Karitiana People of Brazil

Karitiana

The Karitiana or Caritiana are an indigenous people of Brazil, whose reservation is located in the western Amazon. They count 320 members, and the leader of their tribal association is Renato Caritiana. They subsist by farming, fishing and hunting, and have almost no contact with the outside world. Their tongue, the Karitiâna language, is an Arikém language of Brazil.

Karitiana
Total population
320 (2005)[1]
Regions with significant populations
 Brazil (Rondônia)[1]
Languages
Karitiana

Studies of population genetics often use the Karitiana as a reference population for Native Americans, using DNA samples made available through the Human Genome Diversity Project and other sources.[2][3] DNA from Karitiana individuals was collected in 1987 by Francis Black and in 2007 it was reported that this sampling was undertaken unbeknownst to FUNAI, the Brazilian agency that regulates contact between the indigenous tribes and the outside world, and that the samples were being distributed for a fee with no benefit to the Karitiana, giving rise to claims of biopiracy.[4] The same newspaper report claimed that further samples were taken in 1996 by Dr. Hilton Pereira da Silva, a doctor on a documentary film crew, on the promise of medicinal supplies that were never fulfilled.[5] A response from Dr. Silva suggests that the news story was faulty and the medicinal samples he took were never used for any commercial purpose.[6]

Origins

A 2015 genetic study reached a surprising conclusion about the origins of the Karitiana people. While the Karitiana people are closely related to other Native Americans, they share closer relations to both East and Southeast Asians compared with other Native Americans which are closest to Siberians and Northeast Asians.[7][8]

A study by Kanazawa-Kiriyama et al. (2017) detected gene flow from Karitiana to Mal'ta MA1 (21%) which is in the reverse direction of what was reported in previous studies such as Raghavan et al. 2014 who used a much larger sequence data. The authors speculate that the inverse flow could be due to a difference in some filtering steps and a smaller SNP data set.[9]

References

  1. ^ a b "Karitiana: Introduction." Povos Indígenas no Brasil. Retrieved 15 Jan 2011.
  2. ^ Zietkiewicz; et al. (1997). "Nuclear DNA diversity in worldwide distributed human populations" (PDF). Gene. Elsevier. 205 (1–2): 161–171. doi:10.1016/s0378-1119(97)00408-3. PMID 9461390. Retrieved 28 January 2014.
  3. ^ "ALFRED Population Information". Yale University.
  4. ^ "Karitiana: Biopiracy and the unauthorized collection of biomedical samples". Povos Indigena no Brasil. Instituto Socioambiental. May 2005. Retrieved 28 January 2014.
  5. ^ Larry Rohter. "In the Amazon, giving blood but getting nothing". International Herald Tribune.
  6. ^ Hilton Pereira da Silva. "Ethical Humanitarian Medical Work, Not Bio-piracy". update to "In the Amazon, Giving Blood but Getting Nothing". Center for Genetics and Society.
  7. ^ Skoglund, P.; Mallick, S.; Bortolini, M.C.; Chennagiri, N.; Hünemeier, T.; Petzl-Erler, M.L.; Salzano, F.M.; Patterson, N.; Reich, D. (21 July 2015). "Genetic evidence for two founding populations of the Americas". Nature. 525 (7567): 104–8. Bibcode:2015Natur.525..104S. doi:10.1038/nature14895. PMC 4982469. PMID 26196601.
  8. ^ Skoglund, P.; Reich, D. (2016). "A genomic view of the peopling of the Americas". Current Opinion in Genetics & Development. 41: 27–35. doi:10.1016/j.gde.2016.06.016. PMC 5161672. PMID 27507099.
  9. ^ Kanzawa-Kiriyama, Hideaki; Kryukov, Kirill; Jinam, Timothy A.; Hosomichi, Kazuyoshi; Saso, Aiko; Suwa, Gen; Ueda, Shintaroh; Yoneda, Minoru; Tajima, Atsushi; Shinoda, Ken-ichi; Inoue, Ituro (February 2017). "A partial nuclear genome of the Jomons who lived 3000 years ago in Fukushima, Japan". Journal of Human Genetics. 62 (2): 213–221. doi:10.1038/jhg.2016.110. ISSN 1435-232X.

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