captivating genetic narrative deeply embedded in their way of life.<\/p>\n<p>The spleen is essential in breath-hold diving, serving as a storage site for oxygen-rich red blood cells during the mammalian dive reflex. It was discovered that the Bajau&#8217;s spleens were 50% larger than those of their terrestrial counterparts, the Saluan. Notably, this enlargement was observed in both diving and non-diving Bajau, indicating a genetic trait rather than one acquired through training.<\/p>\n<p>Ilardo&#8217;s genomic analysis uncovered a shared variant in the PDE10A gene among the Bajau, a gene typically linked to thyroid hormone production. This hormone has been associated with spleen size, suggesting a possible pathway for the noted adaptation. The research also highlighted broader genetic adjustments involved in the vasoconstriction response, crucial during extended diving episodes.<\/p>\n<p>The significance of this study reaches beyond diving. The Bajau offer a distinctive framework for examining hypoxia tolerance, with possible applications in medical situations involving oxygen shortage, such as strokes or heart attacks. Nevertheless, challenges arise as contemporary changes jeopardize the Bajau lifestyle, prompting an urgent inquiry into these remarkable adaptations before they disappear from history.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>**Investigating the Mystery of Bajau Divers and Their Distinct Physiology** In 2015, doctoral candidate Melissa Ilardo journeyed to the village of Jaya Bakti in Sulawesi carrying a portable ultrasound device. Her goal: to decipher the physiological adaptations of the Bajau, maritime nomads famous for their remarkable diving skills. By contrasting the spleens of 59 Bajau [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":376437,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"Default","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[179],"class_list":["post-376436","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-source-scienceblog-com"],"_links":{"self":[{"href":"https:\/\/wolfscientific.com\/index.php?rest_route=\/wp\/v2\/posts\/376436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wolfscientific.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wolfscientific.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wolfscientific.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wolfscientific.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=376436"}],"version-history":[{"count":0,"href":"https:\/\/wolfscientific.com\/index.php?rest_route=\/wp\/v2\/posts\/376436\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wolfscientific.com\/index.php?rest_route=\/wp\/v2\/media\/376437"}],"wp:attachment":[{"href":"https:\/\/wolfscientific.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=376436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wolfscientific.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=376436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wolfscientific.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=376436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}