Bajau Divers Evolved Bigger Spleens

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MONDAY MAY 14 2018. They discovered that members of the Bajau have a gene called PDE10A which the Saluan do not.


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The Bajau who live in wooden houseboats.

Bajau divers evolved bigger spleens. The Bajau are traditionally nomadic and seafaring and survive by collecting shellfish from the sea floor. Scientists studying the effect of this lifestyle on their biology found their spleens were larger than those of related people from the region. There are plenty of examples of experience changing the body from calloused feet to bulging biceps.

Apr 19 2018 Comparing the two samples back in Copenhagen her team found that the median size of a Bajau persons spleen was 50 percent bigger than the same organ in a Saluan individual. Previous studies have shown that free. Diving itself might somehow enlarge the spleen.

Apr 24 2018 Ilardo discovered Bajau spleens were 50 larger than their land-loving counterparts. Apr 20 2018 The version of PDE10A thats common in the Bajau is associated with higher levels of thyroid hormones and those hormones in turn make spleens grow biggerat least in rodents. The genetic change discovered in the Bajau tribe is the first known example.

Yet even such a remarkable difference might not be the result of evolution. Apr 19 2018 A study suggests these sea-dwelling people have evolved adaptations to deep diving. Apr 19 2018 Researchers have found that Indonesias Bajau people who for generations have spent the majority of their days diving and hunting underwater also have gene.

The Bajau had spleens about 50 percent bigger on average. Researchers recently compared the Bajaus spleen size to that of their neighbors and found the Bajaus are considerably larger and that this increased size may extend. The bigger spleen.

Apr 19 2018 The Bajaus spleens were 50 larger than those of their land-based neighbors on average she and her colleagues report today in Cell. The study published today April 19 in Cell is an uncommon example of. Bajau diver with a spear MELISSA ILARDO UNIVERSITY OF COPENHAGEN R esearchers have identified a genetic variant that likely results in larger spleens among the Bajau people in Southeast Asia conferring better endurance for free diving in the ocean.

It is thought that the PDE10A gene controls the levels of thyroid hormone T4. Nov 25 2018 The Bajau of Southeast Asia have spleens 50 percent larger than normal. Apr 19 2018 Anna Azvolinsky.

Apr 19 2018 The spleen holds oxygenated red blood cells so presumably an enlarged spleen those of the sea nomads or Bajau people are about 50 percent larger than the spleens of unrelated non-diving neighboring groups injects more blood cells into the circulation and makes more oxygen available for basic body functions during prolonged dives. Even Bajau individuals who avoided diving altogether still presented increased spleen sizesuggesting this trait. Bajau divers of the Central Sulawesi peninsula in Indonesia are able to hold their breath and dive to amazing depths of over 200 feet using only rock weights and hand-made wooden goggles.

Apr 19 2018 New evidence shows that the Bajau tribes from Indonesia who are known to dive deep into the waters for up to 70 metres have evolved to develop larger spleens. This allows them to spend eight hours a day underwater catching octopus by hand. Apr 20 2018 In a striking example of natural selection the Bajau people of South-East Asia have developed bigger spleens for diving a study shows.

Ilardo then compared DNAsequenced from saliva swabsfrom the. Jul 26 2018 The Bajau had spleens about 50 percent bigger on average than those of the Saluan. Seals with bigger spleens can dive deepest.

Only some Bajau are full-time divers. May 04 2018 The Bajau a group of sea-dwelling people in Southeast Asia have evolved into better divers. The study authors therefore eliminated the possibility that larger spleens were simply a plastic response to diving and began to investigate the Bajaus genetic data.

The Bajau had spleens about 50 percent bigger. Apr 21 2018 A tribe of Indonesian fish people have evolved extra-large spleens that enable them to free dive to incredible depths.


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