Indigenous groups in the Amazon evolved resistance to deadly Chagas

Singapore News News

Indigenous groups in the Amazon evolved resistance to deadly Chagas
Singapore Latest News,Singapore Headlines
  • 📰 NewsfromScience
  • ⏱ Reading Time:
  • 44 sec. here
  • 2 min. at publisher
  • 📊 Quality Score:
  • News: 21%
  • Publisher: 51%

“It’s the first evidence of natural selection because of a pathogen in the Americas.”

that the COVID-19 pandemic brought, Hünemeier wondered whether past pandemics had left a mark in the genomes of Indigenous peoples who live in the Amazon rainforest. It’s a phenomenon with historical precedent: Last year, researchers found some survivors of the bubonic plague during the Middle Agesbecause they possessed a gene variant that made them more resistant to catching the plague-causing bacterium.

To see whether any diseases had left a similar genetic mark in Amazonian communities, Hünemeier and colleagues turned to genomes housed within the Human Genome Diversity Project, a database of more than 1000 individuals from 52 different ethnic groupsThe team compared the genomes of 118 individuals belonging to 19 different Native communities in the Amazon—including the Xikrin-Kayapo and Parakanã peoples—with the genomes of 35 individuals from closely related Native cultures in Mexico...

After statistically accounting for more recent causes of population bottlenecks—including the genocide of Indigenous people during Portuguese colonization—the scientists found that in Indigenous groups from the Amazon, natural selection was responsible for a handful of genes related to cardiovascular functions and metabolism. But three genes stood out:

We have summarized this news so that you can read it quickly. If you are interested in the news, you can read the full text here. Read more:

NewsfromScience /  🏆 515. in US

Singapore Latest News, Singapore Headlines

Similar News:You can also read news stories similar to this one that we have collected from other news sources.

Put Indigenous women on Canada's currency, group urgesPut Indigenous women on Canada's currency, group urgesIndigenous artists have created designs featuring various Indigenous leaders and influencers as they might appear on the $20 bill.
Read more »

Sisters find purpose in raising awareness about missing and murdered Indigenous womenSisters find purpose in raising awareness about missing and murdered Indigenous womenAccording to the Centers for Disease Control, murder is the third leading cause of death for Indigenous women.
Read more »

Province announces $88K towards FSIN Special Investigations Unit operating grant in 2022-23Province announces $88K towards FSIN Special Investigations Unit operating grant in 2022-23The SIU investigates Indigenous people\u0027s complaints involving police.
Read more »

Meet the Indigenous Women Who Are Working to Protect Australia’s Great Barrier ReefMeet the Indigenous Women Who Are Working to Protect Australia’s Great Barrier ReefFor International Women’s Day, we spoke to the founder of the Indigenous Women Rangers Network about the work the group is doing to help restore one of the world’s greatest natural wond…
Read more »

The Indigenous Women Preserving an Ancient Art Off the Coast of AustraliaThe experience of watching serrated-edged pandanus leaves transform into colorful fiber—now being spun into baskets, bags, jewelry and mats by the same hands—is nothing less than pure magic.
Read more »

Jeff Bezos’s $500 Million Megayacht Was Spotted Undergoing Test Trials in the North SeaJeff Bezos’s $500 Million Megayacht Was Spotted Undergoing Test Trials in the North SeaJeff Bezos isn't just the king of e-commerce; he's also the captain of luxury. His $500 million megayacht, Y721 Koru, is now undergoing sea trials in the North Sea, and it's a sight to behold.
Read more »



Render Time: 2025-03-09 18:31:08