Bajau Genes

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20181027 Bajau divers begin their training very young and these divers are known to hold their breath for several minutes at a time. Among them was one site on a gene known as.


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Used DNA samples from the Bajau the Saluans and more distant populations to perform a selection scan to search for genes that have been under positive natural selection in the Bajau.

Bajau genes. A Bajau diver hunts fish underwater using a traditional spear. This may regulate spleen size in human development and early childhood. 20180419 Rare Mutation Among Bajau People Lets Them Stay Underwater Longer.

A variant of a gene called PDE10A which. Gests the Bajau are genetically closer to the Saluan than to most other Asian populations with the possible exceptions be-ing their geographic neighbors eg the Toraja who also live on the island of Sulawesi Figure 2. Which is why they are so casual even when they dive.

PDEA10 which is associated with spleen size. 20180420 They looked for genes with variants that are more common in the Bajau than in the other populationsa sign of natural selection at work. 20180420 Comparing the genomes of the Bajau to two different populations the Saluan and the Han Chinese scientists found 25 sites that differed significantly.

In mice the hormone has been linked to spleen. 20180420 The Bajau are traditionally nomadic and seafaring and survive by collecting shellfish from the sea floor. 20180419 They discovered that members of the Bajau have a gene called PDE10A which the Saluan do not.

20180507 The Bajau have a gene called PDE10A which is absent in the Saluan. This organ among other functions can store oxygen-bearing red blood cells. Scientists studying the effect of this.

We believe that in the. One allele difference in the Bajau increased thyroid hormone levels. The researchers did find a promising gene.

Several of the unique candidate genes are associated with traits possibly important for diving. 20180419 Using a comparative genomic study we show that natural selection on genetic variants in the PDE10A gene have increased spleen size in the Bajau providing them with a larger reservoir of oxygenated red blood cells. Their genes have modified so that they can lead a better life underwater.

20180419 The researchers also stumbled across a gene called PDE10A which is thought to control a certain thyroid hormone in the Bajau but not the Saluan. Its believed that this gene increases levels of a thyroid hormone called T4. Across populations nearest tothe Bajau andSaluanwe observe agradient ofMelanesian to.

In the waters they call home around the Philippines Malaysia and Indonesia they dive to incredible depths for pearls and for. Over time the Bajau people have undergone natural selection resulting in certain versions of genes becoming widespread many of. 20180420 Other genes that varied among the Bajau more than would be expected in the general population were associated with the way the body responds to diving.

We also find evidence of strong selection specific to the Bajau on BDKRB2 a gene affecting the human diving reflex. Remarkably the spleens of the Bajau people were about 50 percent larger compared to the Saluans. One gene known as.

20180421 The Bajau Laut have been sea nomads for centuries. 20180419 Then scanning the Bajau DNA for clues the researchers identified a possible culprit for their larger spleens. It is thought that the PDE10A gene controls the levels of thyroid hormone T4.

Fiki j bhayangkara via Shutterstock We believe that in the Bajau they have an adaptation that increases Thyroid hormone levels and therefore increases their spleen size said Ilardo. 20180419 Now experts say they have the answer. 20180514 Scientists studied the extraordinary capacity of the Bajau and have reached a conclusion.

They can spend minutes without breathing thanks to a genetic mutation that has caused among other things to develop a bigger spleen. They have larger spleens and their body has adapted to their lifestyle. And they found several contenders.

One such gene caused blood to be squeezed out of the limbs and non-essential areas of the body so that the brain heart and lungs could continue to receive oxygen.


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